Toshiba Tecra A3X
Toshiba Tecra A3X Laptop & Notebook, size: 3.7 MB
and RESOLUTION before you purchase this item - because some laptop models come with more than one type of screens
Part Number: A3X-20198-LCD
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Laptop Keyboard Key Installation Repair Guide Toshiba Satelite
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Built-in 85 keys or 86 keys, compatible with IBM enhanced keyboard, embedded numeric overlay, dedicated cursor control, and keys. Refer to Chapter 5, The Keyboard, for details.
Built-in Touch Pad A Touch Pad and control buttons in the palm rest enable control of the on-screen pointer and scrolling of windows.
Parallel Serial External monitor Universal Serial Bus (USB 2.0) Parallel printer or other parallel device (ECP compatible). RS-232C compatible port (16550 UART compatible). 15-pin, analog VGA port supports VESA DDC2B compatible functions. The computer has Universal Serial Bus ports that comply with the USB 2.0 standard, which enables data transfer speeds 40 times faster than the USB 1.1 standard. (The ports also support USB 1.1.) This port enables connection of an optional Advanced Port Replicator III described in the Options section. i.LINK is provided with some models. This port enables high-speed data transfer directly from external devices such as digital video cameras.
PC card The PC card slot accommodates a 5 mm Type II card.
Sound system Windows sound system compatible sound system provides microphone as well as jacks for an external microphone and headphone. This jack outputs analog audio signals. A 3.5 mm mini microphone jack enables connection of a three-conductor mini jack for monaural microphone input. TV-out jack is provided with some models. The TV-out jack lets you transfer video data to external devices. Data output depends on the type of device connected to the S-Video cable.
Headphone jack Microphone jack
TV-out jack (S-Video)
Modem An internal modem provides capability for data and fax communication. It supports V.90 (V.92). The speed of data transfer and fax depends on analog telephone line conditions. It has a modem jack for connecting to a telephone line. It is preinstalled as a standard device in some markets. Both of V.90 and V.92 are supported only in USA, Canada and Australia. Only V.90 is available in other regions. The computer has built-in support for Ethernet LAN (10 megabits per second, 10BASE-T) and Fast Ethernet LAN (100 megabits per second, 100BASE-TX). Some computers in this series are equipped with a Wireless LAN mini-PCI card that is compatible with other LAN systems based on Direct Sequence Spread Spectrum / Orthogonal Frequency Division Multiplexing radio technology that complies with the IEEE 802.11 Standard (Revision A, B or G). Theoretical maximum speed: 54Mbps(IEEE802.11a, 802.11g) Theoretical maximum speed: 11Mbps(IEEE802.11b) Frequency Channel Selection (5 GHz: Revision A / 2.4 GHz: Revision B/G) Roaming over multiple channels Card Power Management Wi-Fi Protected Access (WPA). Wired Equivalent Privacy (WEP) data encryption, based on 152 bit encryption algorithm. (Atheros module type) Wired Equivalent Privacy (WEP) data encryption, based on 128 bit encryption algorithm. (Intel module type) Advanced Encryption Standard (AES) data encryption.
Display hinge Display screen
The display hinge holds the display screen at easy-to-view angles. The LCD displays high-contrast text and graphics. The computers LCD consists of up to pixels or pixels. Refer to Display Controller and Modes section in Appendix B. When the computer operates on the AC adaptor the display screens image will be somewhat brighter than when it operates on battery power. The lower brightness level is intended to save battery power. The speakers emit sound generated by your software as well as audio alarms, such as low battery condition, generated by the system. Control buttons below the Touch Pad let you select menu items or manipulate text and graphics designated by the on-screen pointer. A Touch Pad located in the center of the palm rest is used to control the on-screen pointer. Refer to the Using the Touch Pad section in Chapter 4, Operating Basics. Pressing this button enlarges the icon size on the desktop or the application window by default. You can change the button settings and use various functions. Pressing this button switches to the simultaneous display on LCD and CRT with resolution of by default. This button setting can be changed on TOSHIBA Controls properties. When "Presentation (Different Image)" (Windows XP only) is set to this button, you can switch to the multi-monitor display on LCD and CRT. When "Presentation (Same Image)" is set, you can switch to the simultaneous display on LCD and CRT with each resolution. The display mode returns to the display on internal LCD only by pressing the button again. To open TOSHIBA Controls properties, click start, click Control Panel, click Printers and Hardwares, and click TOSHIBA Controls.
