HP Business Notebook PC - Getting Started -Vista - Enhanced for Accessibility

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Troubleshooting
WARNING: To reduce the possibility of heat-related injuries or of
overheating the computer, do not place the computer directly on your lap
or obstruct the computer air vents. Use the computer only on a hard, flat
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face. Do not allow another hard surface, such as an adjoining optional
printer, or a soft surface, such as pillows or rugs or clothing, to block
airflow. Also, do not allow the AC adapter to contact the skin or a soft
surface, such as pillows or rugs or clothing, during operation. The
computer and the AC adapter comply with the user-accessible surface
temperature limits defined by the International Standard for Safety of
Information Technology Equipment (IEC 60950).
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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
Follow these suggestions if an external device does not
function as expected:
■ Turn on the device as instructed in the device user guide.
Some devices may not be powered by the computer, and
must be turned on before the computer is turned on.
■ Be sure that all device connections are secure.
■ Be sure that the device is receiving electrical power.
■ Be sure that the device, especially if it is an older one, is
compatible with your operating system. For compatibility
information, refer to the device manufacturer’s Web site.
■ Be sure that the correct drivers are installed and updated.
Drivers may be available on a disc included with the
device or on the device manufacturer’s Web site. For
more information about updating drivers, select Start >
Help and Support.
The WLAN connection is not working
If a WLAN connection is not working as expected, follow
these suggestions:
■ Be sure that the wireless light on the computer is on. If the
light is off, press the wireless button to turn it on.
Getting Started 4–5