Lenovo ThinkPad T21 English - 46L4325 - ThinkPad T20, T21User's Reference guid - Page 33

Solving computer problems

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Chapter 3. Solving computer problems Troubleshooting 18 Error codes or messages 18 No error codes or messages 22 Power switch problem 22 Input problems 23 Standby or hibernation problems 25 LCD problems 28 Battery problems 30 Hard-disk-drive problems 31 Software problems 32 Other problems 34 Testing your computer 35 Backing up your system 35 Backing up your system configuration 35 Backing up your data 36 Recovering lost or damaged software 37 Using the Recovery CD 37 Using the Software Selections CD 38 Getting service 40 ThinkPad Web site 41 Recording sheets 42 © Copyright IBM Corp. 2000 17

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Chapter 3.
Solving computer problems
Troubleshooting
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
18
Error codes or messages
....................
18
No error codes or messages
..................
22
Power switch problem
......................
22
Input problems
. . . . . . . . . . . . . . . . . . . . . . . . . . .
23
Standby or hibernation problems
................
25
LCD problems
. . . . . . . . . . . . . . . . . . . . . . . . . . .
28
Battery problems
. . . . . . . . . . . . . . . . . . . . . . . . .
30
Hard-disk-drive problems
. . . . . . . . . . . . . . . . . . . . .
31
Software problems
. . . . . . . . . . . . . . . . . . . . . . . .
32
Other problems
. . . . . . . . . . . . . . . . . . . . . . . . . .
34
Testing your computer
........................
35
Backing up your system
.......................
35
Backing up your system configuration
.............
35
Backing up your data
.......................
36
Recovering lost or damaged software
.............
37
Using the Recovery CD
....................
37
Using the Software Selections CD
..............
38
Getting service
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
40
ThinkPad Web site
........................
41
Recording sheets
. . . . . . . . . . . . . . . . . . . . . . . . .
42
Copyright IBM Corp. 2000
17