Dell C2422HE User Manual page 57

Make sure to set USB-C Charging to On in Off Mode. While the PC and two
monitors are in an initially OFF power state, by pressing the power button on Monitor 1
or Monitor 2 will turn ON the PC, Monitor 1, and Monitor 2.
Pressing power button on Monitor 1 or 2
USB Type-C
port1
Monitor 1
USB Type-C
port2
Monitor 2
USB Type-C
port2
USB Type-C
USB Type-C
USB Type-C
port1
Monitor 1
Monitor 2
Setting up the monitor
USB Type-C
USB Type-C
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