The brightness control bar is not in the system settings of Ubuntu 14.04. How to get it there? - Ask Ubuntu


the brightness control bar not in system settings of ubuntu 14.04. how there?

enter image description here

currently have lowered brightness of desktop due this wonderful solution, still want know how in window shown int screenshot!

first, open terminal pressing ctrl+alt+t , execute following command:

gksudo gedit /etc/default/grub

navigate 11th line, there grub_cmdline_linux_default="quiet splash" line. add acpi_backlight=vendor next quite splash line be:

grub_cmdline_linux_default="quiet splash acpi_backlight=vendor"

save file, run update-grub command apply change have made:

sudo update-grub

finally, restart system


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