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Intel_backlight not detected. Brightness not working
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I have an intel 1135g1 lenovo laptop. I live usbed a Kubuntu 22 distro and the backlight worked just fine. It had created an intel_backlight folder to control the brightness.

I installed LL 5.4 but it did not detect an intel backlight nor adding boot commands like acpi_backlight=vendor solved the issue. Hardware or software keys could not change the brightness.

How could I add the drivers from the Kubuntu usb or otherwise solve my issue?
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Intel_backlight not detected. Brightness not working - by Georgios Chav - 05-24-2022, 07:37 PM

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