Troubleshooting | 61
Specific
Symptoms
What You
Experience
Possible Solutions
Cannot adjust
the display with
touch OSD
OSD does not
appear on the
screen
•
Turn off the display, unplug the display power cable,
plug it back, and then turn on the display.
•
Check whether the OSD menu is locked. If yes, touch
icon for 4 seconds to unlock .
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.
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 display 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.
Intermittent
charging when
using USB Type-C
connection to
computer,
laptop, and so on
Intermittent
charging
•
Check if the maximum power consumption of device
is over 90 W.
•
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.
