HP Compaq Presario,Presario R4000 Maintenance And Service Manual page 54
Hp compaq presario,presario r4000: user guide
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Also See for Compaq Presario,Presario R4000:
- Maintenance and service manual (278 pages) ,
- User manual (239 pages) ,
- Hardware and software manual (223 pages)
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Troubleshooting
Flowchart 2.18—Nonfunctioning Keyboard
Keyboard
not operating
properly.
Connect notebook
to good external
keyboard.
External
device
works?
Y
Reseat internal
keyboard
connector
(if applicable).
Keyboard
operating
properly?
Y
Done
2–26
N
Replace
system
board.
N
Replace internal
keyboard or
cable.
Keyboard
operating
properly?
N
Replace
system
board.
Y
Done
Maintenance and Service Guide
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Table of Contents
Troubleshooting
