Chapter 2. Solving computer problems
Diagnosing problems .
.
.
.
.
.
.
.
. 12
Troubleshooting .
.
.
.
.
.
.
.
.
.
. 13
Error messages .
.
.
.
.
.
.
.
.
. 13
Errors without messages .
.
.
.
.
.
. 16
Password problems
.
.
.
.
.
.
.
. 17
A power switch problem .
.
.
.
.
.
. 17
Keyboard problems
.
.
.
.
.
.
.
. 18
TrackPoint problems .
.
.
.
.
.
.
. 19
Standby or hibernation problems .
.
.
. 20
Computer screen problems .
.
.
.
.
. 24
Battery problems
.
.
.
.
.
.
.
.
. 25
Hard disk drive problems .
.
.
.
.
. 26
Other problems .
.
.
.
.
.
.
.
.
. 27
Starting BIOS Setup Utility .
.
.
.
.
.
. 28
Recover pre-installed software .
.
.
.
.
. 29
Upgrading the hard disk drive .
.
.
.
.
. 32
Replacing the battery .
.
.
.
.
.
.
.
. 34
© Copyright IBM Corp. 2001
11
Summary of Contents for ThinkPad A22
Page 1: ...ThinkPad A22 Service and Troubleshooting Guide ...
Page 2: ......
Page 3: ...ThinkPad A22 Service and Troubleshooting Guide ...
Page 8: ...vi ThinkPad A22 Service and Troubleshooting Guide ...
Page 10: ...viii ThinkPad A22 Service and Troubleshooting Guide ...
Page 12: ...Your ThinkPad at a glance Front view Rear view ...
Page 20: ...Caring for your ThinkPad computer 10 ThinkPad A22 Service and Troubleshooting Guide ...
Page 50: ...Getting help and service 40 ThinkPad A22 Service and Troubleshooting Guide ...
Page 56: ...46 ThinkPad A22 Service and Troubleshooting Guide ...
Page 78: ...68 ThinkPad A22 Service and Troubleshooting Guide ...
Page 80: ...70 ThinkPad A22 Service and Troubleshooting Guide ...
Page 81: ......