Hot answers tagged brightness
I believe that the laptop uses Hybrid Graphics (AMD + Intel). Hybrid Graphics are problematic in Linux right now, there's nothing that will work 100% for everyone. I recommend disabling the discrete AMD GPU so that it won't chew up your battery life. To resolve the brightness button issue you're having, follow these steps: Open up a terminal (Ctrl + Alt + ...
1.Open file sudo gedit /etc/default/grub 2.There will be something like: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash". Change it to GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor" 3.Save file 4.Run command sudo update-grub 5.Reboot
I was also suffering from same problem,but I found here a solution that worked for me(on Acer Aspire-5738). If you have acpi_video0 and /sys/class/backlight/intel_backlight/brightness and changing /sys/class/backlight/intel_backlight/brightness is changing your computer brightness , you can force your system to use intel_backlight. Create a file ...
Only top voted, non community-wiki answers of a minimum length are eligible