I have now tested two Lenovo laptops with different Synaptics touchpads. Both running 17.10 and both support tap-to-click on the GDM login screen just fine. So...
Andreas: Please upgrade when it's convenient (perhaps after the official release) and try 17.10. fenris: Please log a new bug using command 'ubuntu-bug gdm3' so we can get your system details. ** Changed in: gdm3 (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/1708828 Title: Tap-to-click does not work in GDM To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1708828/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs