Chapter 2. Solving computer problems
Diagnosing problems . . . . . . . . .14
Troubleshooting . . . . . . . . . . .14
Error messages . . . . . . . . . .14
Errors without messages . . . . . . .19
A password problem . . . . . . . .20
A power switch problem . . . . . . .21
Keyboard problems . . . . . . . .21
UltraNav problems . . . . . . . . .22
Standby or hibernation problems . . . .23
Computer screen problems . . . . . .26
Battery problems . . . . . . . . .27
Hard disk drive problems . . . . . .28
A startup problem . . . . . . . . .29
Fingerprint authentication problems . . .30
Other problems . . . . . . . . . .30
Starting BIOS Setup Utility . . . . . . .33
Recovering pre-installed software . . . . .34
Upgrading the hard disk drive . . . . . .35
Replacing the battery . . . . . . . . .40
© Lenovo 2005. Portions © IBM Corp. 2005. 13