Tuesday, November 30, 2010

Ubuntu 10.10 brightness problem in Acer Aspire 4741

To those who have problem with brightness configuration after installing Ubuntu 10.10 and you are using Acer Aspire 4741, here's a solution for you:
  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

Hopefully it helps.