all the tests under dxdiag came up ok....
I noticed the performance decrease right after I cleaned out all the dust from my case a few days ago, I'm going to check to make sure that I didn't knock anything loose....
Went to safe mode, checked for all viruses, malware, and spyware. Plenty of space on my hard drive. Taskmgr shows that nothing is using resources except the game.
All of a sudden, my computer has become very slow and I can't figure out why. Before, I would have no problem playing games such as Half-life 2, Counter-strike: source, Flight Simulator: Century of Flight, or Need for Speed Underground 2 very smoothly at high detail settings. But all of a...