Touch Pad control buttons Touch Pad
TOSHIBA Assist button
TOSHIBA Presentation button
Zoom out (-) button
Pressing this button reduces the icon size on the desktop or the application window by default. You can change the button settings and use various functions. The availability of this feature depends on the model you purchased. Pressing this button enlarges the icon size on the desktop or the application window by default. You can change the button settings and use various functions. The availability of this feature depends on the model you purchased. Press the power button to turn the computers power on and off.
Placement of the computer
Position the computer and peripheral devices to provide comfort and safety. Set the computer on a flat surface at a comfortable height and distance. The display should be no higher than eye level to avoid eyestrain. Place the computer so that it is directly in front of you when you work and make sure you have adequate space to easily operate other devices. Allow adequate space behind the computer to let you freely adjust the display. The display should be angled to reduce glare and maximize visibility. If you use a paper holder, set it at about the same height and distance as the computer.
Seating and posture
The height of your chair in relation to the computer and keyboard as well as the support it gives your body are primary factors in reducing work strain. Refer to the following tips and to figure 3-1.
Below eye level
Figure 3-1 Posture and positioning of the computer
Place your chair so that the keyboard is at or slightly below the level of your elbow. You should be able to type comfortably with your shoulders relaxed. Your knees should be slightly higher than your hips. If necessary, use a foot rest to raise the level of your knees to ease pressure on the back of your thighs. Adjust the back of your chair so it supports the lower curve of your spine. Sit straight so that your knees, hips and elbows form approximately 90 degree angles when you work. Do not slump forward or lean back too far.
Users Manual 3-3
Proper lighting can improve legibility of the display and reduce eyestrain. Position the computer so that sunlight or bright indoor lighting does not reflect off the screen. Use tinted windows, shades or other screen to eliminate sun glare. Avoid placing the computer in front of bright light that could shine directly in your eyes. If possible, use soft, indirect lighting in your computer work area. Use a lamp to illuminate your documents or desk, but be sure to position the lamp so that it does not reflect off the display or shine in your eyes.
A key to avoiding discomfort or injury from repetitive strain is to vary your activities. If possible, schedule a variety of tasks into your workday. If you must spend long periods at the computer, finding ways to break up the routine can reduce stress and improve your efficiency. Sit in a relaxed posture. Good positioning of your chair and equipment as described earlier can reduce tension in your shoulders or neck and ease back strain. Vary your posture frequently. Occasionally stand up and stretch or exercise briefly. Exercise and stretch your wrists and hands a number of times during the day. Frequently, look away from the computer and focus your eyes on a distant object for several seconds, for example 30 seconds every 15 minutes. Take frequent short breaks instead of one or two long breaks, for example, two or three minutes every half hour. Have your eyes examined regularly and visit a doctor promptly, if you suspect you might be suffering from a repetitive strain injury. A number of books are available on ergonomics and repetitive strain injury or repetitive stress syndrome. For more information on these topics or for pointers on exercises for such stress points as hands and wrists, please check with your library or book vendor. Also refer to the computers Instruction Manual for Safety & Comfort.
This section describes audio controls including sound levels and power management.
The Volume Control utility lets you control the audio volume in Windows for both playback and recording. To launch Volume Control for playback, click start, point to All Programs, point to Accessories, point to Entertainment and click Volume Control. To launch Recording Control, click Options, point to Properties, choose Recording and click OK. To view details of the Volume Control, click Help on the Volume Control.
The change the microphone gain, follow the steps below. 1. Click Start, point to All Programs, point to Accessories, point to Entertainment and click Volume Control. 2. Click Options and point to Properties. 3. Select Recording and click OK. 4. Click Options and select Advanced Controls. 5. Click Advanced. 6. Check the Microphone Boost checkbox.
The audio controller can be powered down when the audio function is idle. To enable Audio Power Management, follow the steps below. 1. Click Start and click Control Panel. 2. If you are viewing the Control Panel in Category View, click on Switch to Classic View. 3. Double-click the SigmaTel Audio icon. If the Enable Power Management check box is not selected, the audio controller always runs.
Adjust the equalizer settings to enhance sound quality.
