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Lenovo
THINKPAD T40
User Manual
Lenovo THINKPAD T40 User Manual
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Chapter
2.
Solving
computer
problems
Diagnosing
problems
.
.
.
.
.
.
.
.
. 12
Troubleshooting
.
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.
. 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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