Touchpad won't work


Im new user to Zorin. Im using a ibm thinkpad t400.
My mousepad have worked - but then I maked an update and now my mousepad dont work anymore.
But if a make a new user the mouse pad work when I login with the new user. And the mousepad also work before I login as administrator, but as soon as I login as administrator the mousepad stop working. Please help ?

I have tried
sudo dpkg-reconfigure keyboard-configuration
sudo apt install xserver-xorg-input-all
sudo apt-get update && sudo apt-get dist-upgrade

but still the mousepad in the computer wont work if I login as administrator.

Please help