ToshibaメーカーSatellite U940-11Jの使用説明書/サービス説明書
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User's Manual Satellite U940 series.
Table of Contents Chapter 1 TOSHIBA Legal, Regulatory and Safety Copyright, Disclaimer and Trademarks .............................................. 1-1 Regulatory Information ......................................................................... 1-2 Video Standard Notice .
Heat dispersal ...................................................................................... 4-28 Chapter 5 Utilities and Advanced Usage Utilities and Applications ...................................................................... 5-1 Special features .
Chapter 1 TOSHIBA Legal, Regulatory and Safety This chapter states the Legal, regulatory and safety information applicable to TOSHIBA computers. Copyright, Disclaimer and Trademarks Copyright © 2012 by TOSHIBA Corporation.
Bluetooth is a trademark owned by its proprietor and used by TOSHIBA under license. The terms HDMI and HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries.
Only peripherals complying with the FCC class B limits may be attached to this equipment. Operation with non-compliant peripherals or peripherals not recommended by TOSHIBA is likely to result in interference to radio and TV reception.
This product and the original options are designed to observe the related EMC (Electromagnetic Compatibility) and safety standards. However, TOSHIBA cannot guarantee that this product still observes these EMC standards if options or cables not produced by TOSHIBA are connected or implemented.
VCCI Class B Information この装置は、クラスB情報技術装置です。この装置は、家庭環境で使 用することを目的としていますが、この装置がラジオやテレ.
Disposal of batteries and/or accumulators The crossed out wheeled dust bin symbol indicates that batteries and/or accumulators must be collected and disposed of separately from household waste.
Battery is a consumption product, since the battery time depends on the usage of your computer. If the battery can not be charged at all, then it is a defect or failure.
------------------------ /*===================================================== Copyright (c) 1998-2011 The OpenSSL Project. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1.
---------------------------------- /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) All rights reserved. This package is an SSL implementation written by Eric Young (eay@cryptsoft.com). The implementation was written so as to conform with Netscapes SSL.
USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Disposing of the computer and the computer's batteries Discard this computer in accordance with applicable laws and regulations. For further information, contact your local government.
To keep your computer in prime operating condition, protect your work area from: Dust, moisture, and direct sunlight. Equipment that generates a strong electromagnetic field, such as stereo speakers (other than speakers that are connected to the computer) or speakerphones.
Instruction Manual for Safety and Comfort All important information on the safe and proper use of this computer is described in the enclosed Instruction Manual for Safety and Comfort.
If you should experience any such problem, immediately turn off either one of your Bluetooth or Wireless LAN. Please visit http://www.pc.support.global.toshiba.com, if you have any questions about using Wireless LAN or Bluetooth Card from TOSHIBA. In Europe visit http://www.
Europe Restrictions for Use of 2400.0-2483.5MHz Frequencies in Europe France: Outdoor use limited to 10mW e.i.r.p. within the band 2454-2483.5MHz Military Radiolocation use.Refarming of the 2.4GHz band has been ongoing in recent years to allow current relaxed regulation Full implementation planned 2012.
Russian Federation: Limited e.i.r.p 100mW. Permitted to use only for indoor applications, closed industrial and warehouse areas, and on board aircraft. 1. Permitted to use for local networks of aircraft crew service communications on board aircraft in area of the airport and at all stages of flight.
check the current channel of operation. If operation is occurring outside of the allowable frequencies for outdoor use, as listed above, the user must contact the applicable national spectrum regulator to request a license for outdoor operation. Canada - Industry Canada (IC) This device complies with RSS 210 of Industry Canada.
Article 14 The low power radio-frequency devices shall not influence aircraft security and interfere legal communications; If found, the user shall cease operating immediately until no interference is achieved. The said legal communications means radio communications is operated in compliance with the Telecommunications Act.
4. 4 : The interference range of this equipment is less than 40m. 5. : This equipment uses a frequency bandwidth from 2,400MHz to 2,483.5MHz. It is possible to avoid the band of mobile object identification systems. 3. Indication for Bluetooth The indication shown below appears on this equipment.
Intel 2230BNHMW 802.11b/g/n Wireless LAN with Bluetooth The Name of the radio equipment: 2230BNHMW DSP Research, Inc. Approval Number: D111287003 The following restrictions apply: Do not disassemble or modify the device. Do not install the embedded wireless module into other device.
