User's Manual

3–4 Quick Reference
Troubleshooting
The computer is turned on but not responding
If the computer is turned on but not responding to software or
keyboard commands, try turning off the computer by using the
standard shutdown procedure:
1. Save your work and close all open applications.
2. Shut down the computer through the operating system:
a. Click Start.
b. Click the arrow next to the Lock button, and then click
Shut Down.
✎
If you have been registered to a network domain, the button
you click will be called Shut Down instead of Turn Off
Computer.
If you are unable to shut down the computer with this procedure,
try the following emergency shutdown procedures:
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CAUTION: Emergency shutdown procedures result in the lost of unsaved
information.
1. Press ctrl+alt+delete. Then, in the lower-right corner of the
screen, click the Power button.
– or –
Press and hold the power button for at least 5 seconds.
2. 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.
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To prevent overheating, do not obstruct vents. Use the
computer only on a hard, flat surface. Do no allow another
hard surface, such as an adjoining printer, or a soft surface,
such as pillows or thick rugs or clothing, to block airflow.