HP (Hewlett-Packard)メーカーD8C45UTABAの使用説明書/サービス説明書
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Maintenance & Service Guide HP Pro 3400 Microtower Business PC HP Pro 3405 Microtower Business PC HP Pro 3410 Microtower Business PC HP Pro 3410 Small Form Factor Business PC HP Pro 3500 Microtowe.
© Copyright 2011, 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. Microsoft and Windows are trademarks of Microsoft Corporation in the U.
About This Book WARNING! Text set off in this manner indi cates that failure to follow di rections could result in bodily harm or l oss of life . CAUTION: Text set off in this manner indicates that failure to follo w directions could result in damage to eq uipment or loss of informa tion.
iv About This Book.
Table of contents 1 Produc t Feature s ............ ............ .............. ........... ............... ............ ............... ........... ..... ............ ........... .......... 1 Feature Overview ................ ......... ........ .....
Drives ......... ............ ........... .............. ............ ............ ............ .............. ........... ............ . ......... 27 Misc B oards .. .......... ............ .......... ........... ............ ......... .......... ...
7 Remova l and Repl acement P rocedures – Microtow er Chassis ............................................................... 49 Serviceability Features ............. ........ .......... ........ ......... .......... ......... ........ .......... ..
Removing the Hard Drive ..... ......... ......... .......... ......... .......... ........... .......... ....... 105 Power Switch ....... ............... ........... .............. ............ ............... ........... .............. ........... ..
Solving USB Flash Drive Problems .... .......... ............ ......... .......... ......... ............ ......... ......... .......... .... 179 Solving Front Panel Compo nent Proble ms .............. .................. ................. ............
x.
1 Product Features Feature Overview The HP Pro 3400/35 00 series in clud es the following features: ● Choice of Intel® (HP Pro 350 0/3400/3410) or AMD processor (HP Pro 351 5/3505/3405) ● Choice .
Microtower Components 1 (1) external 5.25” drive bay for optional optical drive 6 (3) PCIe x1 slots, (1) PCIe x16 slot, (1) miniPCI slot* 1 Model 3410: (1) PCIe x1 slot, (1) PCIe x16 slot, (2) PCI 2.2 slots 2 Power Supply 7 USB Scroll Mouse 3 Rear I/O includes: (4) USB 2.
Small Form Factor Components 1 External 5.25” drive bay for optical drive 6 Power Supply 2 Internal 3.5” hard drive bay 7 USB Scroll Mouse 3 Rear I/O includes: (3) PCIe x1 slots, (1) PCIe x16 slot, (1) miniPCI slot, (4) USB 2.0 ports, RJ-45 network interface, DVI and VGA video in terfaces, microphone jack, audio in/out jacks (5.
2 Activating and Customizing the Software NOTE: This chapter pr ovides informatio n for both Windows 7 an d Windows 8. Activating and customizing the software in Windows 7 If your computer w as not shipped with a Wind ows® operating system, so me por tions of this documentation do not ap ply.
Downloading Windows 7 updates Microsoft may release updates to the operating system . To help keep the comp uter running optimally, HP recommends checking for the late st updates du ring the initial insta llation and periodical ly throughout the life of the comp uter.
CAUTION: After the activation process ha s begun, DO NOT TURN OFF THE CO MPUTER UNTIL THE PROCESS IS COMPLETE. Turning off the comp uter during the activa tion process may damage the software tha t runs the computer o r prevent its prop er installation.
3 Computer Setup (F10) Utility Computer Setup (F10) Utilities Use Computer Setup (F10) Utility to do the following: ● Change factory default settings. ● Set the system date and time. ● Set, view, change, or verify the system configurat ion, including settings for processor, graphics, memory, audio, stora ge, communications, and input devices.
● Solve system configura tion errors detect ed but not automa tically fixed during th e Power-On Self- Test (POST). ● Replicate the system setup by saving system configuration information on a USB device and restoring it on one or more computers. ● Execute self-tests on a sp ecified ATA hard drive (when su pported by drive).
Computer Setup—File NOTE: Support for specific Computer Setup op ti ons may vary depend ing on the hardware configuration. Table 3-2 Computer Setup— File Option Description System Information List.
Computer Setup—Storage NOTE: Support for specific Computer Setup op ti ons may vary depend ing on the hardware configuration. Table 3-3 Computer Setup—Storage Option Description Device Configuration Lists all installed BIOS-controlled storage devices.
Table 3-3 Compu ter Setup—Storage (continued) Storage Options eSATA Port Allows you to set a SATA port as an eSATA port fo r use with an external drive. Default is enabled. This setting affects only the port with the black con nector, labeled as eSATA on the system board.
Table 3-3 Compu ter Setup—Storage (continued) DPS Self-Test Allows you to execute self-tests on ATA hard dr ives capable of performing the Drive Protection System (DPS) self-tests. NOTE: This selection will only appear when at leas t one drive capable of pe rforming the DPS self-tests is attached to the system.
Computer Setup—Security NOTE: Support for specific Computer Setup op ti ons may vary depend ing on the hardware configuration. Table 3-4 Com puter Setup—Securi ty Option Description Setup Password Allows you to set and enable a setup (a dministrator) password.
Table 3-4 Com puter Setup—Securi ty (continued) Slot Security Allows you to disable any PCI or PCI Express slot. D efault is enabled. Network B oot Enables/disables the computer’s ability to boo t from an operating system installed on a netwo rk server.
Table 3-4 Com puter Setup—Securi ty (continued) System Security (these options are hardware dependent) Data Execution Prevention (enable/ disable) - Helps prevent oper ating system security breaches. Default is enabled. SVM CPU Virtualization (enable/disable).
Table 3-4 Com puter Setup—Securi ty (continued) DriveLock Sec urity Allows you to assign or modify a master or us er password for hard drives. When this feature is enabled, the user is prompted to provide one of the DriveLock passwords du ring POST.
Computer Setup—Power NOTE: Support for specific Computer Setup op ti ons may vary depend ing on the hardware configuration. Table 3-5 Computer Setup—Power Option Description OS Power Management ● Idle Power Savings—Extended/Normal. Allows certain operating systems to decrease the processors power consumption when the processor is idle.
Computer Setup—Advanced NOTE: Support for specific Computer Setup op ti ons may vary depend ing on the hardware configuration. Table 3-6 Com puter Setup—Adva nced (for advanced use rs) Option Heading Power-On Options Allows you to set: ● POST mode (QuickBoot, Clear Memory, FullBoot, or FullBoot Ev ery x Days).
Table 3-6 Com puter Setup—Adva nced (for advanced users) (co ntinued) BIOS Power-On Allows you to set the computer to turn on automatically at a time you specify. Onboard Devices Allows you to set resources for or disable Legacy de vices. Select the Legacy device's IRQ, DMA, and I/O Range.
Table 3-6 Com puter Setup—Adva nced (for advanced users) (co ntinued) VGA Configuration Displayed only if there is an add-in video card in the system. Allows you to specify which VGA controller will be the “boot” or prima ry VGA controller. AMT Config uration Allows you to set: ● AMT (enable/disable).
4 Illustrated parts catalog This chapter provides spare part information for all cha ssis. Microtower Chassis Spare Parts Computer Major Components Microtower Chassis Spare Part s 21.
Item Description Spare part number (1) Access p anel 674373-001 (2) Front bez el For use in only the EMEA region 667849-001 With optical drive d oor for use in Brazil 667849-201 For use in the North A.
Item Description Spare part number Intel Core i7 processors (for use in model 3500/3400/3410) ● 3770, 3.4 GHz, 8-MB L3 cache (use only in 3500 models) 688164-001 ● 2600, 3.4 GHz, 8-MB L3 cache (use only in 3400/3500 m odels) 638419-001 ● 2600S, 2.
Item Description Spare part number ● A10-5800K, 3.8 GHz, 4-MB L2 cache; Radeon HD7660D graphics cor e (use only in 3515 models) 701408-001 ● A10-5700, 3.4 GHz, 4-MB L2 cache; Radeon HD7660D gr aphics core (use only in 3515 models) 701407-001 ● A8-5600K, 3.
Cables Item Description Spare part number (1) Power switch/LED assembly 667850-001 (2) SATA cable , 254 mm 667854-001 Adapter, DVI to VGA, HF (not illustrated) 657401-001 Antenna, for use with 2x2 WLA.
Misc Parts Item Description Spare part number (1) Fan sink (includes replacement ther mal material) For use in models with Intel processors 667727-001 For use in models with AMD processors 657402-001 .
Drives Description Spare part number Hard drive 2 TB hard drive, 7200 rpm for use in all 3500/3505/3515 models 616608-001 2-TB, 5400-rpm 613210-001 1.5-TB, 7200-rpm 613209-001 1.
Description Spare part number Graphics adapters for u se in models with Windows 8 AMD Radeon HD 7570 2-GB DDR3 FH PCIe x16 Card for use in 350 0/3505/3510 models 701403-001 AMD Radeon HD 7450 1-GB DDR.
Spare part number Description 638628-001 Intel Core i3 2100 processor (3.1-GH z, 3-MB L3 cache; use only in 3400/3410/3500 mod els) 638629-001 Intel Core i3 2120 processor (3.3-GHz, 3-MB L3 cache; use only in 3400/3500 models) 638630-001 Intel Core i5 2400 processor (3.
Spare part number Description 665123-001 Intel Pentium Dual-Core G860 processor ( 3.0 GH z, 3-MB L3 cache, 65W; use only in 3400/3500 mode ls) 665223-001 System board for use in models with Intel proces sor s on 3410 models in Brazil (includes thermal material) 665467-001 Intel Celeron G440 (1.
Spare part number Description 677427-001 Intel Core i3 2125 for use only in HP Pro 350 0 models (3.3-GHz, 3-MB L3 cache; use only in 3400/3500 models) 679218-001 AMD Radeon HD 745 0 1-GB DDR3 FH PCIe .
Spare part number Description 701404-001 nVidia GeForce GT620 1- GB graphics adapter, full height for use in 3500/3505/3510 models with Windows 8 701405-001 nVidia GeForce GT630 2- GB graphics adapter, full height for use in 3500/3505/3510 models with Windows 8 701407-001 AMD A10-5700 processor , 3.
Small Form Factor (SFF) Chassis Spare Parts Computer major components Item Description Spare part number (1) Access p anel 656832-001 (2) Front bez el 656835-001 (3) Pow er supply 220W 656722-001 270W.
Item Description Spare part number 2500 (3.3 GHz, 6-MB L3 cache, 95W) 638631-001 2405S (2.5-GHz, 6-MB L3 cache, 65W) 656790-001 2400S (2.5-GHz, 6-MB L3 cache, 65W) 640953-001 2400 (3.1 GHz, 6-MB L3 cache, 95W) 638630-001 2320 (3.0 GHz, 6-MB L3 cache, 95W) 665121-001 2310 (2.
Cables Item Description Spare part number (1) Power switch/LED assembly 656984-001 (2) SATA cable , 370 mm 656833-001 Small Form Factor (SF F) Chassis Spare Parts 35.
Misc Parts Item Description Spare part number (1) Chassis f an 656834-001 (2) Fan sink (includes replacement ther mal material) 657402-001 (3) Front I/O and ca rd reader (6-in-1) 656983-001 DVI to VGA.
Drives Description Spare part number Hard drive 2-TB, 7200-rpm 616608-001 1.5-TB, 7200-rpm 613209-001 1-TB, 7200-rpm 621418-001 750-GB, 7200-rpm 632938-001 500-GB, 7200-rpm 621421-001 320-GB, 7200-rpm.
Spare part number Description 596410-001 Mouse, USB, optical 609252-001 USB webcam 613209-001 1.5-TB hard drive 616608-001 2-TB hard drive 621418-001 1-TB hard drive 621420-001 320-GB, 7200-rpm hard d.
Spare part number Description 656834-001 Chassis fan 656835-001 Front bezel 656983-001 Front I/O and card reader (6-in-1) 656984-001 Power switch/LED assembly 657111-001 Intel Core i5 2310 processor (2.
5 Serial ATA (SATA) Drive Guidelines and Features NOTE: HP only supports the use of SATA hard driv es on these mo dels of computer. No Parallel ATA (PATA) drives are supported. SATA Hard Drives Serial ATA Hard Drive Characteristics Number of pins/conductors in data cable 7/7 Number of pins in power cable 15 Maximum data cable length 39.
SMART ATA Drives The Self Monitoring Analysis an d Recording Tec hno logy (SMART) ATA drives for the HP Personal Computers have built-in drive failure p rediction that warn s the user or netw or k administrator of an impending failure or crash of the hard drive.
6 Routine Care and Disassembly Preparation This chapter provides general service information for the computer. Ad herence to th e procedures and precautions described in this chapter is esse ntial for proper service. CAUTION: When the computer is plugged in to an AC power source, voltage is always applied to the system board.
Removing DIPs* from vinyl tray Removing DIPs* from Styrofoam Removing bubble pack from PCB Packing PCBs in foam-lined box 2,000 V 3,500 V 7,000 V 5,000 V 4,000 V 5,000 V 20,000 V 11,000 V 11,500 V 14,500 V 26,500 V 21,000 V *These are then multi-packa ged inside plastic tubes, trays, or Styrofoam.
Grounding the Work Area To prevent sta tic damage at the work area, us e the following precautions : ● Cover the work surface with appr oved static-dissipa tive material. Provide a wrist strap connected to the work surface and properly grou nded tools and equ ipment.
Operating Guidelines To prevent ov erheating and to help p rolong the life of the computer: ● Keep the computer away from excessive mo isture , dire ct sunlight, and extremes of heat a nd cold. ● Operate the computer on a sturdy, level surfac e. Leave a 10.
To clean the co mputer case, follow th e procedures described below: ● To remove light sta ins or dirt, use plain water with a clean, lint-free cloth or swab. ● For stronger stains, use a mild dishwashing liq uid diluted with water. Rinse we ll by wiping it with a cloth or swab dampen ed with clear water.
Cleaning the Mouse Before cleanin g the mouse, ensure that the power to the compu ter is turned off. ● Clean the mouse ball by first removing the retaining plate and the ball from the ho using. Pull out any debris from th e ball socket and wipe the ball with a clean, dry cloth befo re reassembly.
Cables and Connectors Most cables used throu ghout the unit are flat, fl exible cables. Th ese cables must be handled with care to avoid damage. Apply onl y the tension required to sea t or unseat the cables during insertion or removal from the conne ctor.
7 Removal and Replacement Procedures – Microtower Chassis Adherence to the p rocedures and pr ecautions de scribed in this chapt er is essential fo r proper servic e. After completing all necessary removal and replacemen t procedures, run the Diagnostics utility to verify that all compo nents operate properly.
Access Panel Description Spare part num ber Access panel 674373-001 1. Prepare the compu ter for disassembly ( Preparation for Disassembly on page 49 ). 2. Loosen the captive T orx screw (1) on the back panel that secure s the panel to the computer. 3.
Front Bezel Description Spare part num ber Front bezel for use in EMEA region only 667849-001 Front bezel with optical drive door for use in Brazil 667849-201 Front bezel with for use in North American and Latin American regions 670692-001 1. Prepare the compu ter for disassembly ( Preparation for Disassembly on page 49 ).
Memory Description Spare part num ber PC3-10600 for use in 3400 series models 4-GB 585157-001 2-GB 635803-001 1-GB 635802-001 PC3-12800 for use in 3500 series models 4-GB 671613-001 2-GB 671612-001 The computer comes with double data rate 3 syn chrono us dynamic random access memory (DDR3- SDRAM) dual inline memo ry modules (DIMMs).
Populating DIMM Sockets Populate the DIMM sockets in the following or der: XMM1, XMM2 or Chan nel A, Channel B. DIMM Socket Lo cations (HP Pro 3400 model s hown) Description Socket Color Insertion Ord.
populated with the least amoun t of memory descr ibes the total amount of memory assig ned to dual channel and the remainder is assign ed to single channe l. For optimal speed, the cha nnels should be bala nced so that the large st amount of memory is spread between the two channe ls.
To install a memory module, reverse th e removal proced ures. NOTE: A memory module can be installed in only one way. Match th e notch on the module with the tab on the memory socket. A DIMM must occupy the XMM1 socket. To create a dua l-channel memory configuration, the memory capacit y of Channel A must equal the memory capacity of Channel B.
Expansion Cards Description Spare part number Graphics adapters for u se in models without Windows 8 AMD Radeon HD 7570 2-GB DDR3 FH PCIe x16 Card for use in all models 679219-001 AMD Radeon HD 7450 1.
Slot Type Number of Slots PCI Express x1 slots 3 PCI Express x16 slots 1 MiniPCI slot 1 Model 3410 expa nsion slots: Slot Type Number of Slots PCI 2.3 slots.
Expansion slot locations model 3410: NOTE: Board appearance and color may vary. NOTE: You can install a PC I Express x1, x4, x8 , or x16 expans ion card in the PCI Exp ress x16 expansion slot.
4. On the rear of the computer, a slot cover lock secures the expansion card brackets in place. Remove the screw from the slot co ver lock then slide the slot cover lock up to remove it from the chassis. 5. Before installing an expansion ca rd, remove the expansion slot co ver or the existing expansion card.
b. If you are removing a PCI Express x1 card, hold the card at each end and carefu lly rock it back and forth until the co nnectors pull fre e fr om the socket.
8. To install a new expansio n card, hold the card just above the expans ion socket on the system board then mo ve the card toward the rear of the chassi s so that the botto m of the bracke t on the card slides into the small slot on the chassis. Press the card straight down into th e expansion socket on the system boa rd.
Cable Management Always follow good cable management practices when working insi de the computer. ● Keep cables away from major heat sources like the h eat sink. ● Do not jam cable s on top of expa nsion cards or memory module s. Printed circuit cards like th ese are not designed to take e xcessive pressure on them.
Cable Connections System board conn ectors are color -coded to mak e it easier to find the proper conne ction. Connector Name Connector Color Description ATX_POWER white Power supply, 24-pin ATX_CPU w.
Drives Description Spare part num ber 16X SATA DVD±RW drive 581600-001 6X SATA DVD-ROM drive (not for Brazil) 581599-00 1 2 TB hard drive, 7200 rpm for use in all 3500/3505/3515 models 616608-001 2 TB hard drive, 5400 rpm for use in all models without Window s 8 613210-001 1.
Installing Additional Drives When installing drives, follow these guidelines: ● The primary Serial ATA (SATA) hard drive mu st be connecte d to the dark blue primary SAT A connector on the system board labeled SATA0. ● Connect an optical drive to the light blue SAT A connector on the system board labe led SATA2.
