HDAUDIO\FUNC_01&VEN_8384&DEV_7621

STAC9274D driver

HDAUDIO\FUNC_01&VEN_8384&DEV_7621 is the SigmaTel STAC9274D, an audio codec device. This is the sound chip on the motherboard. Windows plays sound through Microsoft's High Definition Audio driver, while the PC maker's driver adds jack detection, microphones and audio effects. Get it from Windows Update or your PC maker first; the chip maker's own package is on learn.microsoft.com.

Download from learn.microsoft.comFull guide: High Definition Audio Device

Device details

Hardware IDHDAUDIO\FUNC_01&VEN_8384&DEV_7621
Device nameSTAC9274D
MakerSigmaTel (codec vendor ID 8384)
Device typeAudio codec
Driver guideHigh Definition Audio Device

How to install the driver for STAC9274D

  1. Confirm the ID. In Device Manager, right-click the device, open Properties, then Details, and pick Hardware Ids. The first line should start with HDAUDIO\FUNC_01&VEN_8384&DEV_7621.
  2. Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Audio drivers for this codec are often offered here.
  3. Check your PC maker. Enter your model or serial number on its support site and look under Audio.
  4. 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.
  5. Restart and check. Plug in headphones and a microphone and test both in Settings, System, Sound.

Other SigmaTel audio codec IDs

Device names: the HD Audio codec tables in the Linux kernel source, public data. We never host driver files: downloads come from the maker.