Universal serial bus (usb) specific problems – Dell P2722HE 27" 16:9 USB Type-C IPS Monitor User Manual

Page 79

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Troubleshooting

79

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).

• Turn off the monitor and turn it on

again.

• Reboot the computer.

• Certain USB devices such as portable

hard drive require higher power source;
connect the drive to the computer
directly.

USB Type-C port
does not supply
power

USB peripherals
can not be charged

• Check that the connected device is

compliant with the USB-C
specification. The USB Type-C port
supports USB 3.2 Gen1 and an output
of 65 W.

• Check that you use the USB Type-C

cable shipped with your monitor.

SuperSpeed USB
5 Gbps (USB 3.2
Gen1) interface is
slow

SuperSpeed USB
5 Gbps (USB 3.2
Gen1) peripherals
working slowly or
not working at all

• Check that your computer is

SuperSpeed USB 5 Gbps (USB 3.2
Gen1)-compatible.

• Some computers have USB 3.2, 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.

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