CPU Central Processing Unit (CPU) Performance Legal Footnotes. CPU performance in your computer product may vary from specifications under the following conditions: use of certain external peripheral .
Memory (Main System) Part of the main system memory may be used by the graphics system for graphics performance and therefore reduce the amount of main system memory available for other computing activities.
LCD Over a period of time, and depending on the usage of the computer, the brightness of the LCD screen will deteriorate. This is an intrinsic characteristic of LCD technology.
Please read. A note is a hint or advice that helps you make best use of your equipment. Satellite U940 series User's Manual 1-24.
Chapter 2 Getting Started This chapter provides an equipment checklist, and basic information to start using your computer. Some of the features described in this manual may not function properly if you use an operating system that was not pre-installed by TOSHIBA.
Right-click Click the right Touch Pad control button once. Right click the mouse once. Press and hold on the touch screen (only for touch screen models). Double-click Tap the Touch Pad or click the left Touch Pad control button twice. Left click the mouse twice.
It is a good idea to periodically back up the internal Hard Disk Drive or other main storage device to external media. General storage media is not durable or stable over long periods of time and under certain conditions may result in data loss.
When you connect the AC adaptor to the computer, always follow the steps in the exact order as described in the User’s Manual. Connecting the power cable to a live electrical outlet should be the last step otherwise the adaptor DC output plug could hold an electrical charge and cause an electrical shock or minor bodily injury when touched.
2. Connect the AC adaptor’s DC output plug to the DC IN 19V jack on the right of the computer. Figure 2-3 Connecting the DC output plug to the computer 1 2 1. DC IN 19V jack 2. DC output plug 3. Plug the power cord into a live wall outlet - the DC IN/Battery indicator on the front of the computer should glow.
Do not close the display panel with pens or any other objects left in between the display panel and the keyboard. When opening or closing the display panel, place one hand on the palm rest to hold the.
When it is displayed, be sure to read the License Terms carefully. Getting to know the Start screen The Windows 8 Start screen provides you a new and easy way to access your favorite things, such as apps, websites and contacts.
Restarting the computer Certain conditions require that you reset the computer, for example if: You change certain computer settings. An error occurs and the computer does not respond to your keyboard commands.
When the AC adaptor is connected, the computer will go into Sleep Mode according to the settings in the Power Options (to access it, click Desktop -> Desktop Assist -> Control Panel -> System and Security -> Power Options ).
Sleep Mode limitations Sleep Mode will not function under the following conditions: Power is turned back on immediately after shutting down. Memory circuits are exposed to static electricity or electrical noise.
1. Click Desktop -> Desktop Assist -> Control Panel -> System and Security -> Power Options . 2. Click Choose what the power button does or Choose what closing the lid does . 3. Click Change settings that are currently unavailable . 4. Select the Hibernate check box from Shutdown settings.
Chapter 3 The Grand Tour This chapter identifies the various components of the computer - it is recommended that you become familiar with each before you operate the computer. Legal Footnote (Non-applicable Icons) For more information regarding Non-applicable Icons, please refer to the Legal Footnotes section.
Power indicator The Power indicator normally glows white when the computer is turned on. However, if you turn the computer off into Sleep Mode, this indicator will blink amber - approximately two seconds on, two seconds off.
Keep foreign metal objects, such as screws, staples and paper clips, out of the USB port. Foreign metal objects can create a short circuit, which can cause damage and fire, possibly resulting in serious injury. Cooling vents The cooling vents help the processor to avoid overheating.
Memory media slot This slot lets you insert an SD™/SDHC™/ SDXC™ memory card, miniSD™/microSD™ Card and MultiMediaCard™. Refer to the Memory media section for more information. Keep foreign metal objects, such as screws, staples and paper clips, out of the Memory media slot.
Underside The following figure shows the underside of the computer. You should ensure that the display is closed before the computer is turned over to avoid causing any damage. Figure 3-4 The underside of the computer 2 3 4 5 5 1 1. Battery lock 4. Memory module slot 2.
