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HP Omnibook XT6050, XT/VT6200 Troubleshooting and Diagnostics 3-17
Symptom Call Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
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.
Heatsink. Check heatsink for damage
or proper fan operation.
Check thermal contact
between CPU and heatsink.
Replace thermal pad if
needed.
Notebook pauses
or runs sluggishly.
May be normal Windows
behavior (background
processing can affect
response time).
Certain operations (such as
virus scanning or file
browsers) can affect
performance.
Press Ctrl+Alt+Del to see if
an application is not
responding.
Restart notebook.
If hard disk has spun down to
conserve power, it can take
several seconds to spin up
(you can hear this). Use
Control Panel to modify hard
disk power settings.
Check for overheating—see
previous symptom.
If notebook’s hard drive
frequently runs (as indicated
by hard drive light on front of
notebook) while notebook
appears to be paused or
running slowly, consider
installing additional SDRAM.
Make sure hard drive has
adequate free space. Delete
temporary and unneeded
files.
CPU module.
Motherboard.
If notebook slows after period
of continuous activity, check
heatsink—see previous
symptom.
Notebook still on
but stops
responding.
Press Ctrl+Alt+Del and end
any application not
responding.
Reset notebook (see
page 1-8).
Plug-in Modules
General problems. Make sure module is
installed properly. Check
module contacts.
Reset notebook (see
page 1-8).
Plug-in module or
contacts.
Motherboard.
Plug-in modules cannot be
repaired, and must be
exchanged.