System Board Driv e Connections System Board Conne ctor System Board Label Color SATA0 SATA0 dark blue SATA1 SATA1 white SATA2 SATA2 light blue SATA3 SATA3 orange Media Card Reade r F_USB1 (HP Pro 340.
System Board Drive Conn ections – Model 3405 sh own System Board Conne ctor System Board Label Color SATA1 SATA1 dark blue SATA2 SATA2 white SATA3 SATA3 light blue SATA4 SATA4 orange Media Card Read.
System Board Drive Conn ections – Model 3505 System Board Conne ctor System Board Label Color SATA1 SATA1 dark blue SATA2 SATA2 white SATA3 SATA3 light blue SATA4 SATA4 orange Media Card R eader CAR.
System Board Drive Conn ections – Model 3515 System Board Conne ctor System Board Label Color SATA0 SATA0 dark blue SATA1 SATA1 white SATA2 SATA2 light blue SATA3 SATA3 yellow Front I/O F_USB2 white.
Removing an Optical Drive CAUTION: All removable media should be taken out of a drive before removin g the drive from the computer. To remove an optica l drive: 1. Prepare the compu ter for disassembly ( Preparation for Disassembly on page 49 ). 2. Remove the access pan el ( Access Panel on page 50 ).
5. Slide the hard driv e toward the b ottom of the comput er (3) , and then remove it from the computer.. To install a hard drive, reverse the remo val procedures.
Front I/O and USB Panel Housing Assembly Description Spare part num ber Front I/O and USB assembly without card reader 667853-001 Front I/O and USB assembly with card reader 667852-00 1 1. Prepare the compu ter for disassembly ( Preparation for Disassembly on page 49 ).
6. Push in on the lever to the left of the assembly. 7. Pull the assembly outwar d away from the front of the chassis while guidi ng the cables th rough the hole in the chassis.
Power Switch/LED Assembly Description Spare part num ber Power switch/LED assembly 667850-001 1. Prepare the compu ter for disassembly ( Preparation for Disassembly on page 49 ). 2. Remove the access pan el ( Access Panel on page 50 ). 3. Remove the front bezel ( Front Bezel on page 51 ).
8. Pull the power switch away from the chassis while guiding the wires through the h ole in the chassis. To install the power switch/LED asse mbly, reverse the removal procedures.
System Fan Description Spare part num ber Chassis fan for use in all models except for 3410 657103-001 Chassis fan for use in 3410 models (Bra zil) 514238-001 434645-001 1. Prepare the compu ter for disassembly ( Preparation for Disassembly on page 49 ).
5. From the inside of the computer, disconnec t the cable from the red/brown system board connector labeled SYS_FAN (1) , pull the fan into the chassis unti l it clears the chassis lip, and then lift it out of the chassis (2) . NOTE: On some models the con nector label is SYS_FAN1.
Fan Sink Assembly Description Spare part num ber Fan sink for use in models with Intel proce ssors 667727-001 Fan sink for use in models with AMD p rocessors 657402-001 1. Prepare the compu ter for disassembly ( Preparation for Disassembly on page 49 ).
Processor HP Pro 3400/3410/3500 models use Intel proce sso rs. HP Pro 3405/3505/351 5 models use AMD processo rs. Description Spare part num ber Intel Core i7 processors 3770, 3.4 GHz, 8-MB L3 cache (use only in 3 500 models) 688164-001 2600S, 2.7 GHz, 8-MB L3 cache (use only in 34 00/3500 models) 638419-001 2600, 3.
Description Spare part num ber G530, 2.4 GHz, 2-MB L3 cache (use only in 3400/3410/3 500 models) 665117-001 G440, 1.6 GHz, 1-MB L3 cache (use only in 3400/3410 models without Windows 8) 665467-001 AMD A-Series Advanced Proc essing Units (APU); not for use in Brazil: A10-5800K, 3.
5. If removing an AMD processo r, skip to step 6. If removing an Intel processor, rotate the locking lever to its full open position (1) , raise and rotate the micropro cessor retainer to its full open position (2) , and then carefully lift the processor fr om the socket (3) .
Power Supply Description Spare part num ber Power supply, 300W (Active PFC; not for use in Brazil) 656721-001 689005-001 Power supply, 300W 664862-001 692096-001 WARNING! Voltage is always present on the system boar d when the computer is plugged into an active AC outlet.
6. Slide the power supply toward th e front of the computer (2) , then lift the power su pply out of the computer (3 ) . To install the po wer supply, reverse the removal procedure. System Board NOTE: All system board spare part kits include replacement thermal material.
When replacing the system board, be sure that the following components are removed from the defective system board and installe d on the replacement system board: ● Memory modules ● Processor ● Expansion cards To remove the system board: 1. Prepare the compu ter for disassembly ( Preparation for Disassembly on page 49 ).
Battery The battery that comes with your comp uter provides power to the real-time clock and has a lifetime of about three ye ars. When replacin g the battery, use a battery equivalent to the battery originally installed on the comp uter. The computer come s with a 3-volt lithium coin cell battery.
5. To insert the new battery, sli de one edge of the repl acement battery under the holde r’s lip with the positive side up (2) . Push th e other edge down un til the clamp snaps ove r the other edge of the battery. 6. Replace the computer access p anel.
8 Removal and Replacement Procedures – Small Form Factor (SFF) Chassis Adherence to the p rocedures and pr ecautions de scribed in this chapt er is essential fo r proper servic e. After completing all necessary removal and replacemen t procedures, run the Diagnostics utility to verify that all compo nents operate properly.
Access Panel Description Spare part num ber Access panel 656832-001 1. Prepare the compu ter for disassembly ( Preparation for Disassembly on page 87 ). 2. If the computer is o n a stand, re move the compute r from the stand. 3. Remove the Torx screw that secures the access pan el to the computer.
4. Slide the access panel toward the back of the computer, and the n pull it away from the computer. To install the access p anel, reverse the removal procedure.
Front Bezel Description Spare part num ber Front bezel 656835-001 1. Prepare the compu ter for disassembly ( Preparation for Disassembly on page 87 ). 2. Remove the access pan el ( Access Panel on page 88 ). 3. Lift up the three tabs on the top of the bezel.
Memory Description Spare part num ber 4-GB, PC3-10600 585157-001 2-GB, PC3-10600 635803-001 1-GB, PC3-10600 635802-001 The computer comes with double data rate 3 syn chrono us dynamic random access memory (DDR3- SDRAM) dual inline memo ry modules (DIMMs).
Populating DIMM Sockets There are two DIMM sockets on the syste m board, with one so cket per channel . Populate the DIMM sockets in the following ord er: Channel A then Channe l B Description Socket Color Insertion Order Channel A (populate first) Blue 1 Channel B Blue 2 NOTE: A DIMM must occupy the Channel A socket.
The system will au tomatically operate i n single channel mode, d ual channel mode, or flex mode, depending on how the DIMMs are i nstalled. Removing DIMMs CAUTION: You must disconnect the power cord an d wa it approximately 30 second s for the power to drain before a dding or removing memory module s.
5. Open both latches of the memory module socket (1) , and remove the memory mo dule from the socket (2) . NOTE: A memory module can be installed in o nly one way.
6. To install a memory modul e, holding the modul e by the edges, completely sli de it into the slot. Make sure the module is pressed complete ly into the socket, and then gently push down on the module until it snaps in place. NOTE: A memory module can be installed in on ly one way.
Expansion Card Description Spare part number Graphics cards nVidia GeForce GT530 2-GB graphics adapter 659354-001 nVidia GeForce GT520 1-GB graphics adapter 657400-001 nVidia GeForce 405 PCIe x16 grap.
Item Description PCI PCI expansion slot PCI PCI expansion slot To remove, replace, or add an expansion card: 1. Prepare the compu ter for disassembly ( Preparation for Disassembly on page 87 ). 2. Remove the access pan el ( Access Panel on page 88 ). 3.
b. If you are removing a PCI Express x16 card, pull the rete ntion arm on the back of the expansion socke t away from the card and ca refully rock the card back and forth until the connectors pull free from the socket.
8. To install a new expansio n card, hold the card just above the expans ion socket on the system board then mo ve the card toward the rear of the chassi s so that the bra cket on the card is aligned with th e open slot on the rear of the chassis. Press the card straight down into the expansion socket on the system board.
10. Connect external cables to the ins talled card, if needed. Connect internal cables to the system board, if needed. 11. Reconfigure the computer, if ne cessary. Cable Management Always follow good cable management practices when working insi de the computer.
Cable Connections System board conn ectors are color -coded to mak e it easier to find the proper conne ction. Connector Name Connector Color Description ATX_POWER white Power supply, 24-pin ATX_CPU w.
Drives Description Spare part num ber 16X SATA DVD±RW drive 581600-001 16X SATA DVD±RW drive 581600-001 2 TB, 7200 rpm SATA hard drive 616608-001 1.5 TB, 7200 rpm SATA hard drive 613209-001 1 TB, 72.
To verify the type and size of the storage devic es installed i n the computer, run Computer Setup. Removing Drives When installing drives, follow these guidelines: ● The primary Serial ATA (SATA) hard drive mu st be connecte d to the dark blue primary SAT A connector on the system board labeled SATA0.
5. If removing an opti cal drive, disconnect the cables from the rear of the drive. 6. Remove the Torx screw from th e cage. 7. Return the drive to its normal position.
8. Push the optical drive from behind, and then remove it from the front of the computer. Removing the Hard Drive NOTE: Before you remove th e old hard drive, be sure to back up the data from the o ld hard drive so that you can transfer the data to the new hard drive.
5. On the front of the computer, pull an d hold the har d drive release lat ch to unlock the hard driv e. 6. With the re lease latch pulled out, li ft the rear o f the hard drive.
7. Disconnect the cables from the rear of the hard drive. 8. Remove the hard drive from th e computer. Drives 107.
9. Remove the four gui de screws from the hard drive for use in th e replacement hard drive. To replace the hard drive, re verse the removal procedures.
Power Switch Description Spare part num ber Power switch/LED assembly 656984-001 The power switch is attached to the front of the chassis using tab s (no screws). Its cab le routes through metal ta bs in the chas sis floor. The powe r switch cable connects to the front USB assembly cable.
5. Disconnect th e power switch cabl e from the front U SB assembly cable. 6. From the outside, front of the computer, press the tab on the right side of the power sw itch (1) to disengage it from the chassis.
Front USB Assembly Description Spare part num ber Front I/O and card reader ( 6-in-1) 656983-001 The front USB assemb ly is secured to the front of the chassis with one screw. Push the assembly into the chassis to remove it. 1. Prepare the compu ter for disassembly ( Preparation for Disassembly on page 87 ).
5. Remove the cables from the clip on the ba se pan of the co mputer. 6. From the front of the co mputer, remove the screw th at secure s the ass embly to th e front of the chassis.
7. Push the left side of th e assembly down sligh tly (1) , a nd then pus h the assembly into the computer (2 ) . 8. Remove the assembly from th e computer.
Fan Assembly Description Spare part num ber Fan 656834-001 The fan assembly is attac hed to the inside floo r of the chassis usin g two screws. The fan is inside of a removal metal cage. 1. Prepare the compu ter for disassembly ( Preparation for Disassembly on page 87 ).
9. if you need to remove the fan from the metal case , remove the four screws that secure the fan to the case, and re move the fan from the case. To install the fan, reverse the r emoval procedure.
Fan Sink Description Spare part num ber Fan sink 657402-001 The fan sink is secu red atop the processor with four captive Torx screws. A fan cable connects to the system board. 1. Prepare the compu ter for disassembly ( Preparation for Disassembly on page 87 ).
4. Disconnect the cable fr om the system board (1) , lift the fan sink from atop the processor (2) and set it on its side to keep from cont aminating the work ar ea with thermal grea se.
Processor Description Spare part num ber Intel Core i7 processors 2600S (2.7 GHz, 8-MB L3 cache, 65W) 638419-001 Intel Core i5 processors 2500S (2.7 GHz, 6-MB L3 cache, 65W) 638420-001 2500 (3.3 GHz, 6-MB L3 cache, 95W) 638631-001 2405S (2.5-GHz, 6-MB L3 cache, 65W) 656790-001 2400S (2.
6. Carefully lif t the proce ssor from the socket (3) . CAUTION: Do NO T handle the pins in the processor socket. These pins are very fragile a nd handling them co uld cause irreparable damage. Once pins a re damaged it ma y be necessary to replace the system bo ard.
