Lenovo ThinkPad T22 T22 Service and Troubleshooting Guide
Lenovo ThinkPad T22 Manual
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- Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 1
ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 2
this product or attached devices. Use the power cord with a properly grounded outlet. v Do not leave the base of your computer in contact with your lap or any part of your body for an extended period when the computer is functioning or when the battery is charging. Your computer dissipates some heat - Lenovo ThinkPad T22 | T22 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. 2001 - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 4
for 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® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 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 T22 | T22 Service and Troubleshooting Guide - Page 6
vi ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 7
Computer screen problems 22 Battery problems 23 Hard disk drive problems 24 Other problems 25 Starting BIOS Setup Utility 27 Recover pre-installed software 28 Upgrading the hard disk drive 31 Replacing the battery 33 Chapter 3. Getting help and service from IBM 35 Getting help and service - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 8
viii ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 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. 2001 1 - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 10
Your ThinkPad at a glance Your ThinkPad at a glance Front view Rear view 2 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 11
Features Processor v Intel® Pentium® III processor Memory v Built-in: 128 MB v Maximum: 512 MB Storage device v 2.5-inch hard disk drive: Up to 32 GB, depending on the 89-key v TrackPoint® v Fn key function v ThinkPad button v Volume control buttons v ThinkLight™ Chapter 1. Overview of your new - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 12
drives, use high-quality diskettes (such as IBM 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® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 13
Specifications Specifications Size v Width: 304.8 mm (12.0 in.) v Depth: 248.9 mm (9.8 in.) v Height: 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 - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 14
is in standby or hibernation mode, or turned off, before moving it. This will prevent damage to the 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® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 15
replacing your hard disk drive (open Access ThinkPad by pressing the ThinkPad button). Take care in setting passwords v Remember your passwords. If you forget a supervisor or hard disk password, IBM will not reset it, and you may have to replace your system board or hard disk drive Ethernet connector - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 16
replacing a device in a device bay, or else verify that the device is warm- or hot-swappable. v If you exchange drives in your computer, reinstall the plastic bezel faces (if supplied). v Store your external and removable hard with a dry, soft cloth. 8 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 17
11 Error messages 11 Errors without messages 14 Password problems 15 A power switch problem 16 Keyboard problems 16 TrackPoint problems 17 Standby or hibernation problems . . . . 18 Computer screen problems 22 Battery problems 23 Hard disk drive problems 24 Other problems 25 Starting BIOS - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 18
the Quick Test set have been run and that it has found no problems, consider running additional 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® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 19
password to return your computer to the normal operation. 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 menu. Chapter 2. Solving computer problems - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 20
it. Then test the memory with PC-Doctor. 0250: System battery error The system battery is dead. Replace the battery and run IBM BIOS Setup Utility to verify the configuration. If you still have a problem, have the computer serviced. 0251: System CMOS checksum bad The system CMOS might have been - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 21
serviced. The hard disk password A hard disk password is set. Type the password and press Enter to use the prompt computer. The DOS full-screen looks smaller. Hibernation error If you still see the same error message, have the computer serviced. If you use a DOS application that supports - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 22
, make sure that: v The battery is installed correctly. v The ac adapter is connected to the computer and the power cord is plugged into a working electrical outlet. v The computer power is on. (Turn on the power switch again for confirmation.) 14 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 23
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 take your computer to an IBM reseller or IBM marketing Chapter 2. Solving computer problems 15 - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 24
numeric lock function is on. To disable it, press and hold Shift; then press NumLk. Problem: All or some keys on the external numeric keypad do not work. Solution: Make sure that the external numeric keypad is correctly connected to the computer. 16 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 25
is connected to the correct side of the keyboard/mouse cable or the ThinkPad Dock. If these connections are correct, disconnect the keyboard/mouse cable TrackPoint is pressed for a long time. v When the temperature changes. Problem: The cursor does not work for a while after the settings in the - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 26
computer serviced. Problem: A message critical low-battery error appears, and the computer immediately turns off. Solution: The battery power is getting low. Connect the ac adapter to the computer, or replace the battery with a fully charged one. 18 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 27
or hibernation mode when the battery is depleted. Connect the ac adapter to the computer; then press Fn. Problem: When you are using the a long time. The computer queries the Ethernet until the timeout timer stops the query. If you want to access an Ethernet, connect the network cable. If you are - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 28
ROM driver for Windows 98 accesses the internal CD-ROM or DVD-ROM drive Services\Cdrom\ Autorun: 0x1 > Autorun: 0 Problem: The Fn+F12 key combination does not cause the computer enter hibernation mode. Solution: Enable hibernation mode as follows: 20 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 29
Solving computer problems For Windows 98: 1. Start the ThinkPad Configuration program. 2. Click Power Management . 3. Click the Hibernation tab. 4. Click the Enable hibernation... button. 5. Click the Create Now button. If you are using one of the IBM communication PC Cards, the computer cannot - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 30
resolution are correctly set 3. Click Display Type... 4. Make sure ″S3 Inc. Savage/IX Display Driver″ is shown in the Display Type window. 5. Click OK. 6. Click the Test button in the Settings window. 7. Make sure the output is displayed correctly. 22 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 31
system or application program correctly? If they are installed and configured correctly, have the computer serviced. Problem: The screen stays on even after you turn off your computer. Solution: Press and hold the power switch for 4 seconds or over to turn off your computer; then turn it on again - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 32
does not work. Solution: In the startup menu in IBM BIOS Setup Utility, make sure that there is no exclamation point ! to the left of the hard disk drive. If there is such a mark, the hard disk drive is disabled. Clear the mark to enable the drive. 24 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 33
. Refer to the ThinkPad Configuration Program. Problem: Windows NT does not start; however, the message saying that Windows NT is loading remains on the screen. Solution: The USB setting may have been changed to Enabled. If so, it may cause a conflict in allocating memory resources during startup - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 34
Solving computer problems 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. 26 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 35
at the lower-left of the screen, 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; then, however, you cannot change any parameters that are protected - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 36
