Install that and it should bring the Dolby Audio back.You should find one of the results as Dolby.Now open Drive C: on the upper right-hand side of the screen you will find a Search pane.

Now install this software driver: Conexant Audio Driver.Then proceed to Control Panel > Programs > Uninstall a Program.Uninstall the Audio Device Under Audio inputs and outputs.Issues With Dolby Audio On Lenovo Laptops Problem: Unable to start Dolby Audio Driver on Lenovo G780 after Windows 8.1 update Solution Problem: Neither Dolby Audio nor Realtek Audio works on Lenovo Ideapad U510 running Windows 8 64-bit.Problem: Issues with Dolby Audio after upgrading from Windows 7 to Windows 8 on Lenovo G400S.Problem: Issues after upgrading Dolby Home Theatre on Lenovo Z510.Problem: Unable to start Audio Driver on Lenovo E431 after upgrading to Windows 8.1.Problem: Dolby Home Theatre doesn’t work on Lenovo Ideapad Z710 after upgrading to Windows 8.1.Problem: Dolby Home Theatre disappeared from Lenovo Y510p.Problem: Unable to find Dolby Audio on Lenovo G500 running Windows 8.1.Problem: Unable to start Dolby audio driver on Lenovo E431 running Windows 8.1.Problem: Facing issues with Dolby Audio driver after upgrading from Windows 8 to Windows 8.1/10 on Lenovo G480.Problem: Getting the error message on Lenovo U310 running Windows 8.1 that Dolby Audio couldn’t start due to audio driver failure.Problem: Dolby Issue after Windows 8.1 update on Lenovo T420s.Problem: Dolby Home Theatre doesn’t work on Lenovo U410 after Windows 8.1 update.Problem: Dolby Digital Plus Advanced Audio doesn’t work on Lenovo G510 running Windows 8.1.Problem: Dolby Home Theater V4 changed to Dolby Digital Plus after Realtek Audio Driver update Windows 8.1.

Problem: Dolby Advanced Audio stopped working on Lenovo G580 after Windows 8 update.

Problem: Unable to start Dolby Audio Driver on Lenovo G780 after Windows 8.1 update.

Issues With Dolby Audio On Lenovo Laptops.

Dolby digital plus home theater driver