This section describes how to connect and disconnect the internal modem to and from a telephone jack. The internal modem does not support voice functions. All data and fax functions are supported. In case of a lightning storm, unplug the modem cable from the telephone jack. Do not connect the modem to a digital telephone line. A digital line will damage the modem.
Telecommunication regulations vary from one region to another, so you will need to make sure the internal modems settings are correct for the region in which it will be used. To select a region, follow the steps below. 1. Click start, point to All Programs, point to TOSHIBA Internal Modem and click Region Select Utility. Do not use the Country/Region Select function in the Modem setup utility in the Control Panel if the function is available. If you change the Country/ Region in the Control Panel, the change may not take effect. 2. The Region Selection icon will appear in the Windows Task Bar. Click the icon with the primary mouse button to display a list of regions that the modem supports. A sub menu for telephony location information will also be displayed. A check will appear next to the currently selected region and telephony location. 3. Select a region from the region menu or a telephony location from the sub-menu. When you click a region it becomes the modems region selection, and the New Location for telephony will be set automatically. When you select a telephony location, the corresponding region is automatically selected and it becomes the modems current region setting.
When the AC adaptor is not connected, the computers main power source is a removable lithium ion battery pack, also referred to in this manual as the main battery. You can purchase additional battery packs for extended use of the computer away from an AC power source. Do not change the battery pack while the AC adaptor is connected.Before you remove the battery pack, save your data and shut down the computer, or set the computer to Hibernation Mode. While entering Hibernation Mode, the computer saves the contents of memory to the hard disk drive. However, for safety sake, it is best to save your data manually.
Figure 6-2 Battery pack
The battery pack is a lithium ion battery, which can explode if not properly replaced, used, handled or disposed of. Dispose of the battery as required by local ordinances or regulations. Use only batteries recommended by TOSHIBA as replacements. Do not remove the battery pack while the computer is in Standby mode. Data is stored in RAM, so if the computer loses power it will be lost. When the computer is powered off in Standby mode, and the AC adaptor is not connected, the main battery pack supply power to maintain data and program in memory. If the battery pack(s) is completely discharged, Standby mode does not function and the computer loses all data in memory. To ensure that the battery pack maintains its maximum capacity, operate the computer on battery power at least once a month until the battery pack is fully discharged. Refer to Extending battery life in this chapter for procedures. If the computer is continuously operated on AC power through an AC adaptor for an extended period, more than a month, the battery may fail to retain a charge. It may not function efficiently over the expected life of the battery and the Battery indicator may not indicate a low-battery condition.
Real Time Clock battery
The Real Time Clock (RTC) battery provides power for the internal real time clock and calendar. It also maintains the system configuration. If the RTC battery becomes completely discharged, the system loses this data and the real time clock and calendar stop working. The following message appears when you turn on the power:
**** RTC battery is low or CMOS checksum is inconsistent **** Press [F1] key to set Date/Time.
The computers RTC battery is a Ni-MH battery and should be replaced only by your dealer or by a TOSHIBA service representative. The battery can explode if not properly replaced, used, handled or disposed of. Dispose of the battery as required by local ordinances or regulations. You can change the setting of RTC by pressing F1 key. After configuring the time and date for the Real Time Clock battery, we recommend that you turn the power status of your computer to "ON" so that the Real Time Clock battery is charged. Refer to Chapter 9 Troubleshooting, for the detail.
Care and use of the battery pack
The battery pack is a vital component of portable computing. Taking proper care of it will help ensure longer operating time on battery power as well as a longer life for your battery pack. Follow the instructions in this section carefully to ensure safe operation and maximum performance.
Mishandling of battery packs can cause death, serious injury or property damage. Carefully observe the following advisories: Warning: Indicates a potentially hazardous situation, which could result in death or serious injury, if you do not follow instructions. Caution: Indicates a potentially hazardous situation, which if not avoided, may result in moderate or minor injury or property damage. Note: Provides important information.
