[Kernel-packages] [Bug 1258058] Re: 10de:0fe4 [Lenovo IdeaPad Y510P] Brightness control no effect on screen

2014-01-17 Thread Filipe Dias
Hi Christopher, This was my first intervention in this tracker. I do not understand how am I suppose to proceeed. What should I execute in the terminal? Also, can you point the link of the bug tracker where I should file my report? Thanks -- You received this bug notification because you are a

[Kernel-packages] [Bug 1258058] Re: 10de:0fe4 [Lenovo IdeaPad Y510P] Brightness control no effect on screen

2014-01-17 Thread Filipe Dias
Hi, Brightness controls work on Ubuntu 12.04 with the raring ringtail kernel 3.8 and the liquorix kernel. 3.12.6. But for the system to launch with the brightness on, the user has to edit /etc/default/grub and change this line like this: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=\"!Window