Dell U4021QW Users Guide - Page 79

Troubleshooting, Specific, Symptoms, What You, Experience, Possible Solutions, Super Speed

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Specific Symptoms What You Experience Possible Solutions USB Type-C port does not supply power USB peripherals • Check that the connected device is compliant can not be with the USB-C specification. The USB Type-C charged port supports USB 2.0 and an output of 90 W. • Check that you use the USB Type-C cable shipped with your monitor. Super Speed USB 3.2 Gen2 interface is slow. Super Speed USB 3.2 Gen2 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 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 • 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. USB is not working No USB Refer to input source and USB pairing table. functionalities Troubleshooting | 79

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Troubleshooting
|
79
Specific
Symptoms
What You
Experience
Possible Solutions
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 2.0 and an output of 90 W.
•
Check that you use the USB Type-C cable
shipped with your monitor.
Super Speed
USB 3.2 Gen2
interface is
slow.
Super Speed
USB 3.2 Gen2
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.
USB is not
working
No USB
functionalities
Refer to input source and USB pairing table.