Product Specific Problems - Dell UltraSharp 27 Series User Manual

Product Specific Problems

Problem
Screen image is
too small
Cannot adjust
the monitor with
the buttons on
the front panel
No Input Signal
when user
controls are
pressed
The picture does
not fill the entire
screen
No image
when using
USB Type-C
connection
to computer,
laptop, and so on
No charging
when using
USB Type-C
connection
to computer,
laptop, and so on
56 | Troubleshooting
What you Possible solutions
experience
Image is • Check the Aspect Ratio setting in the Display
centered on
screen, but does • Reset the monitor to factory settings.
not fill entire
viewing area
OSD does not • Turn off the monitor, unplug the monitor power
appear on the
screen
No picture, the • Check the signal source. Ensure the computer is
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) of
cannot fill the
height or width • Run the built-in diagnostics.
of the screen
Black screen • Verify if the USB Type-C interface of the device can
• Verify if the device required more than 90 W power
• USB Type-C interface of device cannot support DP
• Set Windows to Projection mode.
• Ensure that the USB Type-C cable is not damaged.
No charging • Verify if the device can support one of 5 V/9 V/15
• Verify if the Notebook requires a >90 W power
• If the Notebook requires a >90 W power adaptor, it
• Ensure that you use only Dell approved adapter or
• Ensure that the USB Type-C cable is not damaged.
menu OSD.
cable, plug it back, and then turn on the monitor.
not in the power saving mode by moving the mouse
or pressing any key on the keyboard.
properly. Connect the signal cable again, if
necessary.
DVDs, the monitor may display in full screen.
support DP alternate mode.
charging.
alternate mode.
V/20 V charging profiles.
adaptor.
may not charge with the USB Type-C connection.
the adapter that comes with the product.