I have recieved many letters from people asking me how to fix the issue with Intel HD graphics and Ubuntu. Mainly how to fix the brightness issue. I will paste a quick solution for all of you right here.

If you get any problems, please don’t be a stranger.

1. sudo gedit /etc/default/grub
2. Change the line GRUB_CMDLINE_LINUX=”” into
   GRUB_CMDLINE_LINUX=”acpi_osi=Linux”
3. sudo update-grub
4. Restart your linux