Windows 11 I can't turn off automatic brightness

[Baptiste Proust]

Hi,I have a DELL Latitude 3540 with Windows 11 22H2.I have this common issue where W11 automatically adjust the screen brightness and contrast based on content that’s displayed.I've searched the microsoft docs and forums to resolve this, but nothing works.https://support.microsoft.com/en-us/windows/content-adaptive-brightness-control-in-windows-292d1f7f-9e02-4b37-a9c8-dab3e1727e78The "Help improve battery by optimizing the content shown and brightness" drop-down is nowhere to be found :

https://imgur.com/Ga0AexXI

View: https://imgur.com/Ga0AexXI
turned off every battery saver options, my current battery plan is

Continue reading...