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The fn + f3 and fn + f4 are not working, the others seem to be working fine. This is what I tried to do to fix it: I opened the grub file using gedit, changed the permission. changed: RUB_CMDLINE_LINUX_DEFAULT=”quiet splash “ into: RUB_CMDLINE_LINUX_DEFAULT=”quiet splash acpi_backlight=vendor“

But I can't save the file, because it couldn't store a copy. Any advice?

edit: sometimes they seem to work, sometimes notting happens. I can turn on the lights using fn + f4 and by repeadetly clicking fn + f3 and f4, they will eventually turn off. WTF

user2321611
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1 Answers1

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Google gave with the following bug repport. Apparently there is a ppa which fixes it.

Please open a terminal with Ctrl + Alt + T. Copy & Paste the following lines:

  • On a 64-bit Ubuntu

wget http://ppa.launchpad.net/flozz/flozz/ubuntu/pool/main/a/asus-kbd-backlight/asus-kbd-backlight_0.1~ppa5_amd64.deb
sudo dpkg -i asus-kbd-backlight_0.1~ppa5_amd64.deb

  • On a 32-bit Ubuntu

wget http://ppa.launchpad.net/flozz/flozz/ubuntu/pool/main/a/asus-kbd-backlight/asus-kbd-backlight_0.1~ppa5_i386.deb
sudo dpkg -i asus-kbd-backlight_0.1~ppa5_i386.deb

Reboot your system.

MadMike
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