Dell U2422H 23.8" 16:9 IPS Monitor - Manual (Page 44)

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Setting Up the Monitor
NOTE: Do not select “Do nothing”, otherwise monitor power button will
not be able to sync with PC system power state.
Connecting the Monitor for DPBS for the First Time
When setting up the DPBS function for the first time, please follow the steps below:
1. Make sure both the PC and the monitor are OFF.
2. Press the monitor power button to turn ON the monitor.
3. Connect the USB-C cable from the PC to the monitor.
4. Both the monitor and PC will turn ON momentarily. Wait for a while
(approximately 6 seconds) and both the PC and the monitor will turn OFF.
5. Press the monitor or PC power button, both the PC and monitor will turn ON.
Now the PC system power state is in sync with the monitor power button.