Frame rate stutter

[NotSoLeet]

Hello

First of all, thank you for taking the time to read this thread. I built a new system a few months ago (kind of a budget rig) and have had no issues until recently. My card is a GTX 550ti. Lately, in certain games, I've been getting a weird stutter in my frame rate when I absolutely shouldn't be...example: Portal 1 - settings on high. Does anyone have any idea what could cause this?

 

[torchinq]

I used to have a build that had two 550ti's in SLi and I know what your talking about I cant tell you what the cause is but i can tell you that usually just closing the game logging off and logging back in or restarting the computer fixes it hope i can help!

 

[Viking2121]

In Nvidia Control Panel and look for pre render frames and set it to 1 and see if that helps at all, if already set, set it to 3 or so.