I need some guidance on OCing my GTX 770
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Solved by WereCat,
Download Unigine Valley and Unigine Heaven (it is free).
In MSI Afterburner set your Power Target to max then increase your GPU Core clock in 15MHz increments and everytime you do that let run the Unigine Benchmark. If your screen turns black and reset back that means your OC is unstable and you have to take away few MHz from your core clock.
Same apply for if you see some artifacts in those benchmarks.. that means your OC is unstable.
First OC your Core as much as possible using this method. Once you know where is your max overclock you can do the same with VRAM (memory). You can bumb up memory 50MHz at the time to be safe. Then again back to benchmarks.
No need to touch voltage.
(Always run benchmarks on highest settings!).
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