Dell U2422H 23.8" 16:9 IPS Monitor - Manual (Page 75)

Operating the Monitor
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When you adjust the Brightness level for the first time, the following message
appears:
NOTE: If Yes is selected, the message will not appear next time you
intend to change the Brightness setting.
When you change the default setting of power saving features for the first time,
such as
USB-C Charging 90W (U2422HE only) , Other USB Charging
(U2422HE only) , or USB Charging (U2422H/U2422H WOST/U2422HX
only) , the following message appears:
NOTE: If you select Yes for any one of the features mentioned above,
the message will not appear next time you intend to change the
settings of these features. When you perform a factory reset, the
message will appear again.