NOTE: After installing a new processor onto the system board, alw ays update the system ROM to ensure th at the latest version of the BIOS is be in g used on the computer. Th e latest system BIOS can be found on the Web at: http://h18000.www1.hp.com/ support/files .
5. From the rear of the com puter, remove the four screws that secure the power supply to the computer. 6. On the inside of the computer, press th e tab at the front of the power supply (1) , pull the.
System Board Description Spare part num ber System board (includes thermal material) 665223-001 The system board is secured to the computer with six screws. 1. Prepare the compu ter for disassembly ( Preparation for Disassembly on page 87 ). 2. Remove the access pan el ( Access Panel on page 88 ).
9. Remove the six screws that secure the system board to the chassis. NOTE: System board appe arance may vary. 10. Slide the system board away from the rear of th e comput er to disengage the ports, and then lift the board up a nd out of the ch assis.
NOTE: When replacing the system board, you must also c hange the ch assis serial number in the BIOS. CAUTION: Before reinstalling the heat sink you mu st clean the top o f the processor and the bottom of the heat sink with an alco hol pad supplied in the spares kit.
5. To insert the new battery, sli de one edge of the repl acement battery under the holde r’s lip with the positive side up (2) . Push th e other edge down un til the clamp snaps ove r the other edge of the battery. 6. Replace the computer access p anel.
A Power Cord Set Requirements The power supplies o n some computers have exte rnal power switches. The voltage select switch feature on the co mputer permits it to operate from any line voltage between 100-120 o r 220-240 volts AC.
Country-Specific Requirements Additional requi rements specific to a country are sh own in parentheses an d explained below. Country Ac crediting Agency Country A ccrediting Agency Australia (1) Austr.
B POST Error Messages This appendix lists the erro r codes, error messa g es, and the various indicator li ght and audible sequences that yo u may encounter durin g Power-On Self-Tes t (POST) or computer restart, the probable source of the problem, and steps you can take to resolve the error co ndition.
POST Numeric Codes and Text Messages This section covers those POST errors that have numeric codes associated with them. The section also includes some text messages th at may be encoun tered during POST. NOTE: The computer will beep once after a POST text message is disp layed on the screen.
Table B-1 Numeri c Codes and Text Me ssages (continued) Control panel message Description Recommended action 163-Time & Date Not Set Invalid time or date in configuration memory. RTC (real-time clock) battery may need to be replaced. Reset the date and time under Control Panel (Computer Setup can also be used).
Table B-1 Numeri c Codes and Text Me ssages (continued) Control panel message Description Recommended action 303-Keyboard Controller Error I/O board keyboard controlle r. 1. Reconnect keyboard with computer turn ed off. 2. Replace the system board. 304-Keyboard or System Unit Err or Keyboard failure.
Table B-1 Numeri c Codes and Text Me ssages (continued) Control panel message Description Recommended action 601-Diskette Controller Error Diskette controller circuitry or floppy drive circuitry incorrect. 1. Check and/or replace cables. 2. Clear CMOS.
Table B-1 Numeri c Codes and Text Me ssages (continued) Control panel message Description Recommended action 1720-SMART Hard Drive Detects Imminent Failure Hard drive is about to fail. (Some hard drives have a hard drive firmwar e patch that will fix an erroneous error message .
Table B-1 Numeri c Codes and Text Me ssages (continued) Control panel message Description Recommended action 2201-MEBx Module did not checksum correctly Memory error during POST execution of the Management Engine (ME) BIOS Extensions option ROM. 1. Reboot the computer.
Table B-1 Numeri c Codes and Text Me ssages (continued) Control panel message Description Recommended action 2211-Memory not configured correctly for proper MEBx execution. DIMM1 or XMM1 is not installed. Make sure there is a memory module in the black DIMM1 socket and that it is properly seated.
Table B-1 Numeri c Codes and Text Me ssages (continued) Control panel message Description Recommended action 2230-General error during MEBx execution E rror occurred during MEBx execution which fails into the “General” groupin g. Status information displayed along with the error provides further clarity into the failure.
Table B-1 Numeri c Codes and Text Me ssages (continued) Control panel message Description Recommended action Network Server Mode Active and No Keyboard Attach ed Keyboard failu re while Network Server Mode enabled. 1. Reconnect keyboard with computer turn ed off.
Table B -2 Diagnostic Front Panel LEDs and Audible Codes (co ntinued) Activity Beeps Possible Cause Recommended Ac tion Red Power LED flashes two times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.
Table B -2 Diagnostic Front Panel LEDs and Audible Codes (co ntinued) Activity Beeps Possible Cause Recommended Ac tion Red Power LED flashes five times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.
Table B -2 Diagnostic Front Panel LEDs and Audible Codes (co ntinued) Activity Beeps Possible Cause Recommended Ac tion Red Power LED flashes ten times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.
C Password Security and Resetting CMOS This computer supports security password featur es, which ca n be established through the Comput er Setup Utilities menu. This computer supports two se curity password fe atures that are e stablished through the Co mputer Setup Utilities menu : setup password a nd power-on password.
Resetting the Password Jumper To disable the power-on or se tup password features , or to clear the pow er-on or setup passwords, complete the fo llowing steps: 1. Shut down the operating system properly, then turn off the computer and any external devices, and disconnect the power cord from th e power outlet.
need to be reset. The AMT settings wil l also need to be reset. T o access the MEBx, pres s Ctrl + P during POST. 1. Shut down the operating system properly, then turn off the computer and any external devices, and disconnect the power cord from th e power outlet.
D Troubleshooting Without Diagnostics This chapter provide s information on how to iden tify and correct minor problems, such as USB devices, hard drive, optical drive, graphics, audio, memory, and software prob lems. If you encou nter problems with the co mputer, re fer to the tables in this chapter for probable causes and recommended solutions.
● Refer to the comprehensive online tech nical support at http://www.hp.com/ support . ● Refer to Helpful Hints on pa ge 145 in this guide. To assist you in reso lving problems online , HP Instant Supp ort Professional Ed ition provides you w ith self-solve di agnostics.
● Wake the computer by pressing an y key on the keybo ard or pressing the power button . If the system remains in su spend mode, shut down th e comp uter by pressing and hold ing the power button for at least four seconds th en press the pow er button again to restart the co mputer.
