Troub leshooting │ 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
USB-C Charging 90W
(U2422HE only) for more information.
Updating Monitor Firmware
You may verify your current firmware revision in Firmware. 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:
www.dell.com/U2422H, www.dell.com/U2422HX or
www.dell.com/U2422HE.
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
Input Source menu.
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