The grub method didn't work for me on two machines (stock standard Lenovo T60).
Interestingly, if I logout the mouse pointer appears in the GDM login screen, then it works fine when I login.
The grub method didn't work for me on two machines (stock standard Lenovo T60).
Interestingly, if I logout the mouse pointer appears in the GDM login screen, then it works fine when I login.