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Solving External Device Installation Problems
Refer also in this chapter to the section(s) specific to the device,
such as the "Solving Audio Problems" or "Solving External
Monitor Problems" sections. If the device is connected to a USB
connector, refer also to the "Solving USB Problems" section.
Solving External Device Installation Problems
Problem
External device is
not recognized as
part of the system
or does not work.
Possible Cause
Appropriate software is
not installed; settings
are incorrect.
Power switch of
external device is
turned off.
External device
may not be
securely connected.
External device
and expansion base
are not receiving
electrical power.
Solution
For installation and
configuration information,
refer to the
documentation that came
with your computer, your
operating system, and
the external device.
1. Turn on external
device power switch.
2. Turn the system off,
then on.
Make sure external
device is securely
connected.
Make sure both
power cords are securely
connected to
electrical outlets.
Verify electrical power
supply to both outlets.
Troubleshooting 12-7
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