Download & Install SM Bus Controller Driver for Windows 11

Fix question mark next to the SM Bus Controller on Device Manager

by Hasibul Kabir
Hasibul Kabir
Hasibul Kabir
Hasibul Kabir is a Tech-Enthusiast Blogger, Web Developer & Hobbyist Game Developer. Writing about Technology, mainly Windows, Mac, and iOS, etc. is his main focus besides doing some... read more
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Vlad Turiceanu
Vlad Turiceanu
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  • SM Bus Controller monitors motherboard temperature and voltage. If there is no proper driver installed for this, some functions may not work properly on your Windows 11 PC.
  • To download the correct driver, you can use Intel Chipset Software Installation Utility or other recommended methods mentioned in this article.
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To download the SM Bus Controller driver for Windows 11, you can follow this article to learn about the most appropriate ways. The full form of it is System Management Bus Controller, which is an essential component to operating a Windows computer efficiently.

You may face any SM Bus Controller error. However, when the driver is missing, it is a different issue.

How can I use the SM Bus Controller driver?

The device, SM Bus, is a small chipset that monitors the temperature, voltage, and other specific things of the Motherboard. It helps software and other hardware to run the computer properly. You need a driver for this device for the following reasons:

  • To get it functional – Without a proper driver, the SM Bus will not work adequately.
  • To enhance PC experience – Based on the temperature and voltage information, Windows or other software may control certain things on the PC. Without the driver, it is not possible.
  • For overclocking – If you use overclocking software, you also may need this driver to maintain things based on the temperature properly.

It is a problematic matter if you see a yellow question mark next to it in the device manager. It indicates you don’t have the required or compatible driver. See the next part of this article to know how you can download this driver.

How do I download the SM Bus Controller driver for Windows 11?

Before proceeding to our methods, we suggest you update Windows 11 to the latest version. To update, follow these steps:

  • Make sure you have updated Windows 11 to the latest version.
  • Also, ensure you are using an Intel-based system.

After ensuring the above things, follow these methods to download the driver.

1. Download from Intel

  1. Download the Intel Chipset Software Installation Utility.
  2. Install it on your PC.
    installing intel chipset software installation utility.
  3. Open it.
  4. Now, it will detect the SM Bus Controller and let you install the proper driver.

After installing, restart your PC.

2. Download using Device Manager

  1. Open the Start Menu, type device manager, and hit Enter.opening device manager windows 11
  2. Find and right-click on the SM Bus Controller and click on Update.updating sm bus controller device manager
  3. Choose the preferred way to update.
  4. Follow the onscreen steps to finish the process.

3. Use a third-party driver updater

The best way to download the SM Bus Controller driver for Windows 11 is by using third-party driver updating tools like DriverFix. This tool can automatically detect any missing or outdated versions of drivers.

It has a huge database. As a result, you can download and install all of the drivers on your PC with just a single click. Else, the DriverFix can run scheduled scans and execute the driver update process automatically, which saves you time.


A great program that saves you time and finds the latest updates for all the drivers.

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The System Management Bus is a device developed by Intel that controls low-speed system management communication. If you have a system with an AMD processor, you may not need this driver.

This article has featured the ways to download and install SM Bus Controller on Windows 11. Feel free to let us know in the comment box if you have any suggestions or opinions.

Still having issues? Fix them with this tool:


If the advices above haven't solved your issue, your PC may experience deeper Windows problems. We recommend downloading this PC Repair tool (rated Great on to easily address them. After installation, simply click the Start Scan button and then press on Repair All.

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