If you are using a Xorg session (and you probably are with Nvidia) then restarting gnome-shell might work around the problem:
1. Alt+F2
2. Type: r
3. Hit Enter
If you are using a Xorg session (and you probably are with Nvidia) then restarting gnome-shell might work around the problem:
1. Alt+F2
2. Type: r
3. Hit Enter