HP Pavilion zd8000 HP Pavilion zd8000 Notebook PC - Maintenance and Service Gu - Page 46
Flowchart 2.18-Nonfunctioning Keyboard - replacement keyboard
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Troubleshooting Flowchart 2.18-Nonfunctioning Keyboard Keyboard not operating properly. Connect notebook to good external keyboard. N External device works? Y Replace system board. Reseat internal keyboard connector (if applicable). N OK? Y Replace internal keyboard or cable. Y Done OK? N Replace system board. Done 2-24 Maintenance and Service Guide
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2–24
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