Realtek has released new Realtek High Definition Audio drivers
Download for Vista/7
Audio drivers available for download from the Realtek website are general drivers for our audio ICs, and may not offer the customizations made by your system/motherboard manufacturer. To be sure you obtain the full features/customizations provided in your original audio product, please download the latest drivers from your system/motherboard manufacturer's website.Download for Windows 2000/XP/2003
This download contains both the 32 and 64 bit versions.
Download for Vista/7