PCI\VEN_8086&DEV_4F91
DG2 Audio Controller driver
PCI\VEN_8086&DEV_4F91 is the Intel Corporation DG2 Audio Controller, an audio device. Without it you may get no sound, a missing speaker icon or a device marked as unknown. Get it from Windows Update or your PC maker first; the chip maker's own package is on learn.microsoft.com.
Device details
| Hardware ID | PCI\VEN_8086&DEV_4F91 |
|---|---|
| Device name | DG2 Audio Controller |
| Maker | Intel Corporation (PCI vendor ID 8086) |
| Device type | Audio |
| Driver guide | High Definition Audio Device |
How to install the driver for DG2 Audio Controller
- Confirm the ID. In Device Manager, right-click the device, open Properties, then Details, and pick Hardware Ids. The first line should start with
PCI\VEN_8086&DEV_4F91. - Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Audio drivers often appear here.
- Check your PC maker. Enter your model or serial number on its support site and look under Audio or Sound.
- Use the chip maker's package. Microsoft: High Definition Audio DDI on learn.microsoft.com. Our high definition audio device guide explains which package fits.
- Restart and check. Play a sound and check the output device in Settings, System, Sound.
Other Intel audio IDs
VEN_8086&DEV_43CF500 Series Chipset Family HD AudioVEN_8086&DEV_4B58Elkhart Lake High Density Audio bus interfaceVEN_8086&DEV_4DC8Jasper Lake HD AudioVEN_8086&DEV_4F90DG2 Audio ControllerVEN_8086&DEV_4F92DG2 Audio ControllerVEN_8086&DEV_51C8Alder Lake PCH-P High Definition Audio ControllerVEN_8086&DEV_51CARaptor Lake-P/U/H cAVSVEN_8086&DEV_51CCAlder Lake Smart Sound Technology Audio Controller
Device names: The PCI ID Repository, public data. We never host driver files: downloads come from the maker.