
UNSOLVED
Precision 3570 changes brightness/contrast automatically
In Windows 11 I turned off automatic brightness:

Unfortunately in a well lit environment, it still changes brightness depending on what's on the display and how it moves. It's very annoying, because the display looks washed out 9/10 times and it's very noticeable when it changes.
The only way to get rid of this unwanted behavior is to either sit in a darker environment or to cover the sensor:

Does anyone know a fix for this?
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peemints
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33 Posts
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Posted August 11th, 2025 17:50
Are you on battery power when this happens by chance? Check to see if this setting is enabled in Battery Saver settings (Settings > System > Power & Battery > Battery > expand Battery Saver).
You may need to adjust when battery saver turns on as well. Can set it to Never, but obviously then it would drain faster.
(edited)