Stereo speakers The speakers emit sound generated by your software as well as audio alarms, such as low battery condition, generated by the system. Front with the display open This section shows the computer with the display panel open. In order to open the display, lift the display panel up and position it at a comfortable viewing angle for you.
Microphone The built-in microphone allows you to import and record sounds for your application - please refer to the Sound System and Video mode section for more information.
Touch Pad The Touch Pad located in the palm rest is used to control the movement of the on-screen pointer. To use the Touch Pad, simply touch and move your fingertip across it in the direction you want the on-screen pointer to go.
Hard Disk Drive or Solid State Drive The size of the hard disk drive varies depending on the model. To check which type of HDD/SSD is included in your model, open the TOSHIBA PC Diagnostic Tool Utility by clicking Desktop -> Desktop Assist -> Support & Recovery -> PC Diagnostic Tool .
Display controller The display controller interprets software commands into hardware commands that turn particular parts on the screen on or off. The display controller also controls the video mode and uses industry standard rules to govern the screen resolution and the maximum number of colors that can be displayed at any one time.
With the Intel ® Rapid Start Technology, the Windows can rapidly resume from Hibernation Mode and battery life will be longer than when in Sleep Mode. Intel ® Rapid Start Technology is enabled at factory default. The computer will switch to Hibernation Mode after two hours of Sleep Mode.
Monitoring of power condition Power conditions The computer's operating capability and battery charge status are affected by different power conditions, including whether an AC adaptor is connected and what the charge level is for that battery. The LED in the table below refers to the DC IN/Battery indicator.
Flashing amber The battery charge is low. The AC adaptor must be connected in order to recharge the battery. Indicates a problem with the power supply. You should initially try plugging the AC adaptor into another power outlet - if it still does not operate properly, you should contact your reseller or dealer.
Environmental Requirements Conditions Ambient temperature Relative humidity Operating 5°C (41°F) to 35°C (95°F) 20% to 80% (noncondensing) Non-operating -20°C (-4°F) to 60°C (140°F) 10% to 90%.
Australia: AS Japan: DENANHO Europe: Austria: OVE Italy: IMQ Belgium: CEBEC The Netherlands: KEMA Denmark: DEMKO Norway: NEMKO Finland: FIMKO Sweden: SEMKO France: LCIE Switzerland: SEV Germany: VDE U.
Chapter 4 Operating Basics This chapter describes the basic operations of your computer, highlights the precautions that should be taken when using it.
Function Key The function keys (F1~F12) are the twelve keys at the top of your keyboard. The FN key is used in combination with other keys to form soft keys.
Special function mode Standard F1- F12 mode Function F12 FN + F12 Turns the Airplane mode on or off. FN + 1 FN + 1 Reduces the icon size on the desktop or the font sizes within one of the supported application windows. FN + 2 FN + 2 Enlarges the icon size on the desktop or the font sizes within one of the supported application windows.
Only some models are equipped with both Wireless LAN and Bluetooth functions. Do not use the Wireless LAN (Wi-Fi) or Bluetooth functionalities near a microwave oven or in areas subject to radio interference or magnetic fields. Interference from a microwave oven or other source can disrupt Wi-Fi or Bluetooth operation.
Setting 1. Please make sure that the Wireless Communication function is on. 2. Click Desktop -> Desktop Assist -> Control Panel -> Network and Internet -> Network and Sharing Center . 3. Click Set up a new connection or network . 4. Follow the wizard.
The range of the wireless signal is related to the transmit rate of the wireless communication. Communications at lower transmit range may travel larger distances. The range of your wireless devices can be affected when the antennas are placed near metal surfaces and solid high-density materials.
The Wake-up on LAN function consumes power even when the system is off. Leave the AC adaptor connected while using this feature. The Link speed (10/100 megabits per second) changes automatically depending on the network conditions (connected device, cable or noise and so on).
2. Plug one end of the cable into the LAN jack. Press gently until you hear the latch click into place. Figure 4-5 Connecting the LAN cable 1 2 1. LAN jack 2.
Care and use of the battery pack This section provides the important safety precautions in order to handle your battery pack properly. Refer to the enclosed Instruction Manual for Safety and Comfort for detailed precautions and handling instructions.
