Brightness keys do not work on HP Pavilion dv7 laptop with Ubuntu

HP-DV7




HP-DV7Ubuntu has problems with brightness on HP Pavilion DV7 laptop (DV7-6B97EL). Don’t works the function keys to manage the brightness.

No problem, in the Ubuntu World nothing is impossible and everything is easy 😉

To solve this little problem edit /etc/default/grub and change the instruction below:

GRUB_CMDLINE_LINUX=""

in this way:

GRUB_CMDLINE_LINUX="acpi_backlight=vendor" 

then save and give this command:

sudo update-grub

Reboot the PC and all works perfectly.




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