File opens in a window larger than my screen size, so aggravating!

So I'm working on my laptop... When I open any image file, the new file window that opens up in Photoshop is larger than my screen, so that I can't reach the bottom right hand corner "resize" square that you would normally hold down and drag to resize your window to the desired size. HOW DO I FIX THIS? It's driving me crazy, and wasting a lot of time.  I've tried opening in tabs (doesn't work), docking to the Photoshop tools window, I've looked at all the settings.  The only solution I've found is to open a different file I've already saved that has a smaller window opening, and then dragging the new photo into the smaller one as a second tab. Super annoying. Someone has an easy fix, right? Thanks!