background image

Computer screen problems

Problem:

The screen is blank.

Solution:

Press Fn+Home key to make the screen brighter. If the problem

persists, do the “Solution” in the problem below.

Problem:

The screen is unreadable or distorted.

Solution:

Make sure that:

v

The display device driver is installed correctly.

v

The display resolution and color depth are correctly set.

v

The monitor type is correct.

To check these settings, do as follows:

For Windows 98 or Windows 2000:

1.

Click Start

Settings

control Panel

.

2.

Double-click the Display icon.

3.

Click the Settings tab.

4.

Check whether the color depth and resolution are correctly set.

5.

Click Advanced...

6.

Click the Adapter tab.

7.

Make sure “RAGE MOBILITY-M PCI” is shown in the adapter information
window.

8.

Click the Monitor tab. (For Windows 2000, it is shown as “ATI RAGE
MOBILITY-M PCI”.)

9.

Make sure the information is correct.

For Windows NT:

1.

Click Start

Settings

control Pane

l.

2.

Double-click the Display icon.

3.

Click the Settings tab.

4.

Check if the color depth and resolution are correctly set.

5.

Click Display Type...

6.

Make sure “RAGE MOBILITY-M PCI” is shown in the Display Type
window.

7.

Click OK.

8.

Click the Test button in the Settings window.

9.

Make sure the output is displayed correctly.

Solving computer problems

Chapter 2. Solving computer problems

21

Содержание ThinkPad i Series 1800

Страница 1: ...ThinkPad A21e Service and Troubleshooting Guide...

Страница 2: ...ce the risk of fire use only No 26 AWG or thicker telephone cable v The fluorescent lamp in the LCD contains mercury Do not put it in trash that is disposed of in landfills Rough handling or dropping...

Страница 3: ...d share your own advice Customize your ThinkPad with accessories software and services A one click guide to service on the Web for your ThinkPad Your gateway into a comprehensive help system offering...

Страница 4: ...nd information about your ThinkPad computer and its features by using the Quick Search or clicking one of the topics shown This opens another window where you can view hundreds of help topics by brows...

Страница 5: ...n brief video clips that show you how to perform certain tasks such as replacing your battery inserting a PC card or upgrading your memory Use the controls shown to play pause and rewind the video cli...

Страница 6: ...vi ThinkPad A21e Service and Troubleshooting Guide...

Страница 7: ...r 3 Getting help and service from IBM 33 Getting help and service 34 Getting help on the Web 34 Getting help by fax 35 Calling IBM 35 Appendix A Important safety instructions 39 Modem safety informati...

Страница 8: ...viii ThinkPad A21e Service and Troubleshooting Guide...

Страница 9: ...Chapter 1 Overview of your new ThinkPad computer Your ThinkPad at a glance 2 Features 3 Specifications 5 Caring for your ThinkPad computer 6 Copyright IBM Corp 2000 1...

Страница 10: ...Your ThinkPad at a glance Your ThinkPad at a glance 2 ThinkPad A21e Service and Troubleshooting Guide...

Страница 11: ...TFT technology v Size 12 1 13 3 or 14 1 inch depending on the model v Resolution LCD Up to 1024 by 768 depending on the model External monitor Up to 1600 by 1200 v Brightness control Keyboard v 84 key...

Страница 12: ...v Line in jack v Microphone jack v Universal Serial Bus USB connector v RJ11 telephone connector available if the modem Mini PCI Card or the Combo Mini PCI Card is installed v RJ45 Ethernet connector...

Страница 13: ...2438 m 8000 ft Maximum operating temperature 31 3 C 88 F Note When you charge the battery pack its temperature must be at least 10 C 50 F v Relative humidity Operating with no diskette in the drive 8...

Страница 14: ...ation from plastic bags v Keep your computer away from magnets activated cellular phones electrical appliances or speakers within 13cm 5 in v Avoid subjecting your computer to extreme temperatures bel...

Страница 15: ...you are an administrator remember that setting a supervisor password can prevent unauthorized initialization or changing of hard disk drive passwords Other important tips v Your computer modem may us...

Страница 16: ...ble v If you exchange drives in your computer reinstall the plastic bezel faces if supplied v Store your external and removable hard disk diskette CD ROM and DVD ROM drives in the appropriate containe...

Страница 17: ...power switch problem 15 Keyboard problems 15 TrackPoint problems 16 Standby or hibernation problems 17 Computer screen problems 21 Battery problems 22 Hard disk drive problems 23 Other problems 24 Sta...

Страница 18: ...time to run the entire test do not interrupt the test while it is running The Quick Test set runs many tests of critical hardware components but it does not run all of the diagnostic test in PC Docto...

Страница 19: ...Have the computer serviced 0190 Critical low battery error The computer turned off because the battery is low Connect the ac adapter to the computer and charge the battery pack or replace the battery...

Страница 20: ...y an application program The computer uses the default settings Run the BIOS Setup Utility to reconfigure the settings If you still see the same error code have the computer serviced 0252 Password che...

