HP PAVILION Pavilion ZE4300 Service Manual page 113

Symptom
PCMCIA
General problems
AC adapter
Does not power noteboo
Motherboard
Evidence of spilled liquid
Bent or broken
connectors, or burnt
component
Motherboard cracked.
Miscellaneous
Clock loses time
Notebook gets
abnormally hot
3-16 Troubleshooting and Diagnostics
Call Center: Suggestions
Restart notebook.
Try card in another computer.
If card requires an IRQ, make sure
one is available.
In Device Manager, refresh device
list and check for conflicts.
Download current drivers from card
manufacturer's Web site
Make sure AC adapter has correct
power rating.
Try another AC adapter, if available.
Plug in AC adapter for 24 hours to
charge CMOS battery.
Always set notebook on a flat
surface, so air can flow freely around
and underneath it.
Make sure air vents are not blocked.
Games and other programs that
drive CPU usage toward 100% can
contribute.
Repair Center:
Likely Causes
PCMCIA socket
Motherboard
AC adapter
Motherboard
CMOS battery
Motherboard
Heat sink
Repair Center:
Comments
Using a flashlight, look
for bent pins inside the
PCMCIA socket.
For model XE4500, if
only one slot is affected,
replace PCMCIA socket.
If both slots are affected,
replace motherboard.
AC adapter cannot be
repaired and must be
replaced.
Declared to be caused by
customer abuse.
Declared to be caused by
customer abuse.
Declared to be caused by
customer abuse.
Charge CMOS battery.
Check heat sink for
damage or proper fan
operation.
Check thermal contact
between CPU and heat
sink. Replace thermal
pad if needed.
Service Manual