Dell S3222HN User Manual page 44

If HDMI 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
The OSD functions only in the normal operation mode. When any button is pressed
in the Standby Mode, the following message will be displayed:
Dell P2418HZ
Activate the computer and the monitor to gain access to the OSD.
│
44 Operating your monitor
Dell 32 Monitor
? No HDMI Cable
The display will go into Standby mode in 4 minutes.
www.dell.com/S3222HN
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.
S3222HN