I can confirm similar behaviour on 14.04 64-bit with ETPS/2 Elantech Touchpad. As soon as I attach an external monitor over VGA, my touchpad loses precision: the cursor fidgets as I move it around. I can barely aim it at a button to click.
-- 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/726832 Title: Touchpad speed scales with multimonitor size per axis To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-driver-synaptics/+bug/726832/+subscriptions _______________________________________________ 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