AC 97 is onboard sound - I haven't had any problems with SP3 and Realtek but, if I had, the first step would have been to download the latest drivers version (currently WDM_A405) for my particular Realtek sound chipset.
OnePlus 5 review
See the work of famous artists playing with toys
iPad Pro 10.5in (2017) review
Comment faire une capture d’écran sur un Mac ?