User Manual

Table Of Contents
Troubleshooting 4-9
Keyboard Failure 0
If the Keyboard fails, perform the following, one at a time. Do not replace a non-defective
FRU:
Figure 4-4. Keyboard Failure
Start
Check keyboard
backlight cable
connection
Check keyboard
Replace Mainboard
Reconnect
Keyboard backlight
cable
Replace Palm rest/
Upper case assembly
(with keyboard)
OK
NG
OK
NG
Start
Check keyboard
cable connection
Check keyboard
Replace Mainboard
Reconnect
Keyboard cable
Replace Palm rest/
Upper case assembly
(with keyboard)
OK
NG
OK
NG