Solving General Problems You may be able to easily resolve the g eneral pr obl ems described in this section . If a problem persists and you are unable to resolv e it yourself or if you fe el uncomfortable ab out performing the operation, contact an authorized dealer or reseller.
Cursor will not mo ve using the arrow keys on the ke ypad. Cause Solution The Num Lock key is turned on. Press the Num Lock key. The Num Lock light must be off if you want to use the arro w keys on the keypad. You can also disable or enable the Num Lock key in Computer Setup at Advanced > Device Options .
Table D -1 Solving General Pro blems (continued ) Poor performance. Cause Solution Virus resident on the hard drive. Run virus protection progr am. Too many applications running. Windows 7: 1. Close unnecessary applications to free up memory. 2. Add more memory.
Computer powe red off automa tically and the Pow er LED flashes Red two times, onc e every second, followed by a two second pause, an d the computer beep s two times. (Beep s stop after fifth iterat ion but LEDs continue flashing). Cause Solution Processor thermal protection activated: A fan may be blocked or not turning.
Solving Power Problems Common causes and so lutions for po wer problems are listed in the f ollowing table. Table D -2 Solving Power Problems Power supply shuts down intermittent ly.
Power LED flashes Re d four times, onc e every second, follow ed by a two sec ond pause, and the co mputer beeps four times. (Beeps stop after fifth it eration but LEDs co ntinue flashing.) Cause Solution Power failure (power supply is overload ed). 1.
Solving Hard Drive Problems Table D -3 Solving Hard Drive Problems Hard drive error occurs. Cause Solution Hard disk has bad sectors or has failed. 1. In Windows 7, click Start , click Computer , and right- click on a driv e. Select Properties , and then select the Tools tab.
Nonsystem disk/NTLDR missing message. Cause Solution The system is trying to start from the hard drive but the ha rd drive may have been damaged. 1. Perform Drive Protection System (DPS) testing in system ROM. System files missing or not properly installed.
Computer seems to be loc ked up. Cause Solution Program in use has stopped responding to comma nds. 1. Use the task manager to close programs tha t do not respond. 2. Attempt the normal Windows “Shut Dow n” procedure. If this fails, press the power button for four or more seconds to turn off the power.
Solving Media Card Reader Problems Table D -4 Solvi ng Media Ca rd Reader Pr oblems Media card will not work in a digital camera after formatting it in Windows. Cause Solution By default, Windows will format any media card with a capacity greater than 32MB with the FAT3 2 format.
Do not know how t o remove a media card correctly. Cause Solution The computer’s software is used to safe ly eject the card. In Windows 7, click Start , select Computer , right-click on the corresponding drive icon, and then select Eject . Pull the card out of the slot.
Solving Display Problems If you encounte r display problems, see the do cumentation that came with the monitor a nd to the common causes and solutions listed in the following table. Table D -5 Solving Display Problem s Blank screen (no video ). Cause Solution Monitor is not turned on and the monitor light is not on.
Blank screen and the p ower LED flashes Red five times, once every second, followed by a two se cond pause, and the computer beep s five times. (Be eps stop after fifth iteration but LEDs continue flashing.) Cause Solution Pre-video memory error. 1. Reseat DIMMs.
Blurry video or reque sted resolution cann ot be set. Cause Solution If the graphics controller was upgr aded, the correct grap hics drivers may not be loaded. Install the video drivers included in the upgrade kit. Monitor is not capable of displaying requested resolutio n.
“Out of Range” displays on screen. Cause Solution Video resolution and refr esh rate are set higher than wha t the monitor supports. Restart the computer and enter Safe Mode. Change the settings to a supported setting then restart the computer so that the new settings take effect.
Fuzzy focus; streaking, ghosting, or shadowing effects; horizontal scrolling lines; faint vertical bars; or unable to center the picture o n the screen (flat pa nel m onitors using an an alog VGA input c onnection only).
Solving Audio Problems If the computer ha s audio features a nd you enco unter audio problems, see the common cau ses and solutions listed in the foll owing table. Table D -6 Solving Audio Problems Sound cuts in and o ut. Cause Solution Processor resources are being used by other open applications.
Table D -6 Solving Audio Problems (continued) Sound does not come out of the speaker o r headphones. Cause Solution Some applications can select which audio output device is used.
Table D -6 Solving Audio Problems (continued) There is no sound or sound volume is t oo low. Cause Solution Some applications can select which audio output device is used.
Table D -7 Solvin g Print er Problems (continue d) Printer prints garbled information. Cause Solution The cables may not be connected p roperly. Reconnect all cables. Printer memory may be overloaded. Reset the printer by turning it off for one minute, then turn it back on.
Solving Keyboard and Mouse Problems If you encounte r keyboard or mouse problems, see the document ation that came with the equipmen t and to the commo n causes and solutio ns listed in the following tabl e. Table D -8 Solving Keyboard Problems A wireless keyboard/mouse is no t working correctly.
Table D -9 Solvi ng Mouse Pr oblems Mouse does not respond to movement or is too slow. Cause Solution Mouse connector is not properly plu gged into the back of the computer. Shut down the computer using the keybo ard. Windows 7: 1. Press the Ctrl and Esc keys at the same time (or press the Windows logo key) to display the Start menu.
Solving Hardware Installation Problems You may need to reconfigure the compu ter when you add or remove hardware, such as an addi tional drive or expansion card. If you install a plug an d play device, Windows auto matically recognizes the device and configures the computer.
Computer will not start. Cause Solution Wrong memory modules we re used in the upgrade or memory modules were installed in the wrong location. 1. Review the documentation that came with the system to determine if you are using the correct memory modules and to verify the proper installation.
Power LED flashes Re d ten times, once every second, followed by a two second pause, and the computer beeps ten times. (Beeps stop after fifth ite ration but LEDs con tinue flashing.) Cause Solution Bad option card. 1. Check each option card by removing the cards one at time (if multiple cards), then power on the system to see if fault goes aw ay.
Network driver does not detect netw ork controller. Cause Solution Network controller is disabled. 1. Run Computer Setup and enable networ k controller. 2. Enable the network controller in the o perating system using Device Manager. To access Device Manager in Windows 7, click Start , select Control Panel , and then sele ct Device Manager .
Diagnostics reports a failure. Cause Solution The cable is not secur ely connected. Ensure that the cable is securely attached to the network connector and that the other end of the cable is secure ly attached to the correct device. The cable is attached to the in correct connector.
