Okay, so I go on Oblivion like I normally do, nothing I've done different. Then it does something so the graphics fit my computer or something (like it does when you go to play it for the first time). I'm like um okay. So I start it up and it's in 640x480 or whatever and it's not full screen. Annoying black bars on the sides. I made the resolution higher and stuff, changed the graphics setting and it worked, except for one thing. It lags. No matter what I play it on. Idk why and Idk what to do..