Dell Alienware 25 Gaming AW2521HFL Alienware AW2521HFL Monitor Users Guide - Page 66

Universal Serial Bus (USB) specific problems, Specific, symptoms, What you, experience

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Universal Serial Bus (USB) specific problems Specific symptoms USB interface is not working Super Speed USB 3.0 interface is slow Wireless USB peripherals stop working when a USB 3.0 device is plugged in What you experience USB peripherals • are not working • • • • • Super Speed • USB 3.0 • peripherals working slowly or not working at • all • • Wireless USB • peripherals responding • slowly or only working as the • distance between itself and its receiver decreases Possible solutions 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. Reboot the computer. Some USB devices like external portable HDD require higher electric current; connect the device directly to the computer system. 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. 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. 66 | Troubleshooting

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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 off 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.
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-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.