Dell UltraSharp 24 U2422H WOST User Manual page 46

• When the monitor and the PC power state are both ON, press and hold
the monitor power button for 4 seconds, the screen prompt will ask if
you would like to shut down the PC.
• When the monitor and the PC power state are both ON, press and hold the
monitor power button for 10 seconds, the PC will shut down.
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46 Setting Up the Monitor