Graphics card skips/studders?

I noticed over the past few weeks that occasionally when im watching videos or playing games my computer or something randomely skips or studders for like 1 second and continues to play while its skipping the audio skips with it as well. Sorda hard to explain ill upload a video to try and show what happens.
The image url and video url explain whats occuring
http://img682.imageshack.us/img682/3586/skipping.png
http://www.youtube.com/watch?v=cbv_I298K28 it occurs at the end
MY info is
AMD phenom x4 940 BE
4GB DDR2 RAM
Sapphire 5770
Windows VIsta 64bit
8 answers Last reply
More about graphics card skips studders
  1. Do you have the latest VGA drivers installed ?
  2. What games? Resolution?
    have enough power on PSU?
    just like Maziar said above, install the latest driver...
  3. It happens for youtube videos, WoW, almost any thing that requires video. I run my monitor at 1360x768 and i got well over enough power i got a 700w Raidmax PSU. As far as the drivers go i got the up to date driver version 10.8 which is the most recent.
  4. What are your card's idle clock speeds ? (they should be 157/300 by default)
  5. yea they are at 157/300 i cant really seem to pin point the problem my card isnt overheating my processor isnt overheating i just dont know....
  6. Disable windows aero and see if it helps
  7. Windows Aero is already disabled :(
  8. Maybe your card is defective then.
    Can you test it in another system or test a different card in your system ? If you can't,then RMA it
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