A High Definition (HD) audio device no longer plays audio files after a BIOS update on a Windows Vista-based computer

Applies to: Windows Vista UltimateWindows Vista EnterpriseWindows Vista Business More

Symptoms


A High Definition (HD) audio device may not play audio files after you update the BIOS on a Windows Vista-based computer.

Cause


This problem occurs because the BIOS update changes the pin configuration of the HD audio device.

Resolution


To resolve this problem, you must reinstall the drivers for the HD audio device, and then restart the computer.