6
. Trouble Shooting Instructions
Problem
What you
experience
Possible solutions
The LAN port is
not functioning
OS setting
or cable
connection
issue
•
Ensure that the latest BIOS and drivers for your
computer are installed on your computer.
•
Ensure that the RealTek Gigabit Ethernet
Controller is installed in the Windows Device
Manager.
•
If your BIOS Setup has a LAN/GBE Enabled/
Disabled option, make sure it is set to Enabled.
•
Ensure that the Ethernet cable is connected
securely on the monitor and the hub/router/
firewall.
•
Check the status LED of the Ethernet cable to
confirm connectivity. Re-connect both ends of
the Ethernet cable if the LED is not lit.
•
First power off the Computer and unplug the
Type-C cable and power cord of the monitor.
Then, power on the computer, plug in the
monitor power cord and Type-C cable.
U3023E cannot
set to 2560 x
1600 @ 60Hz
in Daisy chain
mode in DP1.2
(DSC Disable)
2
nd
monitor
displayed image
cannot set at
2560 x 1600
@ 60Hz when
set MST On
and USB-C
Prioritization
(High Data
Speed)
•
Switch USB-C Prioritization from High Data
Speed to High Resolution. (USB speed reduce
to 2.0)
•
Switch PC that supported DP1.4
U3023E
connected as
3
rd
monitor
cannot set to
2560 x 1600 @
60Hz in Daisy
chain mode in
DP1.4 (DSC
Disable)
3
rd
monitor
displayed image
cannot set at
2560 x 1600
@ 60Hz when
set MST On
and USB-C
Prioritization
(High Data
Speed)
•
Switch USB-C Prioritization from High Data
Speed to High Resolution. (USB speed reduce
to 2.0)
