Lenovo G40 Series Laptop User Manual


 
Chapter 2. Solving computer problems
Diagnosing problems . . . . . . . . .12
Troubleshooting . . . . . . . . . . .12
Error messages . . . . . . . . . .12
Errors without messages . . . . . . .17
A password problem . . . . . . . .18
A power switch problem . . . . . . .19
Keyboard problems . . . . . . . .19
TrackPoint problems . . . . . . . .20
Standby or hibernation problems . . . .21
Computer screen problems . . . . . .23
Battery problems . . . . . . . . .25
Hard disk drive problems . . . . . .25
A startup problem . . . . . . . . .26
Other problems . . . . . . . . . .28
Starting BIOS Setup Utility . . . . . . .30
Recovering pre-installed software . . . . .31
Upgrading the hard disk drive . . . . . .32
Replacing the battery . . . . . . . . .34
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