Hi Kevin, I do not know much about this topic, but...
On 2016-02-13 13:03, Kevin Leeds wrote: > Also when i try to do > sudo echo 50 > /sys/class/backlight/acpi_video0/brightness > then it says 'bash: brightness: permission denied'. > (From this page: http://pastebin.com/HzzHrS2g). That command would need to be changed to e.g.: sudo sh -c 'echo 50 > /sys/class/backlight/acpi_video0/brightness' > I would love to help provide some more help on my dual monitor setup. Did you see these pages in the official documentation: https://help.ubuntu.com/stable/ubuntu-help/display-dual-monitors- desktop.html https://help.ubuntu.com/stable/ubuntu-help/display-dual-monitors.html ** Changed in: ubuntu-docs (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1545266 Title: screen brightness slider has no effect To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-docs/+bug/1545266/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