Procedures To recharge a battery pack, connect the AC adaptor to the DC IN 19V jack and plug the other end into a working outlet - the DC IN/Battery indicator will glow amber while the battery is being charged. Use only the computer connected to an AC power source or optional TOSHIBA Battery charger to charge the battery pack.
2. Connect the AC adaptor to the DC IN 19V jack of the computer, and to a wall outlet that is supplying power. 3. Charge the battery until the DC IN/Battery indicator glows white. Repeat these steps two or three times until the battery recovers normal capacity.
The environmental temperature - operating time decreases at low temperatures. Whether you enable Sleep and Charge function. The condition of the battery terminals - you should always ensure the terminals stay clean by wiping them with a clean dry cloth before installing the battery pack.
Replacing the battery pack Please be aware that the battery pack is classified as a consumable item. The operating life of the battery pack will gradually reduce through repeated charging and discharging, and will need to be replaced when it reaches the end of its operating life.
Installing the battery pack To install a battery pack, follow the steps as detailed below: Do not touch the battery release latch while holding the computer or the battery pack might fall out due to the unintentional release of the battery release latch and cause injuries.
Use a point size 0 Phillips screwdriver to remove and fasten the screws - the use of an incorrect screwdriver can damage the screw heads. Installing a memory module To install a memory module, follow the steps as detailed below: 1.
7. Align the notch of the memory module with that of the memory slot and gently insert the module into the slot at about a 30 degree angle before holding it down until the latches on either side snap into place. Figure 4-8 Seating the memory module 1 2 1.
8. Seat the memory module cover in place and secure it with the screw. Take care to ensure that the memory module cover is firmly closed. Figure 4-9 Seating the memory module cover 1 2 1. Memory module cover 2. Screw Product appearance depends on the model you purchased.
8. Grasp the module by its edges and remove it from the computer. If you use the computer for a long time, the memory modules and the circuits locating close to the memory modules will become hot. In this case, let them cool to room temperature before you replace them.
Please note that an adaptor is required to use miniSD/microSD Card. Please note that not all memory media have been tested and verified to work correctly. Therefore, it is not possible to guarantee that all memory media will operate properly. The slot does not support Magic Gate functions.
SDXC 64GB Memory media format New media cards are formatted according to specific standards. If you wish to reformat a media card, be sure to do so with a device that uses media cards. Formatting a memory media card Memory media cards are sold already formatted in conformity to specific standards.
Set the write-protect switch to the lock position, if you do not want to record data. Inserting a memory media The following instructions apply to all types of supported media devices. To insert a memory media, follow the steps as detailed below: 1. Turn the memory media so that the contacts (metal areas) are face down.
Do not remove the memory media while the computer is in Sleep or Hibernation Mode. The computer could become unstable or data in the memory media could be lost. Do not remove only the miniSD/microSD Card while leaving the adaptor in the Memory media slot.
When you change the display output device by function key, the playback device may not switch automatically. In this case, in order to set the playback device to the same device as the display output device, please adjust the playback device manually by the following steps: 1.
to product. Please refer to the instructions for the product you are using for more information. Connecting the security lock In order to connect a security cable to the computer, follow the steps as detailed below: 1. Turn the computer so its left side faces you.
To launch the Volume Mixer utility, click Desktop and right click on the speaker icon on the Taskbar, and then select Open Volume Mixer from the sub menu. To adjust the volume level of speakers or headphones, move the Speakers slider. To adjust the volume level of an application that you are using, move the slider for the corresponding application.
When you first launch the Realtek HD Audio Manager, you will see two device tabs. Speakers is the default output device. Microphone is the default input device. To change the default device, click the Set Default Device button under the chosen device tab.
Cleaning the computer To help ensure long, trouble-free operation, keep the computer free of dust and dirt, and use care with all liquids around it. Be careful not to spill liquids into the computer.
Heat dispersal To protect against overheating, the processor is equipped with an internal temperature sensor which activates a cooling fan or lowers the processing speed if the computer's internal temperature rises to a certain level.
Chapter 5 Utilities and Advanced Usage This chapter describes the utilities and special features of this computer, and the advanced usage of some utilities. Utilities and Applications This section describes the pre-installed utilities that come with the computer and details how to start them.
TOSHIBA HDD Accelerator TOSHIBA HDD Accelerator is an application that can improve hard drive access performance by using part of the main memory of the computer as a cache. To access this utility, click Desktop -> Desktop Assist -> Tools & Utilities -> HDD Accelerator .
TOSHIBA Service Station This application allows your computer to automatically search for TOSHIBA software updates or other alerts from TOSHIBA that are specific to your computer system and its programs.
Function keys Function keys are specific key combinations that let you quickly change the system configuration directly from the keyboard without running a system program.
Heat dispersal *1 To protect against overheating, the processor has an internal temperature sensor so that, if the computer's internal temperature rises to a certain level, the cooling fan is turned on or the processing speed is lowered. This can be specified in the Power Options.
After you set the password, a dialog box will be displayed asking whether you want to save it to a media. If you forget the password, you can open the password file on another computer.
When saving the HDD User Password shut down or restart the computer. If the computer is not shut down or restarted, the saved data may not be correctly reflected. For more information on shutting down or restarting the computer, refer to Turning on the power .
The settings or options explained here may vary depending on the model you purchased. After you changed the settings, a dialog box may appear to prompt you that the changes will take effect after the computer is restarted. Make sure to restart your computer immediately to apply these changes.
The port with the icon ( ) has Sleep and Charge function. Move the slider to enable or disable this function. Enabled Enables the Sleep and Charge function. Then you can use this function to charge certain USB- compatible external devices such as mobile phones or portable digital music players.
Your PC has multiple charging modes so that many different USB devices can be supported for Sleep and Charge function. Auto Mode (Default) is suitable for a wide range of digital audio players. However, determining which mode is suitable for your USB device is unknown without trying.
Boot Priority Options This option allows you to set the priority for booting the computer. Click the Up and Down buttons to adjust the priority. To change the boot drive, follow the steps below. 1. Hold down F12 and boot the computer. Release the F12 key one second after the computer is power on.
Function Keys Mode This feature allows you to configure the Function Keys Mode. Please refer to the Function Key section for more information about function keys. Special function mode Press the function key by itself to use special functions. Hold FN first to use standard F1-F12 functions.
Battery life Let HDD/SSD work with battery life mode. If this setting is selected, this caused performance down. LAN Wake-up on LAN This feature lets the computer's power be turned on from shutdown when it receives a wake-up packet (Magic packet) from the LAN.
It is recommended that the AC adaptor be connected while TOSHIBA Media Player is running. Power saving features may interfere with smooth playback. When TOSHIBA Media Player is used with a battery power, set the Power Options to "Balance".
numbers, and will track specific activities related to the computer and their usage. The collected information includes device operation time and number of actuations or status changes (i.
the program is enabled, the TOSHIBA PC Health Monitor screen is displayed, and the program will begin monitoring system functions and collecting information. A message will be displayed if any changes which may interfere with the operation of the program are detected.
A recovery image of the software on your computer is stored on the Hard Disk Drive, and can be copied to either disc media or USB Flash Memory by using the following steps: 1.
Please make sure to use the default Boot Mode option in the BIOS setup utility before restoring. To start BIOS Setup, press and hold the F2 key, and then turn on the computer. Release the F2 key one second after the computer is power on. If your computer does not load the Recovery options, please refer to the Troubleshooting section.
However, if you have already created a "Recovery Media", you can use it to restore the recovery partition. If you have not created "Recovery Media", please contact TOSHIBA support for assistance.
Chapter 6 Troubleshooting TOSHIBA have designed this computer for durability, however, should problems occur you are able to use the procedures detailed in this chapter to help determine the cause. All users should become familiar with this chapter as knowing what might go wrong can help prevent problems from occurring in the first place.
Check all cables to ensure they are correctly and firmly attached to the computer - loose cables can cause signal errors. Inspect all connecting cables for loose wires and all connectors for loose pins.
Hardware If you cannot find a software problem, you should then check the setup and configuration of your hardware. First run through the items in the preliminary checklist as described previously the.
The computer will not load advanced options during startup By holding down one of the following keys during startup, your computer will load advanced options as shown below.
Problem Procedure Computer shuts down automatically. Leave the computer off until it reaches room temperature. If the computer has reached room temperature and it still does not start, or if it starts but shuts down quickly, contact TOSHIBA Support.
