Dell P8624QT User Manual page 63

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 white
controls are
pressed
The picture does The picture
not fill the entire cannot fill the
screen height or width of
the screen
No image when Black screen
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
Intermittent Intermittent
charging when charging
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.
• 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.
Troubleshooting | 63