When the error that Unable to start the Dolby audio driver happens to you, you must be very upset for you cannot enjoy the music, movie, etc. In effect, the reason why the Dolby audio trouble appeared is obvious which you can easily get from the popped error message, it is mainly due to the Dolby audio driver issues. You can solve the Lenovo, Acer Aspire, HP or any other brand of the computer cannot start the Dolby audio driver issues if you can follow the next ways.
You are suggested to update the Dolby audio driver to the latest version in different ways with reference to the next methods. What is more, you are also suggested to change the bit and depth of the Dolby audio.
Solution 1: Uninstall the Dolby Audio Driver
You will simply think about that you can reinstall the Dolby audio driver in view of the error message, here you are able to follow the next procedures to make it start on Windows 10.
1: Right-click the Start button and click Control Panel from the list to open it.
Step 2: Navigate to Programs and features and tap it to get into it.
Step 3: Find out the right Dolby audio driver and right-click it to Uninstall it.
It is often the case that you cannot find the exact Dolby audio driver. In this way, you can also locate the IDT High Definition audio driver or Realtek audio driver or Conexant Smartaudio driver in Program and features window. Once you have found them, Uninstall them all.
And then you are required to reboot your laptop or desktop to make it take effect.
Now you can start your Dolby audio driver and enjoy the beautiful music.
Solution 2: Reinstall Dolby Audio driver
You may have uninstalled the Dolby audio driver or any other audio driver from the control panel, now it is the time that you reinstalled them.
There are three different ways for installing the new Dolby audio driver you can choose to start the audio driver. Firstly, go to the Manufacturer’s site to download the new Dolby audio driver. Secondly, reinstall the Dolby audio driver via device manager. Thirdly, download and install the Dolby audio driver automatically by using Driver Doctor.
1: As for the first way to reinstall the audio drivers, you can directly go to the website to download the latest Dolby audio driver, such as Lenovo, Dell, ASUS official site. It is a way requiring your resourceful knowledge. Here are some tutorials: how to download Dell Audio Drivers for Windows 10, how to download ASUS audio drivers for Windows 10, etc.
2: The second way, you can go to the following path: Device manager > Sound, video, and game controllers > right-click to Uninstall the right Dolby audio driver. You should also make sure you have checked the option to delete the driver from the software in this process.
After you rebooted and signed in again, Windows 10 will have automatically reinstall the Dolby audio driver.
3: The third way needs to download Driver Doctor at the beginning.
Then you are instructed to click three clicks on the screen, namely, Scan Now, Get Drivers, Download All. Each step is prepared to help you install the new Dolby audio drivers. Meanwhile, it is rather quick for you to install the audio driver for Windows 10 with the help of Driver Doctor which is a safe and professional driver tool.
If you have reinstalled the Dolby audio driver, you can try to check if the Dolby audio driver is working,
Solution 3: Change the default Format
If you cannot solve the Dolby audio driver not working or not starting issue by reinstalling the Dolby audio driver, it is a perfect choice for you to try to change the sound or headphone default format.
Step 1: Right-click the sound or headphone icon in the right corner of the desktop. And here is the solution to fix sound icon missing in the taskbar if you can not find it.
Step 2: Choose Playback devices.
Step 3: Right-click the Speaker or Headphone to set it as the default device. Here set the Speaker as the default device.
Step 4: Click Properties to open it of Dolby audio.
Step 5: Scroll to Advanced and locate Default Format. Here you can change the rate and depth of the default device and then Test it to check if the Dolby audio driver is starting.
It is not easy for you to change a default format which can exactly solve the Dolby audio driver does not start. So you are supposed to try changing it for several times until it works well on Windows 10.
In conclusion, if you are experiencing the Dolby audio driver is unable to start, it is certain that you can select a solution.