a Recovery Repair diskette to get access to the Product Recovery 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. 28 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 37
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 the F1 key to start the BIOS Setup Utility. b. With the cursor key, select Startup - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 38
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. 30 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 39
increase the storage capacity of your computer by replacing the 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 only if you upgrade it or have it repaired. The connectors - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 40
the screw. Note: You can replace the coin screw with a security screw to prevent the hard disk drive from being removed easily. The security screw may battery. 11. Turn the computer over again. Connect the ac adapter and the cables to the computer. 32 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 41
Replacing the battery Replacing the battery 1. Turn off the computer, or enter hibernation mode. Then disconnect the ac adapter and all cables from the computer. Note: If you are using a PC Card, the computer may not be able to enter hibernation mode. If this happens, turn off the computer. 2. Close - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 42
Replacing the battery 34 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 43
Chapter 3. Getting help and service from IBM Getting help and service 36 Getting help on the Web 36 Getting help by fax 37 Calling IBM 37 © Copyright IBM Corp. 2001 35 - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 44
e-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 36 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 45
covered: v Replacement or use 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 - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 46
Danish Spanish Finnish French German 623-2300 35 25 02 91 2-565-130 9-22 931 840 01-69 32 40 40 069-6654 9040 38 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 47
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 39 - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 48
Getting help and service 40 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 49
OFF. First, attach all cables to devices. First, remove the power cord from the outlet. Attach the signal cables to receptacles. Remove signal cables from receptacles. Attach the power cord to an outlet. Remove all cables from devices. Turn the device ON. © Copyright IBM Corp. 2001 41 - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 50
, 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. 42 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 51
Electrical current from power, telephone, and communication cables in hazardous. CAUTION: When you have added or upgraded a Mini PCI Card or a memory card, do not telephone jacks in wet locations unless the jack is specifically designed for wet locations. Never touch uninsulated telephone wires or - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 52
laser 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: 44 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 53
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 45 - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 54
46 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 55
or your reseller. Machine - IBM ThinkPad T22 and the Battery Pack Warranty Period* : System = 3 years, Battery Pack = 1 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 - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 56
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. 48 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 57
an engineering-change level compatible with the feature, conversion, 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 removed part. Before IBM or your reseller - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 58
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 50 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 59
If you have any questions, contact IBM or your reseller. Machine - IBM ThinkPad T22 and the Battery Pack Warranty Period* -Three Years *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 - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 60
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 52 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 61
information contained in a Machine which you return to IBM or your reseller for any reason. You should remove all such information from the Machine prior to its return. Production Status Each IBM Machine is manufactured from new parts, or new and used parts. In some cases, the Machine may not be - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 62
APPLY TO YOU. Part 2 - Worldwide Country-Unique Terms ASIA PACIFIC AUSTRALIA: The IBM Warranty for Machines: The IBM is in breach of a condition or warranty implied by the Trade Practices Act 1974, IBM's liability is limited to the repair or replacement ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 63
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 specified: EGYPT: Limitation of Liability: The following replaces item 2 in this Section: Appendix B. Product warranties and notices 55 - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 64
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". 56 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 65
Sale of Goods and Supply of Services Act 1980, are hereby excluded. Limitation of Liability: The following replaces items one and two of the first paragraph of this Section: 1. death or personal injury or physical damage to your real property solely caused by IBM's negligence; 2. the amount of any - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 66
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 58 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 67
user's responsibility to evaluate and verify the operation of any non-IBM product, program, or service. IBM 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 IBM hardware product cannot prevent errors that - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 68
received, including interference that may cause undesired operation. Responsible Party: International Business Machines Corporation New Orchard Road Armonk, NY 10504 Telephone 1-919-543-2193 60 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 69
of non-IBM option cards. A declaration of Conformity with the requirements of the Directive has been signed by IBM United Kingdom 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 FCC - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 70
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.) 62 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 71
with a single line individual service may be extended by means of a certified connector assembly (telephone extension cord). The customer should be aware the user to disconnect the equipment. Users should ensure for their own protection that the electrical ground connections of the power utility, - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 72
. Notice for Users in New Zealand 1. The grant of a Telepermit for any item of terminal equipment indicates only that Telecom has accepted that the item complies with minimum conditions for connection to its network. It indicates no endorsement of 64 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 73
is compatible with all of Telecom's network services. 2. This equipment is not capable under telephone, not dependent on local power is available for emergency use specifications: v There shall be no more than 10 call attempts to the same number within any 30-minute period for any single manual - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 74
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. 66 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 75
the United States or other countries or both: IBM HelpCenter PS/2 ThinkPad TrackPoint Ultrabay UltraPort Microsoft, Windows, and Windows NT .com/tradmarx.htm) Other company, product, or service names may be the trademarks or service marks of others. Appendix B. Product warranties and notices 67 - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 76
68 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 77
help by 37 H hard disk problems 24 upgrading 31 hibernation problems 18 I IBM help iii K keyboard problems 16 O on-board help iii P password problems 15 PC-Doctor for Windows 10 power switch problems 16 problems, troubleshooting 11 R recovering software 28 S safety instruction 41 standby problems 18 - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 78
70 ThinkPad® T22 Service and Troubleshooting Guide - Lenovo ThinkPad T22 | T22 Service and Troubleshooting Guide - Page 79
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Part Number: 27P2093 (1P) P/N: 27P2093
ThinkPad
®
T22
Service and Troubleshooting Guide
IBM