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Troubleshooting
Universal Serial Bus (USB) Specific Problems
Common
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 off and then turn on the
monitor again.
• Re-start the computer.
• Some USB devices like external
portable HDD require higher electric
current; connect the device directly
to the computer system.
High Speed USB 3.0
interface is slow.
High Speed USB 3.0
peripherals working
slowly or not working
at all
• Check that your computer is USB
3.0-capable.
• Some computers have both USB
3.0 and 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).
• Re-start the computer.
Wireless mouse
is not working or
lagging
Do not respond or
responds slowly
• 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
mouse.
• Use a USB-extender cable to position
the wireless USB receiver as far away
as possible from the USB 3.0 port.