Du Yuyang, thank you for reporting this and helping make Ubuntu better. Please execute the following in a terminal: apport-collect 1068984
Could you please provide the information following https://wiki.ubuntu.com/DebuggingTouchpadDetection#In_case_your_Touchpad_doesn.27t_work_at_all_.28No_response_from_the_Touchpad.29 ? Thank you for your understanding. Helpful Bug Reporting Tips: https://help.ubuntu.com/community/ReportingBugs ** Package changed: linux (Ubuntu) => xserver-xorg-input-synaptics (Ubuntu) ** Changed in: xserver-xorg-input-synaptics (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-input-synaptics in Ubuntu. https://bugs.launchpad.net/bugs/1068984 Title: Touchpad not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+bug/1068984/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

