Please: 1. Remove the 'oidbaf' PPA from your machine. It is not supported by Ubuntu.
2. Run this command and tell us what result you see: ls -l /sys/class/backlight/ ** Summary changed: - graphics driver doesnt install + Brightness controls don't work on Dell Inspiron 5567 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1834836 Title: Brightness controls don't work on Dell Inspiron 5567 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1834836/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
