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Troubleshooting charts
Troubleshooting charts
If your computer has an error, it often displays a message or an error
code, or a beep sounds when you power it on. Go through the charts
and look for your problem. If you find the problem, go to the page
indicated and do the specified action.
Troubleshooting Chart Page
Error codes or screen messages 89
No error codes or screen messages 92
Input problems 93
Suspend or hibernation problems 95
LCD problems 96
Indicator problems 97
Battery problems 97
Hard disk drive problems 98
Infrared communication problems 98
Audio or telephony problems 99
Universal serial bus (USB) problems 99
Modem problems 100
PC Card problems 102
Printer problems 103
External display problems 104
Other option problems 106
Software problems 107
Other problems 108
88 ThinkPad 240 User's Reference