Lenovo ThinkPad 770Z English - A21e(2655) Service and Troubleshooting Guide
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- Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 1
ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 2
supports, be sure to read the general information under "Appendix A. Important safety instructions part of your body for an extended period when the computer is functioning or when the battery ROM or DVD drive unit, as this might result in hazardous radiation of the publication. IBM may make improvements and - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 3
accessories, software and services. A one-click guide to service on the Web for your ThinkPad. Your gateway into a comprehensive help system, offering information about all of your ThinkPad computer hardware and software features. A quick way to search the help system. © Copyright IBM Corp. 2000 - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 4
your presentation v Use passwords and other security features v Install, remove and recover software v Upgrade your system v Extend the life of your battery v Troubleshoot problems v Contact IBM for service and support v Perform many other tasks iv ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 5
Some of the topics in your help system contain 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 clip. Finding information with Access ThinkPad v - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 6
vi ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 7
screen problems 21 Battery problems 22 Hard disk drive problems 23 Other problems 24 Starting BIOS Setup Utility 25 Recover pre-installed software 26 Upgrading the hard disk drive 29 Replacing the battery 31 Chapter 3. Getting help and service from IBM 33 Getting help and service 34 - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 8
viii ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 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 - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 10
Your ThinkPad at a glance Your ThinkPad at a glance 2 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 11
Features Processor v Intel® Celeron™ processor Memory v Built-in: 64 MB v Maximum: 256 MB Storage device v 2.5-inch hard disk drive: 20 GB Display The color display v TrackPoint® v Fn key function v ThinkPad button v Volume control buttons v ThinkLight Features Chapter 1. Overview of your new - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 12
telephone connector (available if the modem Mini-PCI Card or the Combo Mini-PCI Card is installed) v RJ45 Ethernet connector (available if the Ethernet Mini-PCI Card or the Combo Mini-PCI Card is installed) v Ultrabay™ 2000 v Expansion connector 4 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 13
- 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% to 95% - Operating with a diskette in the drive: 8% to 80% Heat output v 72 W (246 Btu/hr) maximum - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 14
or any part of your body for an extended period when the computer is functioning or when the battery is hard disk drive and data loss. v When picking up your open computer, hold it by the bottom. Do not pick up or hold your computer by the display. 6 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 15
drive, follow the instructions shipped with your hardware, and apply pressure only where needed on the device. See Access ThinkPad, your on-board help system, for information on replacing your hard disk drive (open Access ThinkPad by pressing the ThinkPad have both an Ethernet connector and a modem - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 16
for your ThinkPad computer v Only an authorized IBM ThinkPad repair technician supplied). v Store your external and removable hard disk, diskette, CD-ROM, and DVD-ROM drives in the appropriate containers or packaging when they dry, soft cloth. 8 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 17
problems 16 Standby or hibernation problems . . . . 17 Computer screen problems 21 Battery problems 22 Hard disk drive problems 23 Other problems 24 Starting BIOS Setup Utility 25 Recover pre-installed software 26 Upgrading the hard disk drive 29 Replacing the battery 31 © Copyright IBM - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 18
Quick Test set have been run and that it has found no problems, consider running addi-tional tests. If you are preparing to contact IBM for support, be sure to print the test log so that you can rapidly provide information to the help technician. 10 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 19
to the computer and charge the battery pack, or replace the battery pack with a fully charged one. 0200: Hard disk error The hard disk is not working. Make sure the hard disk drive is attached firmly. Run the BIOS Setup Utility; then make sure the hard disk drive is not disabled in the Startup - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 20
computer on, reinstall it. Then test the memory with PC-Doctor. 0250: System battery error The system battery is dead. Replace the battery and run the IBM BIOS Setup Utility to verify the configuration. If you still have a problem, have the computer serviced. 0251: System CMOS checksum bad The - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 21
the following: v The hard disk drive is correctly installed. v A startable diskette is in the diskette drive If you still see the same error message, check the boot sequence, using the BIOS Setup Utility. Fan error The cooling fan is failing. Have the computer serviced. EMM386 Not Installed - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 22
. ThinkPad A21e supports a memory size of equal or less than 256MB. Shut down the system and remove the installed DIMM. Press F1 to go to the IBM BIOS Setup Utility. Press F9 and then Enter to load the default setting. Press F10 and then Enter to restart the system. Errors without messages Problem - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 23
disk. You must take your computer to an IBM reseller or an IBM marketing representative to have the hard disk drive replaced. Proof of purchase is required, and an additional charge might be required for the service. If you forgot your supervisor password, IBM will not reset your password. You must - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 24
the connectors properly. If keys 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 pressed for a long time. v When the temperature changes. 16 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 25
on your hard disk drive. If your hard disk drive does 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 of the screen. Problem: The scrolling - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 26
. 4. Double-click Intel EtherExpress PRO PCI Adapter. 5. Select the Disable in this hardware profile check box. 6. Click OK. 7. Close all windows. 8. Restart the computer. 18 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 27
to disable your computer from entering standby or hibernation mode. Problem: The computer does not enter standby mode after the timeout 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 - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 28
\ CurrentControlSet\Services\Cdrom\ Autorun: 0x1 > Autorun: 0 Problem: 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. 20 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 29
: 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 - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 30
for 4 seconds or over to turn off your computer. Problem: Missing, discolored, or bright dots appear on the Charger is available, use it to charge the over-discharged battery. If the battery cannot be fully charged in 24 hours, use a new battery. 22 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 31
of a hard disk drive and is not a defect. Problem: The hard disk drive does not work. Solution: In the startup menu in the IBM BIOS Setup Utility, make sure that there is no exclamation point ! to the left of the words Hard Drive. If there is such a mark, the hard disk drive is disabled - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 32
BIOS Setup Utility menu appears. 2. With the cursor key, select Config; then press Enter. 3. Select USB by pressing Enter. 4. With the cursor key, select Disable; then press Enter. 5. Press F10 and Enter to save this setting and exit this utility. 24 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 33
" in Access ThinkPad. Open Access ThinkPad by pressing the ThinkPad button. Backing up your registry will save your computer's current configuration. 2. Remove any diskette from the diskette drive, and then turn off the computer. 3. Turn on the computer; then, while the " Press F1 for IBM BIOS Setup - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 34
program. 4. From the list displayed on the screen, select the operating system you want to recover. 5. Select the recovery options you want, and follow the instructions on the screen. 26 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 35
it. 2. Insert the Recovery CD into the CD-ROM or DVD-ROM drive. 3. Save all your files, and turn off your computer. 4. Change the boot sequence as follows: a. Turn on your computer; then while the Press F1 for IBM BIOS Setup Utility message is displayed at the lower left of the screen, press - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 36
Solving computer problems To create a Recovery Repair diskette The Recovery Repair diskette is used and turn off your computer. 2. Insert the Recovery Repair diskette into the drive; then turn on the computer. 3. Follow the on-screen instructions. 28 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 37
hard disk drive with one of greater capacity. You can purchase a new hard disk drive from your IBM reseller or IBM marketing representative. Note: Replace the hard disk drive computer over. 3. Remove the battery. 4. Remove the screw that secures the hard disk drive. You can use a coin in - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 38
install them. Note: Make sure that the label on the hard disk drive faces to the bottom of the computer. 9. Reinstall the screw. 10. Reinstall the battery. 11. Turn the computer over again. Connect the ac adapter and the cables to the computer. 30 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 39
spare battery with the left side of the battery space in the computer 1 ; then gently push the battery into the space 2 . 5. Slide the battery latch to the locked position. 6. Turn the computer over again. Connect the ac adapter and the cables to the computer. Chapter 2. Solving computer problems 31 - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 40
Replacing the battery 32 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 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 - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 42
mail notifications whenever new information becomes available about your registered products. You also can order publications through the IBM Publications Ordering System at www.elink.ibmlink.ibm.com/public/applications/publications/cgibin/pbi.cgi 34 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 43
of non-IBM parts or nonwarranted IBM parts Note: All warranted parts contain a 7-character identification in the format IBM FRU XXXXXXX v Identification of software problem sources v Configuration of BIOS as part of an installation or upgrade v Changes, modifications, or upgrades to device drivers - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 44
service If possible, be near your computer when you make your call in case the technical assistance representative needs to help you resolve a computer problem. Please ensure that you have downloaded the most current drivers and system updates 36 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 45
Dutch English Norwegian Spanish Portuguese Spanish Swedish German/ French/ Italian Mandarin English English Getting help and service Telephone Number 2825-6900 01-815 9202 02-482 9202 0120-887-870 298-977 5063 01 2725-9799 01475-555 055 1-800-772-2227 Chapter 3. Getting help and service from IBM 37 - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 46
Getting help and service 38 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 47
Appendix A. Important safety instructions DANGER Electric current from power, telephone, and communication cables is hazardous. To avoid shock hazard, connect and disconnect . Attach the power cord to an outlet. Remove all cables from devices. Turn the device ON. © Copyright IBM Corp. 2000 39 - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 48
, do not: (1) throw or immerse the battery into water, (2) allow it to heat to more than 100 °C (212 °F), or (3) attempt to repair or disassemble it. Dispose of it as required by local ordinances or regulations and your company's safety standards. 40 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 49
DANGER Follow the instruction below when installing or reconfiguring the Mini PCI option. To and communication cables in hazardous. CAUTION: When you have added or upgraded a Mini PCI Card or a memory card, do not use your computer until you have closed the cover. Never use the computer when the - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 50
system and the CD-ROM or DVD-ROM drive ensures that there is no exposure to laser radiation above a Class 1 level during normal operation, user maintenance, or servicing. Some drives contain an embedded Class 3A laser diode. Note this warning: 42 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 51
DANGER Emits 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 instructions 43 - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 52
44 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 53
