Same thing happened to me in 4.19.0. Switched to Mint with kernel versions 4.19 and 4.18.3 and the same problem persists. Laggy and TouchPad does not work at all, except in the login screen. After initial install of Ubuntu it worked fine for about a day, then stopped after a reboot.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1793111 Title: [Asus UX331UAL] Touchpad events become slow and laggy To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1793111/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs