Filter
Top Products
44 Troubleshooting
Universal Serial Bus (USB) Specific Problems
Specific
Symptoms
What You
Experience
Possible Solutions
USB interface
is not working
USB
peripherals are
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 o 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
USB 2.0
interface is
slow.
High Speed
USB 2.0
peripherals
working slowly
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.