HP omnibook xe3 Service Manual

Page of 117
HP OmniBook XE3
Troubleshooting and Diagnostics
3-11
Symptom
Call Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Serial/Parallel/USB
General problems.
Check connections.
Restart notebook.
Check settings in BIOS
Setup.
Check settings in Control
Panel.
Use troubleshooters in
Windows Help.
Test ports with DiagTools
diagnostics.
For USB: contact device
vendor and HP Notebook
web site (see page vii) for
latest USB drivers.
Serial device.
Motherboard.
Use loop-back connector
when testing serial or parallel
port—see page 3-19.
Serial mouse
doesn’t work.
Make sure mouse was
installed according to
manufacturer’s instructions.
Serial modem
doesn’t work.
Use Modem Troubleshooter
in Windows Help.
Disable internal modem.
Modem
Modem will not
connect at 56K.
Verify that host modem
supports 56K (V.90)
connection speed.
Try connecting at later time in
case line quality or other
external factor is cause of
problem.