HP Presario 3000 Compaq Presario 3000 Series Maintenance and Service Guide - Page 50
Flowchart 2.17-Nonfunctioning Keyboard
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Troubleshooting Flowchart 2.17-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 Maintenance and Service Guide 2-27
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Troubleshooting
Maintenance and Service Guide
2–27
Flowchart 2.17—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