Table D-11 Solving Network Problems (co ntinued) Network controller s tops working without apparent cause. Cause Solution The cable is not secur ely connected. Ensure that the cable is securely attached to the network connector and that the other end of the cable is secure ly attached to the correct device.
Table D-12 Solving Memory Problems System will not bo ot or does not func tion properly after installing additional memory mod ules. Cause Solution A memory module is not installed in the DIMM1 or XMM1 socket. Ensure that a memory module is installed in the DIMM1 or XMM1 socket on the system board.
Solving Processor Problems If you encounte r processor problems, common ca uses and solutions are listed in the following table. Table D-13 Solving Processor Problems Poor performance is experienced. Cause Solution Processor is hot. 1. Make sure the airflow to the computer is not blocked.
Table D-14 Solving CD-ROM and DVD Problems (continue d) System will not bo ot from CD-ROM or DVD drive. Cause Solution Network Boot is enabled in Compu ter Setup. Run the Computer Setup utility and disable Network Boot in Security > Network Boot . Non-bootable CD in drive.
Cannot eject c ompact disc (tra y-load unit). Cause Solution Disc not properly seated in the drive. Turn off the computer and insert a thin metal r od into the emergency eject hole and push firmly. Slowly p ull the tray out from the drive until the tray is fully extended, then remove the disc.
Solving USB Flash Drive Problems If you encounte r USB flash drive problems, common causes and solu tions are listed in the following table. Table D-15 Solving USB Flash Drive Problems USB flash drive is not se en as a drive letter in Windows. Cause Solution The drive letter after the last physical drive is no t available.
Solving Front Panel Component Problems If you encounte r problems with devices connecte d to the front panel, refe r to the common cau ses and solutions listed in the foll owing table. A USB device, headpho ne, or microphone is not recognized by the com puter.
Unable to connect to the Internet. Cause Solution IP address is not configured properly. Co ntact your ISP for the correct IP addr ess. Cookies are corrup ted. (A “cookie” is a small piece of information that a Web server can store temporarily with the Web browser.
Solving Software Problems Most software problems occu r as a result of the foll owing: ● The application wa s not installed or configured co rrectly. ● There is insufficient m emory available to run the application. ● There is a conf lict between a pplications.
Computer will not continue after HP logo screen disp lays. Cause Solution System files may be damaged. In Win dows 7, use recovery media to scan hard drive for errors, or use Windows Startup Repair to fix problems that might prevent Windows from starting correctly.
Contacting Customer Support For help and service, conta ct an authorized reselle r or dealer. To locate a reseller or dealer near yo u, visit http://www.hp. com . NOTE: If you take the computer to an authorized reselle r, dealer, or service provider for service, remember to pro vide the setup a nd power-on passwords if they are set.
E HP PC Hardware Diagnostics Use the UEFI-based ha rdware diagnostic solu tion that HP inclu des on all products to diagnose hardware issues. You can use this tool even if the computer will not boot to the operating system. This tool also works with co mponents not diagnosed in HPSA.
How to access and run HP PC Hardware Diagnostics You can run the diagno stics from one of three pl aces, depending on your p reference and the he alth of the computer. 1. Turn on the co mputer and p ress Esc repeatedly until the BIOS Boot Menu appears.
Downloading HP PC Hardware Diagnostics to a USB device 1. Go to http://www.hp.com . 2. Click the Support & Drivers li nk. 3. Select the Drivers & Software tab. 4. Enter the produc t name in the text box a nd click Search . 5. Select your specif ic computer mo del.
F Backup and Recovery Restoring and recovering in Windows 7 To protect from loss or damage, back up your person al data files. Refer to the operating system or backup utility documentation for instructions on making backup copies of your data files.
System Recovery completely e rases and reformat s th e hard disk drive, deleting all data fi les that you have created, and th en reinstal ls the operating system, p rograms, and drivers. However, yo u must reinstall any softw are that was not inst alled on the co mputer at the factory.
8. System Recovery begins. After Syst em Recovery is complete, click Fini sh to restart the computer. 9. When Windo ws has loaded, shut do wn the comput er, reconnect all perip heral devices, and then turn the computer ba ck on.
● If you are creating recovery discs, be sure to use high-quality discs. It is normal for the system t o reject defective discs. You will be prompted to insert a new blank disc to try again. ● The number of discs in the reco very-disc set depends on your co mputer model (typica lly 3 to 6 DVDs).
Using recovery media CAUTION: System Recovery deletes all data and progra ms you have created o r installed. Back up any important data to a CD or DVD or to a USB flash drive. To create recovery m edia, see System recovery usin g recovery media on pa ge 190 .
Backup and recovery in Windows 8 To protect you r information, use Windows Backup and Restor e to back up individu al files and folder s, back up your entire hard drive, crea te system repair media, or create system restore points. In case of system failure, you can use the backup file s to restore the contents of yo ur computer.
Performing a system recovery In case of system failure or inst ability, the computer provides the following tools to recover your files: ● Windows recovery to ols: You can use Windo ws Backup and Restor e to recover inform ation you have previously backed up .
Using f11 recovery tools CAUTION: Using f11 complete ly erases hard dr ive contents and reformats the hard drive. Al l files that you have created and any software that yo u have installed on th e computer are permanen tly removed.
G Specifications MT Specifications Table G -1 Specifications Chassis Height Width Depth 14.49 in 6.50 in 15.31 in 36.8 cm 16.5 cm 38.9 cm Approximate Weight 15.
SFF Specifications Table G -2 Specifications Chassis Height Width Depth 12.77 in 4.98 in 15.61 in 32.5 cm 10.4 cm 39.7 cm Approximate Weight 13.9 lb 6.
Index A access panel removal and replaceme nt 50 SFF removal and replacement 88 SFF spare part number 88 spare part number 2 2, 30, 50 access panel, locke d 148 access panel, SFF spare part number 33,.
front I/O, power switch assembly SFF removal and replacement 111 front panel problems 180 G general problems 147 graphics card, spare part number 37, 38, 96 grounding methods 43 H hard drive proper ha.
removal and replaceme nt access panel 50 battery 85, 124 drives 64 fan 76 fan sink 78 front b ezel 51 front I/O device 72 heat sink 78 memory 52 power supply 82 power switch 74 processor 80 SFF front .
デバイスHP (Hewlett-Packard) D8C45UTABAの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
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