I was playing BF:BC2 and on first boot it played smoothly but when I died it all went to <language> and lagged like crazy. Here's a graph with my attempt at explaining what's going on: http://i.imgur.com/iojhwrU.png
I reinstalled drivers and enabled max performance. Could this be a hard drive issue by any chance?
I reinstalled drivers and enabled max performance. Could this be a hard drive issue by any chance?