Operating the monitor | 47
If you press any button other than the power button, the following messages will
appear depending on the selected input:
No HDMI1 signal from your device.
Dell 24/27 Monitor
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.
S2421H/S2721H
If either HDMI1, HDMI2 input is selected and the corresponding cable is not connected,
a floating dialog box as shown below appears.
The display will go into Standby mode in 4 minutes.
www.dell.com/S2421H
www.dell.com/S2721H
Dell 24/27 Monitor
S2421H/S2721H
No HDMI1 Cable
or
The display will go into Standby mode in 4 minutes.
www.dell.com/S2421H
www.dell.com/S2721H
Dell 24/27 Monitor
S2421H/S2721H
No HDMI2 Cable
See Troubleshooting for more information.