Hi All,
Please try with the EnableBrightnessControl =1 as kernel parameter or add it in
xorg.conf file.
You can add it in device section as shown below -
Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "NVIDIA RTX A3000 Laptop GPU"
Option "RegistryDwords" "EnableBrightnessControl=1"
EndSection
After change in the xorg, please uninstall / install the driver.
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https://bugs.launchpad.net/bugs/1905591
Title:
no brightness control in {455,460} after update from 450
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