Tiny Game Screen Bug and Playing League right now

So I was playing league with , Normal Blind Pick. Somewhere around 10 mins, my laptop shut off unexpectedly and it has full battery, wifi was good. And didnt know what happen so I turned it on and I went on league. I reconnected the game and suddenly. There was a tiny or a small screen and I didnt know what happen so I just leave the computer alone and report this. JTK im on my Phone