16 troubleshooting and diagnostics service manual – HP PAVILION NX9005 User Manual

Page 113

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3-16

Troubleshooting and Diagnostics

Service Manual

Symptom

Call Center: Suggestions

Repair Center:
Likely Causes

Repair Center:
Comments

PCMCIA

General problems

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

PCMCIA socket

Motherboard

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

Does not power noteboo

Make sure AC adapter has correct
power rating.

Try another AC adapter, if available.

AC adapter

Motherboard

AC adapter cannot be
repaired and must be
replaced.

Motherboard

Evidence of spilled liquid

Declared to be caused by
customer abuse.

Bent or broken
connectors, or burnt
component

Declared to be caused by
customer abuse.

Motherboard cracked.

Declared to be caused by
customer abuse.

Miscellaneous

Clock loses time

Plug in AC adapter for 24 hours to
charge CMOS battery.

CMOS battery

Motherboard

Charge CMOS battery.

Notebook gets
abnormally hot

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.

Heat sink

Check heat sink for
damage or proper fan
operation.

Check thermal contact
between CPU and heat
sink. Replace thermal
pad if needed.

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