Even with the correct r279 driver, things can go wrong. Here are the most frequent problems and their solutions.
Driver Installation
Restart Your PC
A reboot is required to complete installation. realtekhighdefinitionaudio64bitwin7win8win81win10r279exe
Even with the correct r279 file, issues can arise. Here is a troubleshooting checklist: Even with the correct r279 driver, things can go wrong