64
│
Troubleshooting
3.
Use
Button 1
or
Button 2
to select the diagnostic tool and use
Button 3
to
confirm. A gray test pattern appears at the beginning of the diagnostic
program.
4.
Carefully inspect the screen for abnormalities.
5.
Press
Button 1
again to change the test patterns.
6.
Repeat steps 4 and 5 to inspect the display in red, green, blue, black, white,
and text screens.
7.
Press
Button 1
to end the diagnostic program.
Always On USB Type-C Charging
The monitor allows you to charge your notebook or mobile devices through the USB
Type-C cable even when the monitor is powered off. See
for more information.
You may verify your current firmware revision in
. If this is not available, go
to the Dell download support site for the latest application installer (
Monitor
Firmware Update Utility.exe
) and refer to the Firmware Update Instruction
User's Guide:
or
Common problems
The following table contains general information about common monitor problems
you might encounter and the possible solutions:
Common
symptoms
What you
experience
Possible solutions
No Video/Power
LED off
No picture
• Ensure that the video cable
connecting the monitor and the
computer is properly connected and
secure.
• Verify that the power outlet is
functioning properly using any other
electrical equipment.
• Ensure that the power button is
pressed fully.
• Ensure that the correct input source is
selected in the
menu.
