[Solved] Unable to Start the Dolby Audio Drivers in Windows 10
Dolby Home Theater V4 and Dolby Advanced Audio V2 are two famous audio programs. Many popular manufacturers such as Acer, Lenovo, Toshiba and Samsung are equipped with Dolby audio technology. But there is a common error message about Dolby advanced audio is "Unable to Start the Dolby Audio Driver" after upgrade Windows 8/8.1 to Windows 10.
This may be caused by the incompatible Dolby advanced audio driver after you upgrade to Windows 10, the old version driver is not compatible with the new system. Or after the upgrade, something runs wrongly. What you need to do to is reinstall the Dolby audio driver for your laptop or desktop.
How to Uninstall Dolby Advanced Audio Drivers in Windows 10
Step 1: Enter the Programs and Features Panel.
First, type Control in the search box, and it will show many match results, click the first one Control Panel. There are other 2 methods you can choose to enter control panel.
Then after you enter the control panel, find the Program and Features item.
Step 2: Uninstall Dolby advanced audio driver.
From the center of Programs and Features panel, we will see many program lists. We need to find the program called Dolby Advanced Audio V2 program and choose the Uninstall/Change after you right click your mouse. Following the uninstall guideline to uninstall it.
If you cannot find the "Dolby Advanced Audio V2", try to find another program or driver name, such as "Realtek High Definition Audio", or "Conexant SmartAudio" or "IDT High Definition Audio" driver and uninstall it. Then you need to restart your computer.
Of course you can enter device manager, and find the sound, video and game controllers to uninstall the audio hardware drivers.
So in this way you have finished uninstalling the Dolby audio driver for Windows 10.
How to Reinstall and Update Dolby Advanced Audio Drivers
There are several ways you can choose to download Dolby audio drivers. We know you cannot find the Dolby audio driver from Dolby website. If you cannot find the drivers by yourself, you can update it automatically.
You can view this article: easily update Dolby audio drivers in Windows 10. And this can save you more time.
Another way is to download the drivers from the official site. The official site of Dolby does not provide users the drivers to download, so you need to download the drivers from the manufacturer's drivers support page.
For Lenovo: http://www.support.lenovo.com/us/en
For Acer: http://www.acer.com/ac/en/US/content/drivers
For Surface: https://www.microsoft.com/surface/en-us/support
For Samsung: http://www.samsung.com/us/support/downloads
After you enter the models and download the Dolby audio drivers for your laptop/desktop, follow the installation guideline to install it.
So if you have the same problem after you upgrade the system from Windows 7 to Windows 8 or Windows 8 to Windows 8.1, you can also use this way to solve it.
There is another thing you can do besides uninstall and reinstall drivers, it is trying to change the studio quality (bitrate) for the device.
How to Reset the Audio Device Bitrate?
1. Right click your audio icon in the right corner of taskbar, and then choose the "Playback Device".
2. Choose the default device, select the "Properties" after right click your mouse.
3. In the output properties panel, choose the last one tab "Advanced".
In this interface, try to reset the rate and bit depth as the 2 channel, 24bit/44100Hz or 24bit/192000Hz.
If you cannot solve this problem after you have reinstalled the drivers and reset the bitrate, try to view the manufacturers' support page to find if this laptop or desktop supports Windows 10 system or you can install compatible Windows 7, 8 drivers on Windows 10.