1. Never attempt to dispose of a battery pack by burning or by throwing it into a fire, and never allow exposure to a heating apparatus (e.g., microwave oven). Heat can cause a battery pack to explode and possibly cause serious injury. 2. Never attempt to disassemble, tamper with or repair a battery pack. The battery pack could overheat and ignite. Leakage of the caustic alkaline solution or other electrolytic substances could cause fire, possibly resulting in death or serious injury. 3. Never short circuit the battery pack by either accidentally or intentionally bringing the battery terminals in contact with another conductive object. This could cause serious injury or a fire, and could also damage the battery pack. Always wrap the battery pack in plastic (or place it in a plastic bag) whenever transporting it, to avoid exposing the terminals to another conductive object which could result in serious injury. Always cover the metal terminals with insulating tape when disposing of the battery pack, to prevent accidental short circuiting which could result in serious injury. 4. Never drive a nail or any other sharp object into the battery pack, hit battery pack with a hammer or other object or step on it. Doing so could cause a fire or explosion possibly resulting in serious injury. 5. Never charge the battery pack by a method other than as instructed in the User's Manual. Doing so could cause a fire or explosion possibly resulting in serious injury. 6. Never connect the battery pack to a plug socket or a car cigarette plug socket. The battery pack could rupture or ignite causing a fire or explosion possibly resulting in serious injury. 7. Never allow a battery pack to become wet. A wet battery pack will overheat or ignite causing rupture or fire, possibly resulting in death or serious injury. 8. Never store a battery pack in an area of high humidity. This could cause a fire or explosion possibly resulting in serious injury. 9. Never expose a battery pack to abnormal shock, vibration or pressure. The battery pack's internal protective device could fail, causing it to overheat or ignite resulting in caustic liquid leakage, or explosion or fire, possibly resulting in death or serious injury. 10. Never subject a battery pack to heat, and never store it or use it near a heat source. The battery pack could ignite or explode when heated or burned, possibly resulting in death or serious injury. Subjecting a battery pack to heat could also cause caustic liquid to leak. It can also cause failure, malfunction, or loss of stored data. 11. Always use the battery pack supplied as an accessory or an equivalent battery pack specified in the User's Manual. Other battery packs have different voltage and terminal polarities. Use of non-conforming battery packs could generate smoke or cause fire or rupture, possibly resulting in serious injury.
Monitoring battery capacity
Remaining battery power can be monitored in TOSHIBA Power Saver. Wait at least 16 seconds after turning on the computer before trying to monitor the remaining operating time. The computer needs this time to check the batterys remaining capacity and to calculate the remaining operating time, based on the current power consumption rate and remaining battery capacity. The actual remaining operating time may differ slightly from the calculated time. With repeated discharges and recharges, the batterys capacity will gradually decrease. Therefore, an often used, older battery will not operate for as long as a new battery even when both are fully charged. In this case, TOSHIBA Power Saver will indicate a 100% charge for both the old and new battery, but the displayed estimated time remaining will be shorter for the older battery.
Maximizing battery operating time
A batterys usefulness depends on how long it can supply power on a single charge. How long the charge lasts in a battery depends on: How you configure the computer (for example, whether you enable battery-power saving options). The computer provides a battery save mode, which can be set in TOSHIBA Power Saver, to conserve battery power. This mode has the following options: CPU Processing speed Screen brightness Cooling Method System standby System Hibernation Monitor Power off HDD Power off How often and how long you use the hard disk, optical disc and the floppy disk drive. How much charge the battery contained to begin with. How you use optional devices, such as a PC card, to which the battery supplies power. Enabling Standby mode conserves battery power if you are frequently turning the computer off and on. Where you store your programs and data. Closing the display when you are not using the keyboard saves power. Operating time decreases at low temperatures. The condition of the battery terminals. Make sure the battery terminals stay clean by wiping them with a clean dry cloth before installing the battery pack.
