Overclocking in Afterburner

I recently bought a R6950 Twin Frozr III, and begin overclocking in MSI Afterburner. My problem is that it limits the OC to no further than 900/1350. I would like to unlock this so that I can OC my card further. I have tried going in the cfg file and editing it, but whenever I try to save it in notepad, it just says "Access is Denied" Does anyone know how to fix this?
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More about overclocking afterburner
  1. Sapphire TRIXX, try this instead.
  2. Can I ask one more question though?
    I'm using MSI Afterburner to change the voltage, but even when I change the voltage slider, it doesn't work. It's stuck on 1.15v. How do I fix this?
  3. Just cut and paste the cfg file to your desktop,make the changes then copy it back.
  4. Thankyou, that worked, but i still cant control my voltage. Even if I unlock voltage control and move the slider, it doesnt change the voltage. How do I fix this?
  5. Are you sure your card can make use of voltage changes? Here's a link that might help.

  6. hmm....The picture is a bit hard to follow, do you think you might be able to clarify a bit?
  7. Wait, I managed to follow the instructions correctly, but it didn't work :/
  8. Oh, thanks henydiah, I already had that page saved to my favorites :D
    I decided I wouldn't attempt an unlock until I absolutely needed to, as I don't want to take the risk, since there isn't any dual bios switch.
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