Problems and Solutions
USB Problems
Problem
External device
connected to the
USB connector does
not work.
1–28
Possible Cause
The external device
does not start up.
The external device is
defective.
USB device needs a
driver update.
External device
produced an
overcurrent event.
Resource conflict in
device manager.
Solution
If the external device
requires external power,
ensure that it is plugged
into the electrical outlet
correctly.
Try the external device
in another USB
connector on your
notebook or a USB
connector on another
notebook to verify the
problem.
Check with your USB
device manufacturer for
updated drivers.
Connect the external
device to another USB
connector, or if the
device can use external
power, connect it to an
electrical outlet.
Check the device
manager in the
operating system for
resource conflicts and
change the resources.
Troubleshooting
Need help?
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