Ubuntu
nvidia-graphics-drivers-545 package

  1. Bug #2055153
  2. Comment #33

Comment 33 for bug 2055153

Revision history for this message
Alvin Jinsung Choi (alvinjinsung) wrote :

@Fabian Gasser
After setting kernel parameter 'acpi_backlight=vendor' in /etc/default/grub file, the problem did not appear again until now. I will let you know if it happens again

@Daniel Van Vugt
May I ask what 'acpi_backlight=vendor' do?