HP Compaq NX4820 Maintenance And Service Manual page 68
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Also See for Compaq NX4820:
- Hardware and software manual (251 pages) ,
- Maintenance and service manual (237 pages) ,
- Hardware manual (104 pages)
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Troubleshooting
Flowchart 2.18—Nonfunctioning Keyboard
Keyboard
not operating prop-
erly.
Connect computer
to good external key-
board.
External
device
works?
Y
Reseat internal key-
board
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
