84
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Troubleshooting
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.
High Speed
USB 3.2
interface is
slow
High Speed
USB 3.2
peripherals
working
slowly or not
working at all
• Check that your computer is USB 3.2-
capable.
• Some computers have USB 3.1, 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
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 USB 3.2 port.