Public bug reported: My notebook brightness is always very dim... After trying very workarounds, I blacklisted video in /etc/modprobe.d/blacklist adding:
blacklist video after reboot all was ok (brightness now is good, max). So i understood this problem depends from "video" module. it's ACPI module? blacklisting this module brightness is now max, but Fn keys to change brightness don't function. So i discovered that this "video" module, during every boot, create a folder: /proc/acpi/video and in this folder there is this file: /proc/acpi/video/VGA/LCDD/brightness editing it: levels: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 current: 0 Now to change current: 0 (min brightness) to current: 13 (max brightness) and to make this change permanent, i used this workaround: " sudo nano brightness i copy this 2 lines in terminal folder: #!/bin/sh echo 13 > /proc/acpi/video/VGA/LCDD/brightness C) Ctrl-O to save e Ctrl-X to exit Now we will copy our new shell script to the appropriate directory, make it executable and add the following links by typing the following in Terminal: sudo mv brightness /etc/init.d sudo chmod 755 /etc/init.d/brightness sudo update-rc.d brightness defaults 13 so it's ok, but u should solve this problem in video module for future. ** Affects: ubuntu Importance: Undecided Status: New -- asus m51sn LCD Brightness https://bugs.launchpad.net/bugs/387060 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs