[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 cause 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 upgrade, and something runs error. What you need do is reinstall the Dolby audio driver for your laptop or desktop.
How to Uninstall and Reinstall Dolby Advanced Audio Drivers in Windows 10?
Step 1: Enter the Programs and Features Panel.
First, in left bottom of taskbar, input "Control" in the search box, and it will show many match results, click the first one "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 then restart.
Of course you can enter the device manager, and find the "sound, video and game controllers" to uninstall the audio hardware drivers.
So you are uninstalled the Dolby audio driver for Windows 10.
Step 3: Reinstall Dolby Advanced Audio V2 Drivers.
There are several ways you can download Dolby audio drivers. If you do not want to download and install the audio drivers by yourself, or you want to save time when do this thing. You can view this article: automatically download and update audio drivers for windows 10.
Another way is download the drivers from the official site. Dolby official do not provide drivers download, so you need to download the drivers from the manufacturers 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 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 of uninstall and reinstall drivers is you can try 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 is supports Windows 10 system.