Universal Serial Bus (USB) Specific Problems
Specific
What You
Possible Solutions
Symptoms
Experience
USB
USB interface
peripherals are
is not working
not working
•
Make sure your monitor is turned on.
•
Disconnect and reconnect the upstream cable
to your computer.
•
Disconnect and reconnect the USB peripherals
(downstream connector).
•
Turn off and turn on the monitor.
•
Reboot the computer.
•
Some USB devices require higher electric
current; connect the device directly to the
computer system.
High Speed
High Speed
USB 2.0
USB 2.0
peripherals
interface is
working slowly
slow.
or not working
at all
•
Check that your computer is USB
2.0-compliant.
•
Some computers have USB 2.0 ports. Ensure
that the correct USB port is used.
•
Disconnect and reconnect the upstream cable
to your computer.
•
Reconnect the USB peripherals (downstream
connector).
•
Restart the computer.
44
Troubleshooting