HP OmniBook 3000 Service Manual page 55

Symptom Call Center:
Suggestions
Computer gets hot It is normal for the computer
to get hot.
Make sure the air vents are
clear.
DOS games and other
programs that drive CPU
usage toward 100% can
contribute.
Computer pauses May be normal Windows 95
or runs sluggishly behavior (background
processing can affect
response time).
If the hard disk has spun
down to conserve power, it
can take several seconds to
spin up. You can hear this.
You can run BIOS Setup and
change the hard disk time-
out to match the Suspend
time-out.
Certain background
operations (such as HP COE
virus scans) can affect
performance while they're
running.
Some file browsers may be
unresponsive while they're
processing a graphic image
or waiting for broken network
connections to time out.
Run BIOS Setup and try
turning off smart CPU mode.
Accessories
Port replicator I/O Check that ac power is
problems connected.
Check settings in BIOS
Setup.
Try using the corresponding
OmniBook port.
Can not boot from Check that the CD is
CD in CD-ROM bootable.
drive
Check boot order in BIOS
Setup.
General CD-ROM Check CD-ROM drive
drive problems contacts.
Push system-off button.
General Zip drive Check Zip drive contacts.
problems
Push system-off button.
HP OmniBook 3000
Repair Center: Repair Center:
Likely Causes Comments
Heat sink (fan) Test the fan.
(F1391-60921).
Check for proper contact
Thermal connections. between CPU and heat sink,
and between fan and heat
Heat sink damage
sink.
(F1391-60921).
CPU module (varies).
Motherboard
(F1391-60901).
Port replicator Test the corresponding
(F1381-60901). OmniBook ports while
undocked.
Motherboard
(F1391-60901). The port replicator is not
repairable—it must be
exchanged.
CD-ROM drive The CD-ROM drive is not
(F1387-60901). repairable—it must be
exchanged.
CD-ROM drive or The CD-ROM drive is not
contacts repairable—it must be
(F1387-60901). exchanged.
Motherboard
(F1391-60901).
Zip drive or contacts The Zip drive is not
(F1388-60901). repairable—it must be
exchanged.
Motherboard
(F1391-60901).
Troubleshooting and Diagnostics 3-7