Okay, so recently I installed Windows 7. I have an XP on the PC too so you can say it's a dual boot system or w/e. What I noticed is, my games ran completely fine on XP, no lag (spikes), all on high. But on W7 I get sudden lag spikes for no apparent reason. Like, on XP mw3 would run 60 fps constant, while here, it goes from 60 to 15. I really do not know what may be causing the problem, and I'm really annoyed by it. My system specs:
Processor: Intel Pentium 4 CPU 3.00 GHz (2 CPUs)
Graphics card: ATI Radeon HD 4650
Memory: 2560 RAM
DirectX version: DirectX 11
If anyone knows any solution or knows of a way to help, please do. Thanks.