Dell S2421HN User Manual page 17

The OSD operates only in the normal operation mode. If you press any button in the
active-off mode, the following message is displayed:
*Zero power consumption in OFF mode can only be achieved by disconnecting the AC
mains cable from the monitor.
**Maximum power consumption with maximum luminance.
This document is informational only and reflects laboratory performance. Your product
may perform differently, depending on the software, components and peripherals
you ordered and shall have no obligation to update such information. Accordingly, the
customer should not rely upon this information in making decisions about electrical
tolerances or otherwise. No warranty as to accuracy or completeness is expressed or
implied.
Activate the computer and the monitor to gain access to the OSD.
NOTE: This monitor is ENERGY STAR certified.
This product qualifies for ENERGY STAR in the factory default settings which can be
restored by "Factory Reset" function in the OSD menu. Changing the factory default
settings or enabling other features may increase power consumption that could exceed
the ENERGY STAR specified limit.
Dell 24 Monitor
No HDMI1 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.
or
Dell 27 Monitor
No HDMI1 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.
S2421HN/S2421NX
S2721HN/S2721NX
About your monitor | 17