Users Guide

62 | Troubleshooting
Universal Serial Bus (USB) Specific Problems
Specific
Symptoms
What You
Experience
Possible Solutions
USB interface is
not working
USB peripherals
are not working
•Check that your monitor is turned ON.
•Reconnect the upstream cable to your computer.
•Reconnect the USB peripherals (downstream
connector).
•Switch o and then turn on the monitor again.
•Reboot the computer.
•Some USB devices like external portable HDD
require higher electric current; connect the device
directly to the computer system.
SupreSpeed USB
3.0 interface is
slow
SuperSpeed USB
3.0 peripherals
working slowly
or not working
at all
•Check that your computer is USB 3.0-capable.
•Some computers have USB 3.0, USB 2.0, and USB
1.1 ports. Ensure that the correct USB port is used.
•Reconnect the upstream cable to your computer.
•Reconnect the USB peripherals (downstream
connector).
•Reboot the computer.
Wireless USB
peripherals stop
working when a
USB 3.0 device
is plugged in
Wireless USB
peripherals
responding
slowly or only
working as
the distance
between itself
and its receiver
decreases
•Increase the distance between the USB 3.0
peripherals and the wireless USB receiver.
•Position your wireless USB receiver as close as
possible to the wireless USB peripherals.
•Use a USB-extender cable to position the wireless
USB receiver as far away as possible from the USB
3.0 port.