Dell P5524QT User Manual page 71

Specific What You
Symptoms Experience
Cannot adjust OSD does not
the display with appear on the
touch OSD screen
No Input Signal No picture, the
when user LED light is
controls are white
pressed
The picture The picture
does not fill the cannot fill the
entire screen height or width
of the screen
No image Black screen
when using
USB Type-C
connection
to computer,
laptop, and so
on
No charging No charging
when using
USB Type-C
connection
to computer,
laptop, and so
on
Possible Solutions
• 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 .
• 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.
• Due to different video formats (aspect ratio) of
DVDs, the display may display in full screen.
• Run the built-in diagnostics.
• 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.
• 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.
Troubleshooting | 71