I want to dual boot Manjaro with Windows 10. I installed Manjaro alongside Windows 10 and everything went well. Upon booting the first time I got this error:
[FAILED] Failed to start Load/Save brightness of backlight:acpi_video0. [FAILED] Failed to start Load/Save Screen Backlight Brightness of blacklight:amdgpu_b10.
I googled it and tried to solve it by:
sudo update-grub .
After doing so and rebooting I was still getting the error about
amdgpu. I tried masking
systemd-backlight@.service but after doing so upon rebooting all I had was a black screen. I also tried reinstalling but this gave me the exact same errors.
This is my my laptop: