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Brightness not working acer aspire one 756-2623 with ubuntu 12.4

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http://askubuntu.com – Brightness not working acer aspire one 756-2623 with ubuntu 12.4 also the mousepad rightclick isnt ether Im compleatly new to ubuntu and linux in general Edit: I figured it out from different sites its Fix backlight sudo gedit /etc/default/grub then change GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" GRUB_CMDLINE_LINUX="" to GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor" GRUB_CMDLINE_LINUX="acpi_osi=Linux" (HowTos)