Retaining data with power off
When you turn off your computer with fully charged batteries, the batteries retain data for the following approximate time periods. High Capacity battery pack (8800 mAh) about 8 days (Standby mode) about 160 days (Boot mode) Battery pack (4700 mAh) about 5 days (Standby mode) about 85 days (Boot mode) RTC battery 30 days
Extending battery life
To maximize the life of your battery pack: At least once a month, disconnect the computer from a power source and operate it on battery power until the battery pack fully discharges. Before doing so, follow the steps below. 1. Turn off the computers power. 2. Disconnect the AC adaptor and turn on the computers power. If it does not turn on go to step 4. 3. Operate the computer on battery power for five minutes. If the battery pack has at least five minutes of operating time, continue operating until the battery pack is fully discharged. If the Battery indicator flashes or there is some other warning to indicate a low battery, go to step 4. 4. Connect the AC adaptor to the computer and the power cord to a power outlet. The DC IN 15V indicator should glow green, and the Battery indicator should glow orange to indicate that the battery pack is being charged. If the DC IN 15V indicator does not glow, power is not being supplied. Check the connections for the AC adaptor and power cord. 5. Charge the battery pack until the Battery indicator glows green. If you have extra battery packs, rotate their use. If you will not be using the system for an extended period, more than one month, remove the battery pack. Disconnect the AC adaptor when the battery is fully charged. Overcharging makes the battery hot and shortens life. If you are not going to use the computer for more than eight hours, disconnect the AC adaptor. Store spare battery packs in a cool dry place out of direct sunlight.
Battery release latch (1) Battery pack
Figure 6-4 Securing the battery pack
TOSHIBA Password Utility
The TOSHIBA Password Utility provides two levels of password security: User and Supervisor. Passwords set in TOSHIBA Password Utility are different from the Windows password.
To start the utility, point to or click the following items: start -> All Programs -> TOSHIBA -> Utilities -> Password Utility Set (button) Click this button to register a password of up to 50 characters. After a password is set, you will be prompted to enter it when you start the computer. After you set the password, a dialog box will be displayed asking whether you want to save it to a floppy disk 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 entering the character string to register the password, enter from the keyboard character by character and do not enter as ASCII code or copy-and-paste the character string. In addition, ensure that the registered password is correct by outputting the character string to the password file. Delete (button) Click this button to delete a registered password. Before you can delete a password, you must first enter the current password correctly. Change (button) Click this button to change a registered password. Before you can change a password, you must first enter the current password correctly. Owner String (text box) You can use this box to associate text with the password. After you enter text, click Apply or OK. At the time of a startup of a computer, this text is displayed, when you can ask for the input of a password.
To set a supervisor password, follow the steps below. 1. Click start. 2. Click Run. 3. Enter the following: C:\Program Files\Toshiba\Windows Utilities\SVPWTool\TOSPU.EXE If you set a supervisor password, some functions might be restricted when a user logs on with the user password. This utility lets you do the following: Register, delete or change the supervisor password. Specify restrictions for general users.
Starting the computer by password
To start up the computer with the user password, follow these steps: 1. Turn on the power as described in Chapter 3, Getting Started. The following message appears: Password= At this point, the hotkeys Fn + F1 to F9 do not work. They will function after you enter the password. 2. Enter the password. 3. Press Enter. If you enter the password incorrectly three times in a row, the computer shuts off. In this case, you must turn the computer back on to retry password entry.
Additional battery pack Additional AC adaptor Battery charger
USB Floppy disk drive External monitor Parallel printer TV i.LINK (IEEE1394) Advanced Port Replicator III Bluetooth USB Adaptor Mobile HDD
The computer is equipped with a PC card expansion slot that can accommodate one 5 mm Type II card. Any PC card that meets industry standards (manufactured by TOSHIBA or other vendor) can be installed. The slot supports 16-bit PC cards, including PC card 16s multifunction card and CardBus PC cards. CardBus supports the new standard of 32-bit PC cards. The bus provides superior performance for the greater demands of multimedia data transmission.
Inserting a PC card
The PC card connector is located on the left side of the computer. Windows hot-install feature lets you insert PC cards while the computers power is on. Do not insert a PC card while the computer is in standby or hibernation mode. Some cards might not work properly. An HDD or CD-ROM/DVD-ROM connected to a 16-bit PC card, might affect the performance of the computers sound system and data transmission, including slower transmission speeds and dialing errors. To insert a PC card, follow the steps below. 1. Insert the PC card. 2. Press gently to ensure a firm connection.
Figure 8-1 Inserting the PC card
After inserting the card, refer to the cards documentation and check the configuration in Windows to make sure it is appropriate for your card.
Removing a PC card
To remove the PC card, follow the steps below. 1. Open the Safety Remove Hardware icon on the system tray and disable the PC card. 2. Press the PC card eject button to extend it. 3. Press the extended eject button to pop the card out slightly. 4. Grasp the PC card and draw it out.
