Reboot with kernel parameter video.use_bios_initial_backlight=0 doesn't allow to change the brightness either, OSD indicator appears but no change in brightness occur.
Let me know if there's anything else I could provide to make this work, the LCD brightness on this laptop is burning my retinas =( ** Changed in: linux (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/551668 Title: Fn+F5 and Fn+F6 don't modify brightness on Sony VAIO VPCCW (GT 230M) To manage notifications about this bug go to: https://bugs.launchpad.net/nouveau/+bug/551668/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs