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


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:


in this way:


then save and give this command:

sudo update-grub

Reboot the PC and all works perfectly.


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