Troubleshooting
│
87
Always On USB-C Charging (U2422HE Only)
The monitor allows you to charge your notebook or mobile devices through the
USB-C cable even when the monitor is powered off. See
for more information.
Updating Monitor Firmware
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.