Michael, can you attach the following files, please? 1) the output of this command: xinput list
2) your /var/log/Xorg.0.log -- After a recent update, the Synaptics touchpad performs erratically https://bugs.launchpad.net/bugs/321022 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