ToshibaメーカーSatellite U920t-10Jの使用説明書/サービス説明書
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User's Manual Satellite U920t series.
Table of Contents Chapter 1 TOSHIBA Legal, Regulatory and Safety Copyright, Disclaimer and Trademarks .............................................. 1-1 Regulatory Information ......................................................................... 1-2 Video Standard Notice .
Computer Handling ............................................................................. 4-20 Heat dispersal ...................................................................................... 4-21 Chapter 5 Utilities and Advanced Usage Utilities and Applications .
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.
recommended by TOSHIBA is likely to result in interference to radio and TV reception. Shielded cables must be used between the external devices and the computer’s External RGB monitor port, Universal Serial Bus (USB 2.0 and 3.0) ports, HDMI port and microphone jack.
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 Contact an authorized TOSHIBA service provider for details regarding how to dispose of the computer and the batteries. General Precautions TOSHIBA computers are designed to optimize safety, minimize strain and withstand the rigors of portability.
Extreme heat, cold, or humidity. Liquids and corrosive chemicals. Stress injury Carefully read the Instruction Manual for Safety and Comfort . It contains information on the prevention of stress injuries to your hands and wrists that can be caused by extensive keyboard use.
Information for Wireless Devices Wireless LAN Interoperability The Wireless LAN is compatible with other LAN systems Direct Sequence Spread Spectrum (DSSS) /Orthogonal Frequency Division Multiplexing (OFDM) radio technology, and is compliant to: The IEEE 802.
Your Bluetooth product is not compatible with devices using Bluetooth Version 1.0B specifications Wireless Devices and your health Wireless products, like other radio devices, emit radio frequency electromagnetic energy.
Italy: - For private use, a general authorization is required if WAS/ RLAN’s are used outside own premises. For public use, a general authorization is required.
Restrictions for Use of 5470-5725MHz Frequencies in Europe Italy: - For private use, a general authorization is required if WAS/ RLAN’s are used outside own premises. Luxembourg: Implemented General authorization required for network and service supply Russian Federation: Limited e.
(2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement." The County Code Selection feature is disabled for products marketed in the US/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.
Radio approvals for wireless devices Approved Countries/Regions for Wireless Devices This equipment is approved to the radio standard by the countries/regions in the following table. Do not use this equipment in the countries/regions which are not listed in the table below.
Senegal Serbia Sierra Leone Singapore Slovak Republic Slovenia Korea Spain Sri Lanka Swaziland Sweden Switzerland Taiwan Tajikistan Thailand Togo Tunisia Turkey Turkmenistan Ukraine United Kingdom Uni.
data or damage to the product when used outside recommended conditions. To avoid risk of lost data, always make back-up copies of data by periodically storing it on an external storage medium. For optimum performance, use your computer product only under recommended conditions.
Battery Life Battery life may vary considerably depending on product model, configuration, applications, power management settings and features utilized, as well as the natural performance variations produced by the design of individual components.
electromagnetic environment, obstacles, access point design and configuration, and client design and software/hardware configurations. The actual transmission speed will be lower than the theoretical maximum speed. Copy Protection Applicable copy protection standards included in certain media may prevent or limit recording or viewing of the media.
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.
Use a virus-check program and make sure it is updated regularly. Never format storage media without checking its content - formatting destroys all stored data. It is a good idea to periodically back up the internal SSD or other main storage device to external media.
Disconnect the AC adaptor before Moving or lifting up the computer in Laptop mode. Disconnect the AC adaptor, USB device and HDMI cable on the back of the computer before sliding the display panel. Disconnect the AC adaptor and all peripherals/cables while operating the computer in Photography mode.
Figure 2-4 Changing to the Laptop mode Do not lift the computer by the display panel. Connecting the AC adaptor Attach the AC adaptor when you need to charge the battery or you want to operate from AC power. It is also the fastest way to get started, because the battery pack will need to be charged before you can operate from battery power.
The AC adaptor can automatically adjust to any voltage ranging from 100 to 240 volts and to a frequency of either 50 or 60 hertz, enabling you to use this computer in almost any country/region. The adaptor converts AC power to DC power and reduces the voltage supplied to this computer.
Figure 2-5 Connecting the power cord to the AC adaptor (2-pin plug) Figure 2-6 Connecting the power cord to the AC adaptor (3-pin plug) Either a 2-pin or 3-pin adaptor/cord will be included with the computer depending on the model. 2. Connect the AC adaptor’s DC output plug to the DC IN 19V jack on the back of the computer.
