Dell UltraSharp U2515HX User Manual page 60

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No Input Signal
when user
controls are
pressed
The picture does
not fill the entire
screen
60
|
Troubleshooting
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.

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