Post #103 in this bug report seemed to fix this issue for me on my HP dv7 laptop (https://bugs.launchpad.net/bugs/549727). I've rebooted several times, and I am now able to enable and disable my touchpad without the gnome menus or keyboard breaking.
-- Keyboard does not work when touchpad disable button pressed https://bugs.launchpad.net/bugs/571638 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-input-synaptics in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp