Audio problems

Hello, can anyone help me i reinstalled windows today due to malware, after doing so i have been reinstalling drivers on my pc, however my audio driver doesnt seem to be installing properly, in device manager im getting a legacy audio driver however in its properties it says location unknown, when i install the drivers for the chip nothing changes, it is an msi 975x platinum, everything else is working great just sound not working, any help would be great.