Thanks! I tried that, but it wasn't the problem. I just found the solution after scouring the internet for over an hour. It was System Pref --> Mouse --> Screen Zoom. Apparently my cat turned it on when he hopped up on my hand (which was on the mouse) and keyboard. You can switch it to be...
My cat walked across my mac's keyboard, and now my desktop display has about an inch border all around like a frame. Everything is cut off, and I have to make the screen scroll up or down to reach the top or bottom of anything. I fooled with the Display Settings--doesn't help. I have looked...