How to enable keyboard backlight? I had an old config.plist where the keyboard backlight worked, but the graphics were poorly displayed there. I replaced the config.plist for new, but now I can’t set up the keyboard backlighting, I tried to use different methods but nothing works. I think this is related to the ACPI/DSDT/Patches, but I don’t know which one. If I use to download the old config, the keyboard works. Please help me understand what is it.