Dell U2422H 23.8" 16:9 IPS Monitor - Manual (Page 89)

Troubleshooting
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89
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.