Hi Pablo, still missing the acpidump output. Please run the following commands:
sudo apt-get install acpidump sudo acpidump -o acpidump.txt Then upload the acpidump.txt file. The grep showed at least the entries that would be related to brightness: /proc/acpi/video/GFX0/DD03/brightness:levels: 10 20 30 40 50 60 70 80 90 100 /proc/acpi/video/GFX0/DD03/brightness:current: 50 Has the following command any effect? sudo -i 'echjo 100 >/proc/acpi/video/GFX0/DD03/brightness'; cat /proc/acpi/video/GFX0/DD03/brightness -- Acer Aspire 5738 cannot change brightness at all https://bugs.launchpad.net/bugs/489041 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
