Brightness
sudo gedit /etc/default/grub
find this line : GRUB_CMSLINE_LINUX_DEFAULT="quiet splash"
change to: GRUB_CMDLINE_LINUX_DEFAULT=
"quiet splash acpi_backlight=vendor"
and save it
then cmd > sudo update-grub
linux 屏幕亮度调节
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做一个精神上的素食主义者。