Chapter
2.
Solving
computer
problems
Diagnosing
problems
.
.
.
.
.
.
.
.
.12
Troubleshooting
.
.
.
.
.
.
.
.
.
.
.13
Error
messages
.
.
.
.
.
.
.
.
.
.13
Errors
without
messages
.
.
.
.
.
.
.17
A
password
problem
.
.
.
.
.
.
.
.18
A
power
switch
problem
.
.
.
.
.
.
.18
Keyboard
problems
.
.
.
.
.
.
.
.19
TrackPoint
problems
.
.
.
.
.
.
.
.19
Standby
or
hibernation
problems
.
.
.
.20
Computer
screen
problems
.
.
.
.
.
.22
Battery
problems
.
.
.
.
.
.
.
.
.24
Hard
disk
drive
problems
.
.
.
.
.
.25
Startup
problems
.
.
.
.
.
.
.
.
.26
Other
problems
.
.
.
.
.
.
.
.
.
.27
Starting
IBM
BIOS
Setup
Utility
.
.
.
.
.30
Recovering
pre-installed
software
.
.
.
.
.32
Replacing
the
hard
disk
drive
.
.
.
.
.
.33
Replacing
the
battery
.
.
.
.
.
.
.
.
.36
©
Copyright
IBM
Corp.
2004
11