I found the solution: https://askubuntu.com/questions/1248176/ideapad-5-15are05-elan-touchpad- not-working-on-20-04-nor-on-18-04/1257523#1257523
Edit /etc/default/grub and add "initcall_blacklist=elants_i2c_driver_init" to GRUB_CMDLINE_LINUX, run update-grub, power down the laptop and start it again. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1912880 Title: Touchpad (MSFT) not detected on Lenovo Ideapad Flex 5 AMD To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.8/+bug/1912880/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
