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2–28 Maintenance and Service Guide
Troubleshooting
2.18 Nonfunctioning Keyboard
Y
N
OK?
Keyboard
not operating
properly.
External
device
works?
Replace
system
board.
Replace
system
board.
Connectnotebook
to good external
keyboard.
Reseat internal
keyboard
connector (if
applicable).
Replace internal
keyboard or
cable.
OK?
Y
N
Y
N
Done Done