Windows 10: Brightness increases to maximum.

My eyes are sensitive to light, so I work with my Dell laptop at minimum brightness.But as I switch on my dell laptop every morning, 5 out of 10 times, while the laptop is booting, the brightness gets suddenly to maximum 0 to 100% by itself. Immediately after the booting is complete, I slide it back to 0.This phenomenon is happening after installing an update some six months ago. I keep my windows up to date.Regards,Rajendra.

:)

 

Can't turn off adaptive brightness on Dell Precision M3800 QHD

Dear Mithin,

thanks for your suggestions!

1. All drivers are up-to-date

2. no error messages

Unfortunately none of the above solves my problem. But I noticed something that might be a clue in this riddle:

When I start the Laptop it starts with the real maximum brightness (unaffected by the brightness sensors' calibration). it's only then, that when I press the function key to lower it, it jumps down a whole lot of steps in brightness and pressing the button
to increase brightness then will just increase it by a little bit since the sensor seems to be ON again and deems my environment to be too dark for maximum brightness.

When i run the troubleshoot thing you suggested right after starting the laptop (now still in real maximum brightness) the outcome is that it tells me, that the display is to bright - and then it activates the sensor. But still I got absolutely no option
anywhere to turn that "feature" off manually.

The power slider is also still missing.

 

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Increase And Decrease of Brightness

Good day, I bought a laptop by the name of Avatar, and I noticed that I can't increase or reduce the brightness, what do you suggest I do?

[Moved from: Windows / Windows 10 / Performance & system failures]