Страница 21: ...r DOS applications To expand the screen image to the same size as the actual screen start the ThinkPad Configuration Program and click LCD then select the Screen expansion function The image may still...

Страница 22: ...set press any key to display the power on password prompt and then type the correct password and press Enter If the power on password prompt does not appear the brightness control lever might be set...

Страница 23: ...IBM will not reset your password You must take your computer to an IBM reseller or IBM marketing representative to have the system board replaced Proof of purchase is required and an additional charg...

Страница 24: ...on the keyboard still do not work have the computer serviced Problem A number appears when you type a letter Solution The numeric lock function is on To disable it press and hold Shift then press NumL...

Страница 25: ...not contain device drivers refer to the ThinkPad Service Support Web site To access this Web site open Access ThinkPad by pressing the ThinkPad button then click the Service Support image on the right...

Страница 26: ...Solution The computer automatically enters standby or hibernation mode when the battery is depleted Do one of the following v Replace the battery with a fully charged one and then press Fn v Connect t...

Страница 27: ...indows 98 The generic CD ROM or DVD ROM driver for Windows 98 accesses the internal CD ROM drive or DVD ROM drive every 3 seconds to see if a CD ROM is inserted in the CD ROM drive or DVD ROM drive Th...

Страница 28: ...u are using one of the IBM communication PC Cards To enter hibernation mode stop the communication program and then remove the PC Card or disable the PC Card slot using the Control Panel For Windows N...

Страница 29: ...ngs tab 4 Check whether the color depth and resolution are correctly set 5 Click Advanced 6 Click the Adapter tab 7 Make sure RAGE MOBILITY M PCI is shown in the adapter information window 8 Click the...

Страница 30: ...tart DVD playback or You get poor playback or non at all while running video playback DVD playback or a game Solution Do either of the following v If you are using the computer display and an external...

Страница 31: ...hot If it feels hot remove it from the computer and allow it to cool to room temperature After it cools reinstall it and recharge the battery If it still cannot be charged in 12 hours have it serviced...

Страница 32: ...n the IBM BIOS Setup Utility is set so that the computer starts from the device you want Also make sure that the device from which the computer starts is enabled by checking there is no mark preceding...

Страница 33: ...creen press F1 If you have set a supervisor password the IBM BIOS Setup Utility menu appears after you enter the password You can start the utility by pressing Enter instead of the supervisor password...

Страница 34: ...drive will be lost in the recovery process Be sure to back up copies of the files you have saved on your C drive before you begin Note You might need to use a CD ROM drive or a diskette drive in the r...

Страница 35: ...the F1 key to start the BIOS Setup Utility b With the cursor key select Startup then press Enter c Select Boot by pressing Enter d With the cursor key select ATAPI CD ROM Drive e Press F6 repeatedly u...

Страница 36: ...ows 2000 Professional or Windows NT Workstation you will be prompted to select the appropriate operating system setting This menu does not appear for Windows 98 SE 4 Select System Utilities from the m...

Страница 37: ...hock v Do not apply pressure to the cover of the drive v Do not touch the connector The drive is very sensitive Incorrect handling can cause damage and permanent loss of data on the hard disk Before r...

Страница 38: ...rd disk drive 8 Insert the hard disk drive and its cover into the hard disk drive bay then firmly install them Note Make sure that the label on the hard disk drive faces to the bottom of the computer...

Страница 39: ...he computer 2 Close the computer display and turn the computer over 3 Slide the battery latch to the unlock position 1 then remove the battery 2 4 Align the left side of the spare battery with the lef...

Страница 40: ...Replacing the battery 32 ThinkPad A21e Service and Troubleshooting Guide...

Страница 41: ...Chapter 3 Getting help and service from IBM Getting help and service 34 Getting help on the Web 34 Getting help by fax 35 Calling IBM 35 Copyright IBM Corp 2000 33...

Страница 42: ...directory or you can contact the IBM HelpCenter Some fees might apply Getting help on the Web On the World Wide Web the IBM Web site has up to date information about IBM Personal Computer products an...

Страница 43: ...lem v IBM hardware repair If the problem is determined to be caused by IBM hardware under warranty trained service personnel are available to provide the applicable level of service v Engineering chan...

Страница 44: ...ion for your system Telephone numbers Note Telephone numbers are subject to change without notice For the latest list of IBM HelpCenter telephone numbers and hours of operation visit the Support Web s...

Страница 45: ...Netherlands Dutch 020 504 0501 New Zealand English 0800 446 149 Norway Norwegian 23 05 32 40 Peru Spanish 349 0050 Portugal Portuguese 21 791 51 47 Spain Spanish 91 662 4916 Sweden Swedish 08 751 52 2...

Страница 46: ...Getting help and service 38 ThinkPad A21e Service and Troubleshooting Guide...

Страница 47: ...of this product or attached devices The 3 pin power cord must be used with a properly grounded outlet Turn everything OFF Turn everything OFF First attach all cables to devices First remove the power...

Страница 48: ...ot expose it to water or rain v Do not attempt to disassemble it v Do not short circuit it v Keep it away from children Do not put the battery pack in trash that is disposed of in landfills When dispo...

Страница 49: ...lations The LCD is made of glass and rough handling or dropping the computer can cause the LCD to break If the LCD breaks and the internal fluid gets into your eyes or on your hands immediately wash t...

Страница 50: ...requirements of the Department of Health and Human Services 21 Code of Federal Regulations DHHS 21 CFR Subchapter J for Class I laser products In other countries the drive is certified to conform to t...

Страница 51: ...visible and invisible laser radiation when open Avoid direct eye exposure Do not stare into the beam or view it directly with optical instruments Save these instructions Appendix A Important safety in...

Страница 52: ...44 ThinkPad A21e Service and Troubleshooting Guide...

Страница 53: ...term Machine means an IBM machine its features conversions upgrades elements or accessories or any combination of them The term Machine does not include any software programs whether pre loaded with t...

Страница 54: ...THER WARRANTIES OR CONDITIONS EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE THESE WARRANTIES GIVE YOU SPE...

Страница 55: ...nversion or upgrade Many features conversions or upgrades involve the removal of parts and their return to IBM A part that replaces a removed part will assume the warranty service status of the remove...

Страница 56: ...e claim This limit also applies to IBM s suppliers and your reseller It is the maximum for which IBM its suppliers and your reseller are collectively responsible UNDER NO CIRCUMSTANCES IS IBM LIABLE F...

Страница 57: ...ne without charge under the type of service designated for the Machine and will manage and install engineering changes that apply to the Machine If a Machine does not function as warranted during the...

Страница 58: ...replacement becomes yours You represent that all removed items are genuine and unaltered The replacement may not be new but will be in good working order and at least functionally equivalent to the i...

Страница 59: ...may arise where because of a default on IBM s part or other liability you are entitled to recover damages from IBM In each such instance regardless of the basis on which you are entitled to claim dama...

Страница 60: ...the supply of equivalent goods Where that condition or warranty relates to right to sell quiet possession or clear title or the goods are of a kind ordinarily acquired for personal domestic or househo...

Страница 61: ...rom either 1 an IBM reseller approved to perform warranty service or 2 from IBM If you purchased an IBM Personal Computer Machine in Albania Armenia Belarus Bosnia and Herzegovina Bulgaria Croatia Cze...

Страница 62: ...chines is six months In case IBM or your reseller are unable to repair an IBM Machine you can alternatively ask for a partial refund as far as justified by the reduced value of the unrepaired Machine...

Страница 63: ...00 or 125 percent of the charges if recurring the 12 months charges apply for the Machine that is the subject of the claim or which otherwise gives rise to the claim Applicability of suppliers and res...

Страница 64: ...death or personal injury or physical damage to your real property solely caused by IBM s negligence 2 the amount of any other actual direct damages or loss up to the greater of Pounds Sterling 150 000...

Страница 65: ...k NY 10504 1785 U S A Processing date data This IBM hardware product and IBM software products that might be packaged with it have been designed when used in accordance with their associated documenta...

Страница 66: ...terference by one or more of the following measures v Reorient or relocate the receiving antenna v Increase the separation between the equipment and receiver v Connect the equipment into an outlet on...

Страница 67: ...mmission FCC and Telephone Company Requirements Part 68 of the FCC Rules 1 The Telephone Consumer Protection Act of 1991 makes it unlawful for any person to use a computer or other electronic device t...

Страница 68: ...mation The telephone company may ask you to disconnect this equipment from the network until the problem has been corrected or until you are sure the equipment is not malfunctioning 7 No customer repa...

Страница 69: ...ns may give the telecommunications company cause to request the user to disconnect the equipment Users should ensure for their own protection that the electrical ground connections of the power utilit...

Страница 70: ...t s assurer que tous les fils de mise la terre de la source d nergie lectrique des lignes t l phoniques et des canalisations d eau m talliques s il y en a sont raccord s ensemble Cette pr caution est...

Страница 71: ...hall be set to operate within the following limits for compliance with Telecom s specifications v There shall be no more than 10 call attempts to the same number within any 30 minute period for any si...

Страница 72: ...Union countries Hereby Ambit declares that this J07M041 00 modem is in conformity with the essential requirements and other relevant provisions of Directive 1999 5 EC 64 ThinkPad A21e Service and Tro...

Страница 73: ...ows NT are trademarks of Microsoft Corporation in the United States and or other countries Intel and Celeron are trademarks of Intel Corporation in the United States and or other countries For a compl...

Страница 74: ...66 ThinkPad A21e Service and Troubleshooting Guide...

Страница 75: ...sk problems 23 upgrading 29 hibernation problems 17 I IBM help iii K keyboard problems 15 O on board help iii P password problems 15 PC Doctor for Windows 10 power switch problems 15 problems troubles...

Страница 76: ...68 ThinkPad A21e Service and Troubleshooting Guide...

Страница 77: ......

Страница 78: ...Part Number 12P1906 1P P N 12P1906...

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