I recently built a new PC and ran into a problem where the integrated audio wasn’t working. The motherboard is a MSI P35 Platinum (revision 1.1) which uses the Realtek ALC888 codec. A new install of Windows XP Pro didn’t recognize the audio until I installed the HD audio bus driver from Microsoft.

Here were the steps:

1. Open device manager (I right-clicked on My Computer, selected Manage, selected Device Manager)
2. Look for an entry named PCI Device under “System Devices” with a warning icon (little yellow circle with a black exclamation mark)
3. Right-click on PCI Device, select Update Driver…
4. When asked Can Windows connect to Windows Update to search for software?, select Yes, this time only or Yes, now and every time I connect a device, then click Next >
5. When asked What do you want the wizard to do?, select Install the software automatically (Recommended)
6. Wait for the wizard to finish

For me, this found the right driver, installed it and my audio started working immediately.

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