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 computer
to good external
keyboard.
Reseat internal
keyboard
connector
(if applicable).
Replace internal
keyboard or
cable.
OK?
Y
N
Y
N
Done
Done
Summary of Contents for Compaq NC4400
Page 56: ...3 4 Maintenance and Service Guide Illustrated Parts Catalog Computer Major Components ...
Page 58: ...3 6 Maintenance and Service Guide Illustrated Parts Catalog Computer Major Components ...
Page 60: ...3 8 Maintenance and Service Guide Illustrated Parts Catalog Computer Major Components ...
Page 62: ...3 10 Maintenance and Service Guide Illustrated Parts Catalog 3 3 Display Assembly Components ...