After you go to the website, Click High Definition Audio Codecs (Software).
Follow the on-screen instructions and download the correct driver corresponding with the version of Windows.
After the initial scan, Driver Assist matches your device with the latest and most up to date version of your drivers by scanning its 26 million drivers database.
If you see a yellow question mark on the name of the sound card in Device Manager, there might be a problem.
You can update the Realtek audio driver automatically with the Free or the Pro version of Driver Easy. Driver Easy will detect all problem drivers instantly and provide you with new drivers.3.
But with the Pro version it just takes 2 clicks (and you get full support and 30-day refund guarantee.)1. Click Update button next to the Realtek audio driver, then download and install the correct version of this driver.
The Realtek audio hardware is the device that is embedded or plugged into your motherboard that processes one audio signal and modifies that signal so that it is produced properly by your speakers.
A Realtek audio driver tells the Realtek audio device how to output sound from your speakers.