Product Specific Problems - Dell UltraSharp U4919DW User Manual

Product Specific Problems

Specific
Symptoms
Screen image
is too small
No Input Signal
when user
controls are
pressed
The picture
does not fill
the entire
screen
No Video, No
Display
What You
Experience
Image is • Check the Aspect Ratio setting in the
centered on
screen, but
• Reset the monitor to factory settings.
does not fill
entire viewing
area
No picture, • Check the signal source. Ensure the computer
the LED light
is white
• Check whether the signal cable is plugged in
• Reset the computer or video player.
The picture • Due to different video formats (aspect ratio)
cannot fill the
height or
width of the
• Run the built-in diagnostics.
screen
No video • Due to legacy platform cannot recognize or
when
connecting
docking,
dongle or
Blu-ray DVD
players
Possible Solutions
Display menu OSD.
is not in the power saving mode by moving
the mouse or pressing any key on the
keyboard.
properly. Re-plug the signal cable if
necessary.
of DVDs, the monitor may display in full
screen.
output 5120 x 1440, we suggest to change
EDID to lower resolution to cover this
compatibility problem:
1. Remove all input cables, press Buttons 3
and 4 for 5 seconds. (Please refer to
page 71 for button numbers)
2. Choose "Enable" on POP up screen to
change max resolution from 5120 x 1440 to
3840 x 1080.
Troubleshooting
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