Universal Serial Bus (Usb) Specific Problems - Dell S2721DGF User Manual

Universal Serial Bus (USB) specific problems

Specific
Symptoms
USB interface is
not working
SuperSpeed
USB 3.0
interface is
slow.
Wireless USB
peripherals stop
working when a
USB 3.0 device
is plugged in
USB is not
working
62 | Troubleshooting
What You Possible Solutions
Experience
USB peripherals • Check that your display is turned ON.
are not working • Reconnect the upstream cable to your
• Reconnect the USB peripherals (downstream
• Turn off the monitor and turn it on again.
• Reboot the computer.
• Certain USB devices such as portable hard
SuperSpeed • Check that your computer is USB 3.0-capable.
USB 3.0 • Some computers have USB 3.0, USB 2.0, and
peripherals
working slowly
or not working • Reconnect the upstream cable to your
at all
• Reconnect the USB peripherals (downstream
• Reboot the computer.
Wireless USB • Increase the distance between the USB 3.0
peripherals
responding • Position your wireless USB receiver as close as
slowly or only
working as • Use a USB-extender cable to position the
the distance
between itself
and its receiver
decreases
No USB Refer to input source and USB pairing table.
functionalities
computer.
connector).
drives require higher power source; connect the
drive to the computer directly.
USB 1.1 ports. Ensure that the correct USB port
is used.
computer.
connector).
peripherals and the wireless USB receiver.
possible to the wireless USB peripherals.
wireless USB receiver as far away as possible
from the USB 3.0 port.