Dell P3424WE User Manual page 71

You will see the following message before the DDC/CI function is disabled:
When you adjust the Brightness level for the first time, the following message
appears:
NOTE: If you select Yes, the message will not appear the 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
following message appears:
90W, Other USB Charging, or Fast Wakeup, the
Operating the monitor
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