I was able to fix this on my ubuntu 14.04 installation using the vivid kernel (3.19). I ran:
sudo apt-get install linux-generic-lts-vivid did a reboot and the touchpad seems to be working now. Other people seem to be able to solve this problem by using a newer kernel too: https://github.com/duncan-bayne/mint-setup/issues/41 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1431338 Title: Touchpad is not detected. Lenovo E550. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+bug/1431338/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
