Dell E1914H User Manual page 46

Dell E2014H
There is no signal coming from your computer. Press any key on the
keyboard or move the mouse to wake it up. If there is no display,
press the monitor button now to select the correct input source on
the On-Screen-Display menu.
If VGA or DVI cable is not connected, a floating dialog box as shown below
appears. The monitor will enter Power Save Mode after 5 minutes if left at
this state.
Dell E1914H / E2014H
The display will go into Power Save Mode in 5 minutes
Dell E2014H
The display will go into Power Save Mode in 5 minutes
See Solving Problems for more information.
46 Operating the Monitor

No VGA Cable
No DVI-D Cable