441259-001.book Page 4 Wednesday, February 14, 2007 9:21 AM
Troubleshooting
If you are unable to use the standard shutdown procedure, try
the following emergency shutdown procedure:
CAUTION:
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Emergency shutdown procedures result in the lost of unsaved
information.
»
Press
ctrl+alt+delete
screen, click the Power button
– or –
Press and hold the power button for at least 5 seconds.
– or –
Disconnect the computer from external power and remove
the battery.
The computer is unusually warm
It is normal for the computer to feel warm to the touch
while it is in use. But if the computer feels unusually
warm, it may be overheating because a vent is blocked.
To prevent overheating, do not obstruct vents. Use the
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computer only on a hard, flat surface. Do not allow another
hard surface, such as an adjoining printer, or a soft surface,
such as pillows or thick rugs or clothing, to block airflow.
If you suspect that the computer is overheating, allow the
computer to cool to room temperature. Then be sure
to keep all vents free from obstructions while you are
using the computer.
The fan in the computer starts up automatically to cool internal
components and prevent overheating. It is normal for the internal
fan to cycle on and off during routine operation.
An external device is not working
If an external device does not function as expected, follow
these suggestions:
3–4
. Then, in the lower-right corner of the
.
Quick Reference