If you have no sound, skip the troubleshooting wizards. Go straight to your PC manufacturer's support website, type in your model number, and download the latest audio driver. It saves time and headaches.
Many PCs use Realtek audio. Here’s the best approach:
If you have both Realtek HD Audio and NVIDIA/AMD High Definition Audio in Device Manager, they serve different purposes. Realtek = analog jacks (green, pink, etc.). NVIDIA/AMD = audio over HDMI/DisplayPort. Disable the one you don’t use to avoid confusion.
After installing the driver: