If your Realtek audio driver installs failed, the installation process maybe is incomplete. Following to fix the Realtek driver installation issue and then successfully install Realtek HD audio driver for Windows 10.Ĥ: Remove Conflict Drivers Solution 1: Uninstall Realtek Audio Driver Obviously, this error is directly related to the driver, so the next solutions will be easier. This means your Realtek HD audio driver is missing and encountering an installed error. When you enter the device manager, you will find the Realtek High Definition adapter is missing or marked with a yellow exclamation. When you downloaded the latest version of Realtek HD audio driver from the official site and install it, it pops up an error “ Install Realtek HD Audio Driver Failure!!“. Most of the computer will use the Realtek High Definition Audio as an audio device.