Press and hold the computer's power button to turn on the computer. Figure 2-8 Turning on the power 1 1. Power button Initial setup The Windows 8 Startup Screen will be the first screen displayed when you turn on the power. Follow the on-screen instructions on each screen in order to properly install the operating system.
2. Never turn off the power while a disk (disc) is being accessed, otherwise you may lose data or damage the disk. Never turn off the power while an application is running. Doing so could cause loss of data. Never turn off the power, disconnect an external storage device or remove storage media during data read/write.
computer automatically, such as a timer recording function. Failure to completely shut down the computer in this way could allow the operating system to reactivate and run pre-programmed tasks or preserve unsaved data, which could interfere with aviation or other systems, possibly causing serious injury.
Press the power button. Please note that this feature must be enabled within the Power Options. When you turn the power back on, you can continue where you left when you shut down the computer. When the computer is in Sleep Mode, the Power indicator will blink amber.
Starting Hibernation Mode To enter Hibernation Mode, follow the steps below. 1. Click the Settings charm. 2. Click Power and then select Hibernate . In order to show Hibernate in Power menu, you need to setup according to the following steps: 1. Click Desktop -> Desktop Assist -> Control Panel -> System and Security -> Power Options .
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.
Figure 3-2 Front of the computer with display panel opened 4 8 10 11 9 7 12 12 6 5 13 1. DC IN/Battery indicator 8. Display screen 2. Power indicator 9. Windows button 3. Wireless communication indicator 10. Keyboard 4. Microphone* 11. Touch Pad 5. Web Camera LED (front) 12.
Wireless communication indicator The Wireless communication indicator glows amber when the Bluetooth, Wireless LAN or Wireless WAN functions are turned on. Only some models are equipped with Bluetooth and Wireless LAN functions. Some models are equipped with a Wireless WAN module.
Legal Footnote (LCD) For more information regarding LCD, please refer to the Legal Footnotes section. Windows button Press this button to show the Start screen. Keyboard The internal keyboard provides the dedicated cursor control keys, and keys. Refer to the The Keyboard section for details.
Power button Press and hold this button to turn the computer's power on or off. Volume up/down buttons Press these buttons to increase or decrease the volume. Orientation lock button Switch to lock/unlock automatic rotation of the screen orientation.
Both the internal and external microphones will be disabled if you use a headset other than the type as shown below. Mic Ground Right Left Memory media slot This slot lets you insert an SD™/SDHC™/ SDXC™ memory card, miniSD™/microSD™ Card and MultiMediaCard™.
Universal Serial Bus (USB 3.0) port One Universal Serial Bus port, which complies to the USB 3.0 standard, is provided on the back of the computer. The USB 3.
Do not touch the slide rails on the middle of the back of the display panel. It could cause damage or malfunction, possibly resulting in injury to your fingers. 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.
Battery pack This product includes a battery pack inside. However, please do not attempt to dismount or replace it by yourself. Please contact an authorized TOSHIBA service provider, if necessary. The rechargeable lithium-ion battery pack provides power to the computer when the AC adaptor is not connected.
Under certain unusual conditions of prolonged non-use and/or exposure to high temperatures, the SSD may be vulnerable to data retention errors. Legal Footnote (Solid State Drive (SSD) Capacity) For more information regarding Solid State Drive (SSD) Capacity, please refer to the Legal Footnotes section.
Intel ® Display Power Saving Technology Intel GPU model may include the Display Power Saving Technology feature that can save the computer's power consumption by optimizing picture contrast on the internal LCD.
When Intel ® Rapid Start Technology is enabled, switching from Sleep Mode to Hibernation Mode consumes power. When you carry your computer aboard on an aircraft or in places where electronic devices are regulated or controlled, always power off your computer.
Power on Power off (no operation) AC adaptor not connected Remaining battery capacity is above low battery trigger point • Operates • LED: off Remaining battery capacity is below low battery trigg.
Power indicator Check the Power indicator to determine the power status of the computer - the following indicator conditions should be noted: White Indicates power is being supplied to the computer and the computer is turned on.
Power Requirements AC adaptor 100-240V AC 50 or 60 Hz (cycles per second) Computer 19V DC AC Power Cord and Connectors The power cord’s AC input plug must be compatible with the various international AC power outlets and the cord must meet the standards for the country/region in which it is used.
For the United States and Canada, two pin plug configuration must be a 2-15P (250V) or 1-15P (125V) and three pin plug configuration must be 6-15P (250V) or 5-15P (125V) as designated in the U.S. National Electrical code handbook and the Canadian Electrical Code Part II.