your reseller. Machine - IBM ThinkPad A21e and the Battery Pack Warranty Period* -One Year *Elements and accessories are warranted for three months. Contact your place of purchase for warranty service information. The IBM Warranty for Machines IBM warrants that each Machine 1) is free from defects - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 54
OF ANY KIND. Warranty Service To obtain warranty service for the Machine, contact your reseller or IBM. In the United States, call IBM at 1-800-772-2227. In Canada, call IBM at 1-800 565-3344. You may be required to present proof of purchase. 46 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 55
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 removed part. Before IBM or your reseller exchanges a Machine or part, you agree to remove all features, parts, options, alterations, and attachments not - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 56
reseller. The 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 the Machine, installed 48 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 57
your reseller. Machine - IBM ThinkPad A21e and the Battery Pack Warranty Period* -One Year *Elements and accessories are warranted for three months. Contact your place of purchase for warranty service information. Some IBM Machines are eligible for On-site warranty service depending on the country - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 58
the Machine is free of any legal obligations or restrictions that prevent its exchange; 2. obtain authorization from the owner to have IBM or your reseller service a Machine that you do not own; and 3. where applicable, before service is provided 50 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 59
problem determination, problem analysis, and service request procedures that IBM or your reseller provides, b. secure all programs, data, and funds contained in a Machine, c. provide IBM return. Production Status Each IBM Machine is manufactured from new parts, or new and used parts. In some cases, - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 60
THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU. Part 2 - Worldwide Country-Unique Terms ASIA PACIFIC AUSTRALIA: The IBM Warranty for Machines: The following paragraph is added to this which cannot be excluded or limited. The Consumer 52 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 61
, Spain, Sweden, Switzerland or United Kingdom, you may obtain warranty service for that Machine in any of those countries from 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 - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 62
is added to this Section: The limitations and exclusions specified in the Statement of Warranty will not apply to damages caused by IBM with fraud or gross negligence and for express warranty. In item 2, replace "$100,000" with "1.000.000 DEM". 54 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 63
Sale of Goods Act 1893 or the Sale of Goods and Supply of Services Act 1980, are hereby excluded. Limitation of Liability: The following replaces 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, up to - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 64
Service: The following is added to this Section: To obtain warranty service from IBM, call 1-800-565-3344. UNITED STATES OF AMERICA: Warranty Service: The following is added to this Section: To obtain warranty service from IBM, call 1-800-772-2227 56 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 65
operation of any non-IBM product, program, or service. IBM may have patents or IBM Director of Licensing IBM Corporation North Castle Drive Armonk, NY 10504-1785 U.S.A. Processing date data This IBM hardware product and IBM their products and update them if needed. This IBM hardware product cannot - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 66
are not part of the materials for this IBM product, and use of those Web sites is at your own risk. Electronic emission notices Federal Communications Commission (FCC) Statement ThinkPad A21e, machine Road Armonk, NY 10504 Telephone 1-919-543-2193 58 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 67
of the Member States relating to electro-magnetic compatibility. IBM cannot accept responsibility for any failure to satisfy the to follow the installation instructions for your fax software package. 2. The built-in modem is built into the ThinkPad computer. It complies with Part 68 of the - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 68
individual. (The telephone number provided may not be a 900 number or any other number for which charges exceed local or long-distance transmission charges.) 60 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 69
must also be installed using an acceptable method of communication. In some cases, the company's inside wiring associated with a single line individual service may be extended by means of a certified connector assembly (telephone extension cord). The customer should be aware that compliance with the - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 70
que la conformité aux conditions énoncées ci-dessus n'empechent pas la dégradation du service dans certaines situations. Actuellement, les entreprises de télécommunication ne permettent pas que l'on raccorde network. It indicates no endorsement of 62 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 71
it imply that any product is compatible with all of Telecom's network services. 2. This equipment is not capable under all operation conditions of call attempts to the same number within any 30-minute period for any single manual call initiation. v The equipment shall go on-hook for a period of not - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 72
Notice for European 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 Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 73
the United States or other countries or both: IBM HelpCenter PS/2 ThinkPad TrackPoint Ultrabay Microsoft, Windows, and Windows NT are .intel.com/tradmarx.htm) Other company, product, or service names may be the trademarks or service marks of others. Appendix B. Product warranties and notices 65 - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 74
66 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 75
help by 35 H hard disk 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, troubleshooting 11 R recovering software 26 S safety instruction 39 standby problems 17 - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 76
68 ThinkPad® A21e Service and Troubleshooting Guide - Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 77
- Lenovo ThinkPad 770Z | English - A21e(2655) Service and Troubleshooting Guide - Page 78
Part Number: 12P1906 (1P) P/N: 12P1906
ThinkPad
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A21e
Service and Troubleshooting Guide
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