dvd drive not working rgh

HEY! So I recently tried to get my DG-16D4S to work for my rgh but it won't! I dumped my NAND and opened it in j-runner and patched the NAND. I also clicked "disable FCRT bin check" in Xebuild. I made sure to put the correct dvd key by checking XeLL. I also tried to downgrade the kernel but the...