Lenovo ThinkPad T42 (Greek) Service and Troubleshooting guide for the ThinkPad - Page 33

Solving, computer, problems

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Chapter 2. Solving computer problems Diagnosing problems 12 Troubleshooting 12 Error messages 12 Errors without messages 17 A password problem 19 A power switch problem 19 Keyboard problems 19 UltraNav problems 20 Standby or hibernation problems . . . . 21 Computer screen problems 25 Battery problems 27 Hard disk drive problems 28 A startup problem 28 Fingerprint authentication problems . . . 30 Other problems 31 Starting BIOS Setup Utility 35 Recovering pre-installed software . . . . . 36 For ThinkPad T41/41p Series computer . . 36 For other ThinkPad T40 Series computer 37 Upgrading the hard disk drive 38 Replacing the battery 40 © Copyright Lenovo 2005. © Portions Copyright IBM Corp. 2005. 11

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Chapter
2.
Solving
computer
problems
Diagnosing
problems
.
.
.
.
.
.
.
.
. 12
Troubleshooting
.
.
.
.
.
.
.
.
.
.
. 12
Error
messages
.
.
.
.
.
.
.
.
.
. 12
Errors
without
messages
.
.
.
.
.
.
. 17
A
password
problem
.
.
.
.
.
.
.
. 19
A
power
switch
problem
.
.
.
.
.
.
. 19
Keyboard
problems
.
.
.
.
.
.
.
. 19
UltraNav
problems
.
.
.
.
.
.
.
.
. 20
Standby
or
hibernation
problems
.
.
.
. 21
Computer
screen
problems
.
.
.
.
.
. 25
Battery
problems
.
.
.
.
.
.
.
.
. 27
Hard
disk
drive
problems
.
.
.
.
.
. 28
A
startup
problem
.
.
.
.
.
.
.
.
. 28
Fingerprint
authentication
problems
.
.
. 30
Other
problems
.
.
.
.
.
.
.
.
.
. 31
Starting
BIOS
Setup
Utility
.
.
.
.
.
.
. 35
Recovering
pre-installed
software
.
.
.
.
. 36
For
ThinkPad
T41/41p
Series
computer
.
. 36
For
other
ThinkPad
T40
Series
computer
37
Upgrading
the
hard
disk
drive
.
.
.
.
.
. 38
Replacing
the
battery
.
.
.
.
.
.
.
.
. 40
©
Copyright
Lenovo
2005.
©
Portions
Copyright
IBM
Corp.
2005.
11