Dell UltraSharp 49 U4924DW 49" WQHD Ultrawide Curved Monitor - Manual (Page 56)

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Setting up the monitor
NOTE: You can enable or disable the power button sync function using
the OSD. See
Dell Power Button Sync .
• 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.