56
| Troubleshooting
Product Specific Problems
Problem
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 monitor power
cable, plug it back, and then turn on the monitor.
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. Connect the signal cable again, 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.
No image
when using
USB Type-C
connection
to computer,
laptop, and so on
Black screen
•
Verify if the USB Type-C interface of the device can
support DP alternate mode.
•
Verify if the device required more than 90 W power
charging.
•
USB Type-C interface of device cannot support DP
alternate mode.
•
Set Windows to Projection mode.
•
Ensure that the USB Type-C cable is not damaged.
No charging
when using
USB Type-C
connection
to computer,
laptop, and so on
No charging
•
Verify if the device can support one of 5 V/9 V/15
V/20 V charging profiles.
•
Verify if the Notebook requires a >90 W power
adaptor.
•
If the Notebook requires a >90 W power adaptor, it
may not charge with the USB Type-C connection.
•
Ensure that you use only Dell approved adapter or
the adapter that comes with the product.
•
Ensure that the USB Type-C cable is not damaged.
