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HP 385548-031 Benutzerhandbuch

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Maintenance and Service Guide
Troubleshooting
Flowchart 2.18—Nonfunctioning Keyboard
Y
N
Keyboard
operating
properly?
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.
Y
N
Y
N
Done
Done
Keyboard
operating
properly?