Clean re-install of Windows 7 and motherboard drivers

Hi How do I perform a clean re-install of Windows 7 which would completely remove motherboard drivers on the system? This is my very first self-build and I have some system instability as some motherboard drivers failed to install correctly. For example, despite having installed an audio hd driver, the audio GUI kept turning on and off by itself and so I've had to disable it. It's properties...