Dell UltraSharp U2422H User Manual page 76

Activate the computer and the monitor to gain access to the OSD.
NOTE: The message may be slightly different according to the
connected input signal.
If either USB-C (U2422HE only), DisplayPort, or HDMI input is selected and the
corresponding cable is not connected, a floating dialog box as shown below
appears.
NOTE: The message may be slightly different according to the
connected input signal.
For U2422HE, When the monitor is under DP/HDMI input and a USB-C cable is
connected to a notebook that supports DP Alternate Mode, if
USB-C (U2422HE only)
See Troubleshooting
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76 Operating the Monitor
is enabled, the following message appears:
for more information.
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