Dell U2422H 23.8" 16:9 IPS Monitor - Manual (Page 41)

Setting Up the Monitor
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3. Connect the USB peripherals to the super speed USB 10 Gbps (USB 3.2
Gen2) downstream ports on the monitor.
4. Plug the power cables for your computer and monitor into a nearby outlet.
5. Turn On the monitor and the computer.

If your monitor displays an image, installation is complete. If it does not display
an image, see
Common Problems .
6. Use the cable slot on the monitor stand to organize the cables.
NOTE: The USB connection only offers USB data transfer in this
scenario.
CAUTION: The graphics are used for the purpose of illustration only.
Appearance of the computer may vary.
Dell Power Button Sync (DPBS) (U2422HE Only)
The U2422HE monitor is designed with Dell Power Button Sync (DPBS) feature to
allow you to control PC system power state from the monitor power button. This
feature is compatible with Dell Optiplex 7090/3090 Ultra platform, and is only
supported over USB-C interface.