Figure 8-2 Removing the PC card
You can install additional memory in the computers memory module socket to increase the amount of RAM. This section describes how to install and remove a memory module. Use only memory modules approved by TOSHIBA. Do not try to install or remove a memory module under the following conditions. You can damage the computer and the module. Also, data will be lost. a. The computer is turned on. b. The computer was shut down using the Standby mode or Hibernation mode. c. Wake-up on LAN is enabled. Some memory modules can be physically installed but are not compatible with the computer. In this case the computer will issue a warning. A beep will sound when you turn on the power. The beep sound rings when a wrong memory is inserted. Refer to Memory expansion section in Chapter 9 for details. Expansion memory is a precision electronic component that may be fatally damaged by static electricity. Since human body has slight static electricity, be sure to discharge static electricity from your body before installing an expansion memory module. To discharge your body's static electricity, simply touch any metal close to you with bare hands. Use a point size 0 Phillips screwdriver to remove and fasten the screws. Use of an incorrect screwdriver can damage the screw heads.
When the computer starts up, the self test will be run automatically, and the following will be displayed:
In Touch with Tomorrow TOSHIBA
This message remains on the screen for a few seconds. If the self test is successful, the computer tries to load the operating system, depending on how the Boot Priority is set in the TOSHIBA HW Setup program. If any of the following conditions are present, the self test failed: The computer stops and does not proceed to display information or messages except the TOSHIBA logo. Random characters appear on the screen, and the system does not function normally. The screen displays an error message. Turn off the computer and check all cable connections. If the test fails again, contact your dealer.
When the computer is not plugged into an AC outlet, the battery pack is the primary power source. However, your computer has a number of other power resources, including intelligent power supply, Real Time Clock battery. These resources are interrelated and any one could affect apparent power problems. This section provides checklists for AC power and the battery. If you cannot resolve a problem after following them, the cause could lie with another power resource. In such case, contact your dealer.
Overheating power down
If the computers internal temperature becomes too high, the computer will automatically enter Hibernation or Resume mode and shut down. Problem Procedure
Computer shuts down Leave the computer off until the DC IN 15V indicator stops blinking. and DC IN 15V indicator blinks orange It is recommended to leave the computer off until the its interior reaches room temperature even though the DC IN 15V indicator stops blinking. If the computer has reached room temperature and still does not start, or if it starts but shuts down quickly contact your dealer. Computer shuts down and its DC IN 15V indicator is flashing in green Indicates a problem with the heat dispersal system. Please contact your dealer.
If you have trouble turning on the computer with the AC adaptor connected, check the DC IN 15V indicator. Refer to Chapter 6, Power for more information. Problem AC adaptor doesnt power the computer (DC IN 15V indicator does not glow green) Procedure Check the connections. Make sure the cord is firmly connected to the computer and a power outlet. Check the condition of the cord and terminals. If the cord is frayed or damaged, replace it. If the terminals are soiled, wipe them with cotton or a clean cloth. If the AC adaptor still does not power the computer, contact your dealer.
If you suspect a problem with the battery, check the DC IN 15V indicator as well as the Battery indicator. For information on indicators and battery operation Refer to Chapter 6, Power. Problem Battery doesnt power the computer Battery doesnt charge when the AC adaptor is attached (Battery indicator does not glow in orange.) Procedure The battery may be discharged. Connect the AC adaptor to charge the battery. If the battery is completely discharged, it will not begin charging immediately. Wait a few minutes. If the battery still does not charge, make sure the outlet of the AC adaptor is supplying power. Test it by plugging in an appliance. Check whether the battery is hot or cold to the touch. If the battery is too hot or too cold, it will not charge properly. Let it reach room temperature.
Procedure Unplug the AC adaptor and remove the battery to make sure the terminals are clean. If necessary wipe them with a soft dry cloth dipped in alcohol. Connect the AC adaptor and replace the battery. Make sure it is securely seated. Check the Battery indicator. If it does not glow, let the computer charge the battery for at least 20 minutes. If the Battery indicator glows after 20 minutes, let the battery continue to charge at least another 20 minutes before turning on the computer. If the indicator still does not glow, the battery may be at the end of its operating life. Replace it. If you do not think the battery is at the end of its operating life, see your dealer.
Battery doesnt power the computer as long as expected
If you frequently recharge a partially charged battery, the battery might not charge to its full potential. Fully discharge the battery, then try to charge it again. Check the power consumption settings in Power Saver utility. Consider using a power saving mode.
