When playing DayZ, after about 5-10 minutes of starting the game, the game will freeze up, and after it unfreezes in about 5 seconds everything is super low poly and it loads the LOD's very close up. My character and all the buildings and objects become very blocky and low resolution. The grass always stays the same though. Also the trees become 2 dimensional and rotate around my camera. Most if not all of the shadows disappear and the game looks very bright. On top of all of this my FPS goes from 50-60 down to 5-10.
You can see what it looks like in my attatched picture. {F31190}