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apport-collect 1976473 When reporting bugs in the future please use apport by using 'ubuntu- bug' and the name of the package affected. You can learn more about this functionality at https://wiki.ubuntu.com/ReportingBugs. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1976473 Title: Unable to change screen brightness in ubuntu desktop Status in linux package in Ubuntu: Incomplete Bug description: I have Dell G15 5515 Ryzen edition. It has Nvidia 3050 graphics. In /sys/class/backlight directory, there are two directories amdgpu_bl0 and nvidia_wmi_ec_backlight. When I change the screen brightness via slider then it changes the brightness value of nvidia_wmi_ec_backlight but it doesn't work. When I manually changed the value of amdgpu_bl0 brightness file then my screen brightness changed. My BIOS is updated to the latest version and I have NVIDIA Driver with version 510.73.05. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1976473/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp