Dell P2419H Users Guide - Page 66

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

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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. • 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 3.0capable. • 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 • Increase the distance between the peripherals USB 3.0 peripherals and the wireless responding slowly USB receiver. or only working as • Position your wireless USB receiver as the distance close as possible to the wireless USB between itself and peripherals. its receiver decreases • Use a USB-extender cable to position the wireless USB receiver as far away as possible from the USB 3.0 port. Troubleshooting │ 75

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Troubleshooting± ±
│
± ± 75
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.
•
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.