Chapter 4 Operating Basics This chapter describes the basic operations of your computer, highlights the precautions that should be taken when using it. Changing the Screen Orientation If you are operating the computer in tablet mode, you can change the screen orientation to Portrait mode by rotating the tablet sideways.
You can use your finger to manipulate icons, buttons, menu items, the onscreen keyboard, and other items on the touch screen. Tap Simply tap your finger once on the touch screen to open whatever you tap, such as an app. Press and hold Press your finger down and leave it there for a few seconds.
Keyboard indicators The following figure shows the position of the CAPS LOCK indicator which shows the following conditions: When the CAPS LOCK indicator glows, the keyboard will produce capitals when any letter is typed. Figure 4-2 Keypad indicator 1 1.
Special function mode Standard F1- F12 mode Function F3 FN + F3 Increases the computer's display panel brightness in individual steps. F4 FN + F4 Changes the active display device. To use a simultaneous mode, you must set the resolution of the internal display panel to match the resolution of the external display device.
application key has the same function as the secondary (right) mouse button. This key activates the Start screen . This key has the same function as the secondary (right) mouse button.
Wireless LAN The Wireless LAN is compatible with other LAN systems based on Direct Sequence Spread Spectrum / Orthogonal Frequency Division Multiplexing radio technology that complies with the IEEE802.11 Wireless LAN standard. Frequency Channel Selection of 5GHz for IEEE 802.
Compatibility IEEE 802.11 Standard for Wireless LANs Wi-Fi (Wireless Fidelity) certified by the Wi- Fi Alliance. The "Wi-Fi CERTIFIED" logo is a certification mark of the Wi-Fi Alliance.
Worldwide operation The Bluetooth radio transmitter and receiver operate in the 2.4GHz band, which is license-free and compatible with radio systems in most countries in the world.
Battery This section explains battery types, use, recharging methods and handling. Battery types The computer has different types of batteries. Battery pack When the AC adaptor is not connected, the computer's main power source is this lithium ion battery pack, also referred to in this manual as the main battery.
Charging the batteries When the power in the battery pack becomes low, the DC IN/Battery indicator will flash amber to indicate that only a few minutes of battery power remain.
In such cases you should follow the steps as detailed below: 1. Fully discharge the battery by leaving it in the computer with the power on until the system automatically turns itself off. 2. Connect the AC adaptor to the DC IN 19V jack of the computer, and to a wall outlet that is supplying power.
Whether you close the display panel when you are not using the keyboard - closing the display saves power. The environmental temperature - operating time decreases at low temperatures.
capacities so that you can easily transfer data from devices, such as digital cameras and Personal Digital Assistants. Keep foreign objects out of the Memory media slot. Never allow metal objects, such as screws, staples and paper clips, to enter the Memory media slot.
The maximum capacity of SD memory cards is 2GB. The maximum capacity of SDHC memory cards is 32GB. The maximum capacity of SDXC memory cards is 64GB. Card Type Capacities SD 8MB, 16MB, 32MB, 64MB, 128MB, 256MB, 512MB, 1GB, 2GB SDHC 4GB, 8GB, 16GB, 32GB SDXC 64GB Memory media format New media cards are formatted according to specific standards.
For more details on using memory cards, see manuals accompanying the cards. About the write-protect The memory media cards have a function for protect. SD Card (SD memory card, SDHC memory card and SDXC memory card) Set the write-protect switch to the lock position, if you do not want to record data.
Removing a memory media The following instructions apply to all types of supported media devices. To remove a memory media, follow the steps as detailed below: 1. Click the Desktop tile and open the Safely Remove Hardware and Eject Media icon on the Windows Taskbar.
The system is shutting down. When you connect a television or external monitor to the HDMI port, the display output device is set to HDMI. When you unplug the HDMI cable and re-plug it, please wait at least 5 seconds before you re-plug the HDMI cable again.
Optional TOSHIBA Accessories You are able to add a number of options and accessories in order to make your computer even more powerful and convenient to use.
Your computer may be preinstalled with SRS Premium Sound HD or SRS Premium Sound 3D depending on the model you purchased. For more information, please refer to the help file. Realtek HD Audio Manager You can confirm and change the audio configuration using the Realtek HD Audio Manager .
If you are running some applications (for example a 3D application or video playback and so on), you may see some disturbance, flickering or frame dropping on your screen. If that occurs, adjust the resolution of display, lowering it until the screen is displayed properly.
Never spray cleaner directly onto the computer or let liquid run into any part of it. Never use harsh or caustic chemical products to clean the computer. Moving the computer While the computer is designed for flexible day-to-day usage you should exercise a few simple precautions when moving it in order to help ensure trouble-free operation.
