Users Guide

Trou b le sh oot ing  │  75
Universal Serial Bus (USB) specific problems
Common
symptoms
What you
experience
Possible solutions
USB interface is
no
t working
USB peripherals
are not working
• Check that your monitor is turned On.
• Reconnect the upstream cable to your
com
puter.
• Reconnect the USB peripherals
(
downstream connector).
• Switch Off and then turn On the
monit
or again.
• Reboot the computer.
• Some USB devices like external
port
able HDD require higher electric
current; connect the device directly to
the computer system.
Super Speed USB
3
.0 interface is
slow
Super Speed USB
3.0 peripherals
working slowly or
not working at all
• Check that your computer is USB 3.0-
capab
le.
• 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
com
puter.
• Reconnect the USB peripherals
(
downstream connector).
• Reboot the computer.
Wireless USB
periph
erals stop
working when a
USB 3.0 device is
plugged in
Wireless USB
pe
ripherals
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
c
lose as possible to the wireless USB
peripherals.
• Use a USB-extender cable to position
th
e wireless USB receiver as far away
as possible from the USB 3.0 port.