Chapter
2.
Solving
computer
problems
Diagnosing
problems
.
.
.
.
.
.
.
.
. 10
Troubleshooting
.
.
.
.
.
.
.
.
.
.
. 10
Error
messages
.
.
.
.
.
.
.
.
.
. 10
Errors
without
messages
.
.
.
.
.
.
. 15
A
password
problem
.
.
.
.
.
.
.
. 16
A
power
switch
problem
.
.
.
.
.
.
. 17
Keyboard
problems
.
.
.
.
.
.
.
. 17
UltraNav
problems
.
.
.
.
.
.
.
.
. 18
Standby
or
hibernation
problems
.
.
.
. 19
Computer
screen
problems
.
.
.
.
.
. 23
Battery
problems
.
.
.
.
.
.
.
.
. 24
Hard
disk
drive
problems
.
.
.
.
.
. 25
A
startup
problem
.
.
.
.
.
.
.
.
. 26
Fingerprint
authentication
problems
.
.
. 27
Other
problems
.
.
.
.
.
.
.
.
.
. 27
Starting
IBM
BIOS
Setup
Utility
.
.
.
.
. 31
Recovering
pre-installed
software
.
.
.
.
. 32
Upgrading
the
hard
disk
drive
.
.
.
.
.
. 33
Replacing
the
battery
.
.
.
.
.
.
.
.
. 35
©
Copyright
IBM
Corp.
2004
9
Summary of Contents for ThinkPad T40
Page 1: ...ThinkPad T40 Series Service and Troubleshooting Guide ...
Page 2: ......
Page 3: ...ThinkPad T40 Series Service and Troubleshooting Guide ...
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