SigmaTel drivers are tiny programs that enable your SigmaTel hardware to communicate with your operating system software. Maintaining updated SigmaTel software prevents crashes and maximizes hardware and system performance. Using outdated or corrupt SigmaTel drivers can cause system errors, crashes, and cause your computer or hardware to fail. You have to find out what model number you audio component has. Since the Vista (and hopefully 7) driver I found at this link only works for a couple of models: The Sigmatel AC97 audio driver is for Windows Vista, Windows XP or Windows 2000. Technically, it is the rather long winded: Sigmatel C-Major STAC 9750 AC97 WDM Audio Driver. VIA Audio has updated their drivers as of 8/18/2015. They previously did not have any released for Windows 10 yet, these solved some problems I was having with VT 2021 codec! VIA Vinyl Audio - VIA Technologies, Inc.

After you upgrade your computer to Windows 10, if your SigmaTel Sound / Audio Drivers are not working, you can fix the problem by updating the drivers. It is possible that your Sound / Audio driver is not compatible with the newer version of Windows.

How to Update Device Drivers

There are two ways to update drivers.

Option 1 (Recommended): Update drivers automatically - Novice computer users can update drivers using trusted software in just a few mouse clicks. Automatic driver updates are fast, efficient and elimate all the guesswork. Your old drivers can even be backed up and restored in case any problems occur.

OR

Option 2: Update drivers manually - Find the correct driver for your Sound / Audio and operating system, then install it by following the step by step instructions below. You’ll need some computer skills to use this method.

Option 1: Update drivers automatically

The Driver Update Utility for SigmaTel devices is intelligent software which automatically recognizes your computer’s operating system and Sound / Audio model and finds the most up-to-date drivers for it. There is no risk of installing the wrong driver. The Driver Update Utility downloads and installs your drivers quickly and easily.

You can scan for driver updates automatically with the FREE version of the Driver Update Utility for SigmaTel, and complete all necessary driver updates using the premium version.

Tech Tip: The Driver Update Utility for SigmaTel will back up your current drivers for you. If you encounter any problems while updating your drivers, you can use this feature to restore your previous drivers and configuration settings.

Sigmatel Stac 975x Ac97 Audio Driver Windows 10

1. Download the Driver Update Utility for SigmaTel.

2. Double-click on the program to run it. It will then scan your computer and identify any problem drivers. You will see a results page similar to the one below:
   

3. Click the Update Driver button next to your driver. The correct version will be downloaded and installed automatically. Or, you can click the Update Drivers button at the bottom to automatically download and install the correct version of all the drivers that are missing or out-of-date on your system.

Option 2: Update drivers manually

To find the latest driver, including Windows 10 drivers, choose from our list of most popular SigmaTel Sound / Audio downloads or search our driver archive for the driver that fits your specific Sound / Audio model and your PC’s operating system.

If you cannot find the right driver for your device, you can request the driver. We will find it for you. Or, try the automatic option instead.

Tech Tip: If you are having trouble finding the right driver update, use the SigmaTel Sound / Audio Driver Update Utility. It is software which finds, downloads and istalls the correct driver for you - automatically.

After downloading your driver update, you will need to install it. Driver updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow. Visit our Driver Support Page to watch helpful step-by-step videos on how to install drivers based on their file extension.

Audio Sigmatel Driver Windows 7

How to Install Drivers

After you have found the right driver, follow these simple instructions to install it.

Windows 10 Download

1. Power off your device.
2. Disconnect the device from your computer.
3. Reconnect the device and power it on.
4. Double click the driver download to extract it.
5. If a language option is given, select your language.
6. Follow the directions on the installation program screen.
7. Reboot your computer.

Scan performed on 4/24/2017, Computer: Dell Inspiron N4050 - Windows 7 64 bit

Outdated or Corrupted drivers:10/20

Sigmatel Audio Driver Win 10