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Connecting your monitor
WARNING: Before you begin any of the procedures in this section, follow
the
Safety
Instructions.
NOTE: Dell monitors are designed to work optimally with the Dell supplied
cables inside the box. Dell does not guarantee the video quality and
performance if non-Dell cables are used.
NOTE: Route the cables through the cable-management slot before
connecting them.
NOTE: Do not connect all the cables to the computer simultaneously.
NOTE: The images are for the purpose of illustration only. The appearance
of the computer may vary.
To connect your monitor to the computer:
1. Turn off your computer.
2. Connect the DisplayPort or USB cable, and the Thunderbolt
monitor to the computer.
CAUTION: Before using the monitor, it is recommended to fasten the stand
riser to a wall using cable tie or a cord that can support the weight of
monitor in order to prevent the monitor from falling.
3. Turn on your monitor.
4. Select the correct input source from the OSD Menu on your monitor and then
turn on your computer.
NOTE: U4025QW default setting is DisplayPort 1.4. A DisplayPort 1.4
Graphic card may not display normally. See
– No image when using DP connection to the PC
setting.
NOTE: Remove the rubber plug when using Thunderbolt™ 4 downstream
or USB-C
upstream connector.
®
cable tie or a cord
TM
product specific problems
to change the default
Setting up the monitor
4 cable from your
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