i may have fixed my game, not only my GPU is about 35% at high(desktop) graphics, and it can spike up to 70% when doing heavy stuff, otherwise its pretty low, and this could have also fixed the Dx11 error i been getting.
what i did was reinstall my GPU in the PC and completely uninstalled reinstall FF14 and deleted the save folder in Doc/my games.
i think ill be ok now. ^^