Update Realtek HD Audio Driver After Upgrade to Windows 10
The "Audio Device on High Definition Audio Bus" shows as exclamation in device manager, did you have this problem with your Windows 10 system? After you upgrade the system from Windows 7, 8, 8.1 to Windows 10, sometimes, the audio driver will not compatible with the new Windows 10 system. So your computer maybe do not have sound.
Solve this problem, what you need do is install and update the Realtek High Definition Audio driver. It will fix this problem perfect. And you can try to the next two ways.
Way 1: Manually Update Realtek High Definition Audio Drivers for Windows 10
The manually way will download the drivers from the official site, and then maunally install it.
Step 1: Find the Realtek products drivers download page:
Click this link to enter the Realtek drivers download page.
Step 2: Choose High Definition Audio Codecs.
On this page, choose the audio hardware you want to download and update. Also, if want to download the drivers for AC'97 Audio, click the link, it will takes you to the driver page.
Step 3: Accept Realtek drivers download agreement.
Select the option "I accept to the above", and then click "Next".
Step 4: Choose 32bit or 64bit drivers to download.
Here because my computer is 64 bit, so I choose the 64bits system. Click the right "Global" it will start download the driver.
Of course, Realtek customized other two packages, an EXE file and a ZIP file. It supports 32 bit and 64 bit. The different is the size. The compatible package is larger than single 32/64 bit.
Step 5: Install Realtek drivers.
Double click the 0006-64bit_Win7_Win8_Win81_Win10_R279.exe package to install this driver.
After you run this program, it will start extract this file.
Then click "Next".
This interface will show all the guideline and all you need is click "Next" in all these process, you need restart your computer twice.
The Realtek High Definition Audio Windows 10 driver process is:
1) Uninstall current Realtek audio driver.
Click the "Next" button to remove the original Realtek HD Audio Driver in your system. Then reboot the system.
2) Install Realtek audio driver on the system.
After reboot, setup program will install the audio driver automatically. And you need to reboot Windows 10 again. After enter Windows 10 system, you will find the new Realtek drivers had already installed.
Automatically Update Realtek High Definition Audio Drivers for Windows 10
I think the way 1 will be some complex because you need to find it first, and then download it. After that you need to restart the computer twice when you install this driver. Compared to way 1, the automatically way is more easy and fast.
Here I will recommend the Realtek HD Audio Drivers automatically update tool - Driver Doctor. It is a professional driver download, update and fix tool for Windows 10, 8, 7, Vista and XP.
Step 1: Download Driver Doctor.
The latest version of Driver Doctor is totally supports Windows 10.
Step 2: Click "Scan Now" button.
This will help you scan your computer hardware driver information, also including Realtek audio hardware.
Step 3: Get drivers.
Click the "Get Drivers" button after the scan now process finished.
Step 4: Download drivers.
Here you can view the Realtek Audio need update. Click the "Download" button to start download this driver.
Tips: When you click the hardware name "Realtek Audio", the driver information will appear.
Step 5: Install drivers.
After the download finish, click the "Install" button, it will start install the new HD Audio drivers for you.
Summary: The two ways can solve your realtek high definition audio drivers issue after upgrade to Windows 10 easily. Try to follow one way you want to.