Real Time Clock
Problem The following message is Displayed on the LCD: RTC battery is low or CMOS checksum is inconsistent. Press [F1] key to set Date/Time. Procedure The battery for RTC is wearing. Set the date and time in BIOS setup with the following steps: 1. Press F1 key. BIOS setup will boot up. 2. Set the date in System Date. 3. Set the time in System Time. 4. Press End key. Confirmation message will appear. 5. Press Y key. BIOS setup will terminate and the computer will be rebooted.
After configuring the time and date for the Real Time Clock battery, we recommend that you turn the power status of your computer to "ON" so that the Real Time Clock battery is charged.
Problem Cannot enter or forgot password Procedure Contact your dealer.
asynchronous: Lacking regular time relationship. As applied to computer communications, asynchronous refers to the method of transmitting data that does not require a steady stream of bits to be transmitted at regular time intervals.
backup: A duplicate copy of files kept as a spare in case the original is destroyed. batch file: A file that can be executed from the system prompt containing a sequence of operating system commands or executable files. binary: The base two number system composed of zeros and ones (off or on), used by most digital computers. The right-most digit of a binary number has a value of 1, the next a value of 2, then 4, 8, 16, and so on. For example, the binary number 101 has a value of 5. See also ASCII. BIOS: Basic Input Output System. The firmware that controls data flow within the computer. See also firmware. bit: Derived from "binary digit," the basic unit of information used by the computer. It is either zero or one. Eight bits is one byte. See also byte. board: A circuit board. An internal card containing electronic components, called chips, which perform a specific function or increase the capabilities of the system. boot: Short for bootstrap. A program that starts or restarts the computer. The program reads instructions from a storage device into the computers memory. bps: Bits per second. Typically used to describe the data transmission speed of a modem. buffer: The portion of the computers memory where data is temporarily stored. Buffers often compensate for differences in the rate of flow from one device to another. bus: An interface for transmission of signals, data or electric power. byte: The representation of a single character. A sequence of eight bits treated as a single unit; also the smallest addressable unit within the system.
cache memory: High speed memory which stores data that increases processor speed and data transfer rate. When the CPU reads data from main memory, it stores a copy of this data in cache memory. The next time the CPU needs that same data, it looks for it in the cache memory rather than the main memory, which saves time. The computer has two cache levels. Level one is incorporated into the processor and level two resides in external memory.
capacity: The amount of data that can be stored on a magnetic storage device such as a floppy disk or hard disk. It is usually described in terms of kilobytes (KB), where one KB = 1024 bytes and megabytes (MB), where one MB = 1024 KB. card: Synonym for board. See board. CardBus: An industry standard bus for 32-bit PC cards. CD-ROM: A Compact Disc-Read Only Memory is a high capacity disc that can be read from but not written to. The CD-ROM drive uses a laser, rather than magnetic heads, to read data from the disc. CD-R: A Compact Disc-Recordable disc can be written once and read many times. See also CD-ROM. CD-RW: A Compact Disc-Read/Write disc can be rewritten many times. See also CD-ROM. character: Any letter, number, punctuation mark, or symbol used by the computer. Also synonymous with byte. chassis: The frame containing the computer. chip: A small semiconductor containing computer logic and circuitry for processing, memory, input/output functions and controlling other chips. CMOS: Complementary Metal-Oxide Semiconductor. An electronic circuit fabricated on a silicon wafer that requires very little power. Integrated circuits implemented in CMOS technology can be tightly packaged and are highly reliable. cold start: Starting a computer that is currently off (turning on the power). COM1, COM2, COM3 and COM4: The names assigned to the serial and communication ports. commands: Instructions you enter at the terminal keyboard that direct the actions of the computer or its peripheral devices. communications: The means by which a computer transmits and receives data to and from another computer or device. See parallel interface; serial interface. compatibility: 1) The ability of one computer to accept and process data in the same manner as another computer without modifying the data or the media upon which it is being transferred. 2) the ability of one device to connect to or communicate with another system or component. components: Elements or parts (of a system) which make up the whole (system). computer program: A set of instructions written for a computer that enable it to achieve a desired result. computer system: A combination of hardware, software, firmware, and peripheral components assembled to process data into useful information.
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