It might be a bios issue. Please follow these steps: Read where it says "Changing the Boot Option Configuration Line" so as to boot the live cd with a custom option https://help.ubuntu.com/community/BootOptions#Changing the Boot Option Configuration Line
and add the following options instead of the one in the example (which is vga=771): hpet=force i8042.nopnp if this doesn't work, try the following options: i8042.reset i8042.nomux i8042.nopnp i8042.noloop Let me know if it solves the problem -- touchpad does not work after upgrade https://bugs.launchpad.net/bugs/417084 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