Dell UltraSharp 25 Monitor - Manual (Page 59)

Troubleshooting |
59
No Input Signal
when user
controls are
pressed No picture, the
LED light is white ∞ 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.
The picture does
not fill the entire
screen The picture
cannot fill the
height or width of
the screen ∞ Due to different video formats (aspect ratio) of
DVDs, the monitor may display in full screen.
∞ Run the built-in diagnostics.