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I was using an Msi Afterburner profile to increase memory clock to +500 and noticed that applying the profile no longer works (the memory OC value stays at 0) Manually dragging the slider only allows me to go to +300 mhz now, yesterday it went all the way to 1000. What happened? I already tried...

I was playing some games and i noticed some lagg i didn't have before. Then i checked my processor was very low usage. But the ram on the other hand shows 90% usage MSI Z97 Gaming 5 8GB Crosair Vengeance i7 4790K GTX 780 MSI 3GB Gaming