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2–28 Maintenance and Service Guide
Troubleshooting
Flowchart 2.18 - Nonfunctioning Keyboard
Y
N
OK?
Keyboard
not operating
properly.
External
device
works?
Replace
system
board.
Replace
system
board.
Connect notebook
to good external
keyboard.
Reseat internal
keyboard
connector
(if applicable).
Replace internal
keyboard or
cable.
OK?
Y
N
Y
N
Done Done
279372-001.book Page 28 Friday, July 19, 2002 11:50 AM