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 eco Utility This computer is equipped with "eco mode". This mode slightly lowers performance of some devices to reduce electric power consumption. You can realize measurable power savings by using it continuously. TOSHIBA eco Utility helps you control and monitor your power savings.
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 floppy diskette or other media. If you forget the password, you can open the password file on another computer. Be sure to keep the media in a safe place.
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. You can use the Sleep and Charge function to charge certain USB-compatible external devices such as mobile phones or portable digitalmusic players. Move the slider to enable or disable this funtion.
Metal paper clips or hair pins/clips will generate heat if they come into contact with USB ports. Do not allow USB ports to come into contact with metal products, for example when carrying the computer in your bag. Your PC has multiple charging modes so that many different USB devices can be supported for Sleep and Charge function.
CPU This function allows you to set the processor's operating mode. Dynamic CPU Frequency Mode This option allows you to configure the power saving modes associated with the processor - the follo.
Boot speed This option allows you to select system boot-up speed. Fast Reduces system boot-up time. System can boot only from the built-in HDD and only internal LCD and keyboard are supported during the boot process. Normal System boots up at normal speed.
Enabled Enables the Wake-up on Keyboard function. Disabled Disables the Wake-up on Keyboard function. USB Legacy USB Support Use this option to enable or disable USB Legacy Emulation. If your operating system does not support USB, you can still use a USB mouse and keyboard by setting the Legacy USB Support item to enabled.
SATA Interface setting This feature allows you to set SATA interface setting. Performance Let HDD/SSD work with maximum performance. (Default) Battery life Let HDD/SSD work with battery life mode. If this setting is selected, this caused performance down.
Operating TOSHIBA Media Player by sMedio TrueLink+ The steps for playing a video file on a local library: 1. Click My Local Library on the Start Page of TOSHIBA Media Player. 2. Click a video file to playback. The steps for playing a music file on a local library: 1.
Additionally, TOSHIBA may also use this information for quality assurance analysis. Subject to the use restrictions above, the HDD data logged may be transferred to entities located outside of your country or region of residence (e.g., European Union).
Creating Recovery Media Restoring the pre-installed software from your created Recovery Media Restoring the pre-installed software from the Recovery Hard Disk Drive Creating Recovery Media This section describes how to create Recovery Media. Be sure to connect the AC adaptor when you create Recovery Media.
3. Insert the first blank disc into the optical disc drive tray, or Insert the USB Flash Memory into one available USB port. 4. Click Desktop -> Desktop Assist -> Support & Recovery -> Recovery Media Creator .
When drivers/utilities are installed, you can setup the respective drivers/ utilities from the following place. To open the setup files, Click Desktop -> Desktop Assist -> All Programs -> TOSHIBA -> Applications and Drivers .
If your computer does not load the Recovery options, please refer to the Troubleshooting section. You can also perform the restoration through PC settings in the operating system: 1. Click the Settings charm and click Change PC settings . 2. Click General under PC settings.
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.
AC power If you have trouble turning on the computer with the AC adaptor connected you should check the status of the DC IN/Battery indicator. Please refer to the Monitoring of power condition section for further information.
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 "System ON CDP Charge Mode" or "USB Sleep and Charge function" is enabled, the "USB WakeUp" function does not work for ports that support the 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 Cannot access Wireless LAN Make sure the computer's Wireless communication function is on. If problems persist, contact your LAN administrator. Bluetooth For further information on Bluetooth wireless communication, please refer to Operating Basics .
TOSHIBA technical support If you are still unable to solve the problem and suspect that it is hardware related, visit TOSHIBA technical support website http://www.
Index A AC adaptor additional 4-18 connecting 2-5 DC IN 19V jack 3-7 B Battery extending life 4-12 monitoring capacity 4-11 real time clock 3-10, 4-9 save mode 5-4 types 4-9 Bluetooth Bluetooth Stack .
K Keyboard function keys 4-3 Function keys F1...F12 4-3 problems 6-6 Windows special keys 4-4 M memory media card inserting 4-15 removing 4-16 Memory media slot 4-12 Moving the computer 4-21 MultiMedi.
T TOSHIBA Desktop Assist 5-1 TOSHIBA PC Diagnostic Tool 5-1 U USB device problems 6-10 V Video mode 4-19 Video RAM 3-10 W Web Camera 3-3, 3-7 Wireless communication 4-5 Wireless LAN problems 6-13 Sate.
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 U920t-10J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 U920t-10J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 U920t-10J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 U920t-10J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 U920t-10J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 U920t-10J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 U920t-10J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 U920t-10J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 U920t-10J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。
