I was gonna say that sounds like Vertical Sync too, so, check that out.

Windows Aero is, simply put, a graphical feature of windows. This is the feature that makes the panes look glass-like and lets you see a preview of the items in your taskbar at the bottom by mousing over them for a couple seconds. On some systems it takes a lot of processing power, and disabling it may improve your experience. You can do that by following these instructions, it's easy.

http://www.howtogeek.com/howto/windo...Speed=noscript