HP Compaq nc4400 Notebook PC - Maintenance and Service Guide

Troubleshooting
Maintenance and Service Guide 2–25
Flowchart 2.19—Nonfunctioning Pointing
Device
Y
N
OK?
Pointing device
not operating
properly.
External
device
works?
Replace
system
board.
Replace
system
board.
Connect computer
to good external
pointing device.
Reseat internal
pointing device
connector
(if applicable).
Replace internal
pointing device
or cable.
OK?
Y
N
Y
N
Done Done