Dell S3221QS User Manual page 56

Dell P2418HZ
If HDMI or DisplayPort cable is not connected, a floating dialog box as shown below
appears. The monitor will enter Standby Mode after 4 minutes if left at this state.
Dell P2418HZ
Dell P2418HZ
From the OSD menu when a user selects any predetermined option (without a
symbol) that increases the power consumption of the display, the following power
warning message is displayed:
56 │ Operating your monitor
Dell 32 Monitor
?
No HDMI signal from your device.
Press any key on the keyboard or move the mouse to wake it up.
If there is no display, press the monitor button again to select
the correct input source.
Dell 32 Monitor
? No HDMI Cable
The display will go into Standby mode in 4 minutes.
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Dell 32 Monitor
?
No DP Cable
The display will go into Standby mode in 4 minutes.
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or
S3221QS
S3221QS