Problem Procedure Battery doesn’t charge when the AC adaptor is attached If the battery is completely discharged, it will not begin charging immediately, in these instances you should wait a few minutes before trying again.
Real Time Clock Problem Procedure The BIOS setting and system date/ time are lost. The charge in the Real Time Clock (RTC) battery has run out - you will need to set the date and time in the BIOS setup application by using the following steps: 1. Press and hold the F2 key, and then turn on the computer.
Problem Procedure Markings appear on the computer's display panel. These marks may have come from contact with the keyboard and Touch Pad while the display panel has been closed. You should try to remove the marks by gently wiping the display panel with a clean dry cloth or, if this fails, with a good quality LCD screen cleaner.
Problem Procedure You cannot write to a memory media card Remove the memory media card from the computer and check to ensure that it is not write protected. You cannot read a file Check to ensure the required file is actually on the memory media card that is inserted into the computer.
Problem Procedure The on-screen pointer moves too fast or too slow In this instance, you should initially try changing the speed setting within the Mouse Control utility. 1. To access this utility, click Desktop -> Desktop Assist -> Control Panel -> Hardware and Sound -> Mouse .
Problem Procedure The on-screen pointer moves too fast or too slow In this instance, you should initially try changing the speed setting within the Mouse Control utility. 1. To access this utility, click Desktop -> Desktop Assist -> Control Panel -> Hardware and Sound -> Mouse .
Problem Procedure I cannot use the Sleep and Charge function. Sleep and Charge function may be disabled. Enable the Sleep and Charge function in the TOSHIBA System Settings. When there is a current overflow of the external device connected to the compatible port, USB bus power (DC5V) supply may be stopped for safety reasons.
Problem Procedure The "USB Wakeup function" does not work. When Sleep and Charge function is enabled, the "USB WakeUp" function does not work for ports that support the Sleep and Charge function. In that case, use an USB port that does not have the USB Sleep and Charge function or change to disable Sleep and Charge function.
Problem Procedure Monitor does not turn on After confirming that the monitor's power switch is on, you should check the connections to make sure that the power cord/adaptor is firmly connected to the monitor and to a working power outlet. No display Try adjusting the contrast and brightness controls on the external monitor.
Problem Procedure Wake-up on LAN does not work Make sure the AC adaptor is connected. The Wake-up on LAN function consumes power even when the system is off. If problems persist, consult your LAN administrator. Wireless LAN If the following procedures do not restore LAN access, consult your LAN administrator.
Before you call Some problems you experience may be related to software or the operating system so it is important that you investigate other sources of assistance first. Before contacting TOSHIBA, try the following: Review troubleshooting sections in the documentation supplied with your software and/or peripheral devices.
Index A AC adaptor additional 4-24 connecting 2-3 DC IN 19V jack 3-4 B Battery extending life 4-12 monitoring capacity 4-11 real time clock 3-9, 4-8 save mode 5-4 types 4-8 Battery pack replacing 4-13.
LAN 5-13 SATA 5-12 USB 5-12 window 5-8 K Keyboard Function keys F1...F12 4-2 problems 6-7 Windows special keys 4-3 L LAN cable types 4-7 connecting 4-7 problems 6-14 M Memory installing 4-15 removing .
Recovery Media 5-17 Restarting the computer 2-8 S SD/SDHC/SDXC Card formatting 4-20 note 4-19 Security lock 4-23 Sleep Mode setting 2-8 System automatic 5-4 Sound system problems 6-13 T TOSHIBA Deskto.
Glossary The terms in this glossary cover topics related to this manual. Alternate naming is included for reference. Abbreviations AC: Alternating current ANSI: American National Standards Institute A.
LAN: local area network LCD: liquid crystal display LED: light emitting diode MB: megabyte MMC: multi media card OCR: optical character recognition (reader) PC: personal computer PCI: peripheral compo.
デバイスToshiba Satellite U940-11J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:
Toshiba Satellite U940-11Jをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはToshiba Satellite U940-11Jの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Toshiba Satellite U940-11Jの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Toshiba Satellite U940-11Jで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Toshiba Satellite U940-11Jを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はToshiba Satellite U940-11Jの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Toshiba Satellite U940-11Jに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちToshiba Satellite U940-11Jデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。