make sure your mb bios is updated has the newest cpu and ram codes and bug fixes there a lot of patches for your mb.
try downloading june update for direct-x some of the older april updates from ms were missing files. check to see if there any minecraft patches your missing and see if there a setting to run in in dx9 or dx10 mode. some games got total rewrites foe newer dix10 and 11. some were just patched. for the gpu make sure it in the pci slot near the cpu. run gpu-z make sure the card and pci slot running at the max pci bus speed.