Universal Serial Bus (Usb) Specific Problems - Dell U2722DX Service Manual

Universal Serial Bus (USB) Specific Problems

Specific What You
Symptoms Experience
USB interface is USB peripherals
not working are not working
Super speed Super speed
USB 3.2 Gen2 USB 3.2 Gen2
interface is peripherals
slow. working slowly
or not working
at all
Wireless USB Wireless USB
peripherals stop peripherals
working when a responding
USB 3.0 device slowly or only
is plugged in working as
the distance
between itself
and its receiver
decreases
USB is not No USB
working functionalities
6. Trouble Shooting Instructions
Possible Solutions
• Check that your display is turned ON.
• Reconnect the upstream cable to your
computer.
• Reconnect the USB peripherals (downstream
connector).
• Turn off the monitor and turn it on again.
• Reboot the computer.
• Certain USB devices such as portable hard
drives require higher power source; connect the
drive to the computer directly.
• 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.
Refer to input source and USB pairing table.