was your gpu driver the same version after the format?
It was the same. I had the XFX's driver on first but it was uninstalled before I install the Asus. But when I installed the Asus driver from the disc that came with the package, there was an error at the end but the card works fine so I didn't bother. After the format, I put on the same driver from Asus' disc.
But after the format when I tried to run the FFXIV benchmark, I got an error said the d3dx9_41.dll is missing. So I downloaded and installed the DirectX End-User Runtime Web Installer from Microsoft. Could this be the cause of the issue?