I've tried adding kernel boot switches: i8042.reset i8042.nomux i8042.nopnp i8042noloop
and also noapic. They made no difference. ** Bug watch added: Linux Kernel Bug Tracker #93791 https://bugzilla.kernel.org/show_bug.cgi?id=93791 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1906128 Title: Touchpad not deteced on Bytespeed C15B laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1906128/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs