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How to stop Bazzite KDE from auto dimming 2nd screen?

6 months ago by livligkinkajou to c/linux4noobs

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Whenever a dark page or a video gets too dark, the 2nd screen is automatically dimming, which can be annoying when watching dark scenes or browsing/editing with dark mode

How to stop it?

Itś a laptop

Built-in screen does not dim in any moment
Second monitor is a TV, connected via HDMI

TV dims with every display mode (mirror, extend or only external monitor)

TV did not dim with Windows 7/10/11, so it is not the TV

Itś running latest Bazzite KDE Nvidia RTX Series | GTX 16xx Series+ (bazzite-nvidia-open-stable-live-amd64.iso) plasmashell 6.6.3

Itś not caused by accidental touches on kb brightness keys

Display configuration > color accuracy > set to prefer color accuracy
Power management > dim automatically > set to never

I can't open this link which has the exact question, as it shows:

"Failed to verify your browser
Code 11"

:/

Any help is appreciated, thanks in advance

decepticlown 5 points 6 months ago

You will find those settings in power management if I rememver correctly. Is it plasma 6?

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livligkinkajou 1 point 6 months ago

Yes, plasma 6.6.3. I already had the "power management" setting "Dim Automatically" as "Never", but it doesn't seem to work on the second screen, as seen below:

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path: 0 23156858 23159928, hotness: undefined, score: 1, children: 1
PabloSexcrowbar 2 points 6 months ago

The setting is actually under Display Configuration. Look for "Control hardware brightness with DDC/CI."

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