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.