It seems using 3.16.0-24 from this PPA fixes the issue - https://launchpad.net/~ubuntu-kernel-test/+archive/ubuntu/devel
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1383202 Title: Left touch pad button not working on Ubuntu (Gnome) 14.10 and kernel above 3.16.0-20 Status in “xorg” package in Ubuntu: Confirmed Bug description: So, I've this Lenovo B50 laptop that runs Ubuntu Gnome 14.10 and for some reason kernels: 3.16.0-23 3.16.0-22 3.16.0-21 Don't seem to recognise my left touchpad button, however it worked up to kernel 3.16.0-20 and I've tested on Windows 8.1 (which I have installed just in case) and the touchpad is perfectly functional and the left button works like a charm. I am willing to provide any info you guys need. Oh and - left clicking works with a mouse. Also - xorg edgers PPA and using 3.17 mainline kernel don't seem to fix this. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1383202/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp