Dell UP3221Q Users Guide - Page 95

from the SuperSpeed USB 5/10 Gbps USB, USB 5/10 Gbps USB 3.2 Gen 1/2-capable.

Page 95 highlights

No video when using USB-C DP Alt-Mode connection after DC On/ Off, wake up from Sleep No picture is showing • Unplug/plug USB-C cable. • The monitor ships with a Thunderbolt™ 3 Active cable. This cable does not work with a USB-C DP Alt-Mode source. If you are using a computer with USB-C DP Alt-Mode connection, please purchase a USB-C DP cable separately. SuperSpeed USB 5/10 Gbps (USB 3.2 Gen 1/2) interface is slow SuperSpeed USB 5/10 Gbps (USB 3.2 Gen 1/2) peripherals working slowly or not working at all • Check that your computer is SuperSpeed USB 5/10 Gbps (USB 3.2 Gen 1/2)-capable. • Some computers have 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 mouse is not working or lagging Do not respond or responds s lowl y • Increase the distance between the USB peripherals and the wireless USB receiver. • Position your wireless USB receiver as close as possible to the wireless mouse. • Use a USB-extender cable to position the wireless USB receiver as far away as possible from the SuperSpeed USB 5/10 Gbps (USB 3.2 Gen 1/2) port. Troubleshooting │ 95

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Troubleshooting± ±
± ± 95
No video when
using USB-C
DP Alt-Mode
connection
after DC On/
Off, wake up
from Sleep
No picture is
showing
Unplug/plug USB-C cable.
The monitor ships with a Thunderbolt™ 3
Active cable. This cable does not work with a
USB-C DP Alt-Mode source. If you are using a
computer with USB-C DP Alt-Mode
connection, please purchase a USB-C DP
cable separately.
SuperSpeed
USB 5/10
Gbps (USB 3.2
Gen 1/2)
interface is
slow
SuperSpeed
USB 5/10
Gbps (USB
3.2 Gen 1/2)
peripherals
working
slowly or not
working at all
Check that your computer is SuperSpeed
USB 5/10 Gbps (USB 3.2 Gen 1/2)-capable.
Some computers have 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
mouse is not
working or
lagging
Do not
respond or
responds
slowly
Increase the distance between the USB
peripherals and the wireless USB receiver.
Position your wireless USB receiver as close
as possible to the wireless mouse.
Use a USB-extender cable to position the
wireless USB receiver as far away as possible
from the SuperSpeed USB 5/10 Gbps (USB
3.2 Gen 1/2) port.