Hey guys. I have been using this monitor for the past year and when I reconnected it there's some strange white/grayish color difference in the bottom left corner. I've attached a picture of it so you guys can see what I'm talking about. I don't wanna take it to a monitor repair and pay some ridiculous amount for such a small problem. I'm just wondering if anyone knows what exactly is wrong with it maybe like a loose cable or something? Any help is greatly appreciated.