Dell U2715Hc User Manual page 59

No Input Signal
when user
controls are
pressed
The picture does
not fill the entire
screen
No picture, the
LED light is white
The picture
cannot fill the
height or width of
the screen
∞ Check the signal source. Ensure the computer is not
in the power saving mode by moving the mouse or
pressing any key on the keyboard.
∞ Check whether the signal cable is plugged in
properly. Replug the signal cable if necessary.
∞ Reset the computer or video player.
∞ Due to different video formats (aspect ratio) of
DVDs, the monitor may display in full screen.
∞ Run the built-in diagnostics.
Troubleshooting
59
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