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Troubleshooting
Maintenance and Service Guide 2–5
Table 2-4
External Device Problems and Solutions
Problem Possible Cause Solution
A new device is not
recognized as part of
the system.
The computer may be
properly aligned, but is
not fully seated or
docked in the
expansion base.
Lift the computer away
from the expansion base.
Then realign the
computer visual
alignment indicator with
the indicator on the
expansion base, and
reconnect the computer.
Be sure that the
computer is properly
aligned and seated, and
fully docked by gently
pressing down on the
computer until you hear
a click. If accessories are
attached, they should
now be recognized by
the system.
The device cable or
power cord is loose.
■ Be sure that all cables
are securely
connected to the
device and the
expansion base.
■ Be sure that all power
cords are securely
connected to the
device or
expansion base and
to an AC outlet.