I have no idea if you can change the screen size or whatever the technical term for it is LOL
But my other computer used to do that I'd have to scroll across.
I sometimes used my arrow keys to do so, As well as the mouse and just move the bar Im guessing you cant do that if it's invisible tho LOL
So I'd say try using your arrow key to move it over, That should work, It used to for me on my other comp
Hope it works 