Laptops Community [Moved to Piefed.social]

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Dell Inspiron brightness constantly changing (sh.itjust.works)

submitted 3 months ago by DeltaWingDragon@sh.itjust.works to c/laptops@lemmy.world

2 comments fedilink hide all child comments

cross-posted from: https://sh.itjust.works/post/47508691

When my laptop is on battery, the brightness changes depending on what's on the screen.

It changes when I maximize or minimize a window, when I open or close a tooltip, when the visual bell goes off in my terminal, when I move my mouse onto something, when I'm watching a video with no input.

It is extremely annoying and I would like it to stop happening.

All the solutions I have seen only work for a Dell Inspiron with Intel CPU, and mine is AMD.

System stats
Hardware: Dell Inspiron 15 with AMD Ryzen 7 CPU, 16GB RAM, AMD Radeon graphics.

Software: Debian GNU/Linux 13 (trixie) with Linux 6.12.43 kernel and KDE Plasma 6.3.6 desktop

top 2 comments

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[–] dual_sport_dork@lemmy.world 3 points 3 months ago (1 children)

Spitballing here, but I had a similar problem with an older Dell. I found an adaptive screen backlight setting hidden in the BIOS setup, but I don't recall what they named it. Evidently this was some hardware bullshit and fiddling with screen brightness settings in the OS didn't impact it in way whatsoever. Disabling it in the BIOS cured it of being annoying.

[–] DeltaWingDragon@sh.itjust.works 1 points 2 months ago

Can’t find it in my BIOS. I tried modifying a “screen efficiency” setting, no change. All the other “power management” settings are related to the battery.