Dell U2422H 23.8" 16:9 IPS Monitor - Manual (Page 93)

Troubleshooting
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93
Product Specific Problems
Common
Symptoms
What You
Experience
Possible Solutions
Screen image is too
small Image is centered on
screen, but does not
fill entire viewing
area • Check the Aspect Ratio setting in
the Display menu OSD.
• Reset the monitor to factory settings.
Cannot adjust the
monitor with the
buttons on the
front panel OSD does not
appear on the screen • Turn Off the monitor, unplug the
power cord, plug it back, and then
turn On the monitor.
• Check whether the OSD menu is
locked. If yes, press and hold the
Menu/function button next to the
Power Button for 4 seconds to
unlock (for more information, see
Lock ).
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 standby mode
by moving the mouse or pressing any
key on the keyboard.
• Check whether the signal cable is
plugged in properly. Re-plug 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.