“Yellow Exclamation Mark on SM Bus Controller” states SM Bus Controller Driver is missing or not installed properly. Once possible solution to fix this problem is to reinstall or update drivers. Here, we are discussing on “How to update or reinstall SM Bus Controller Driver on Windows PC” in details and providing some recommended steps to do so. Let’s starts the discussion.

1. Sm Bus Controller Drivers Not Installed
2. Sm Bus Controller Driver Intel

What is SM Bus Controller Driver?

“SM Bus Controller” is a set of Integrated Circuits (ICs) or Chipset that is located within your computer. It is also known as “System Management Bus Controller” that provides two-wire interface monitors the voltage and temperature, and can send a limited numbers of error messages when any problem occurs. This controller allows the system and power-related components to communicate with other parts of the computer.

I have two items that show up in Device Manager with yellow question marks - PCI Bridge Device and SM BUS Controller. I have tried to update/install drivers for them but each one fails telling me it cannot locate a driver. Posted by eddyq: “Need SM Bus Controller driver” I have an eMachine model ET1161. It uses the Nvidia chipset. I have loaded XP onto it and the manufacturer does not have drivers for XP. Hello, I have a non branded PC. I have just reinstalled XP Professional. Under Device manager the SM Bus Controller item has the yellow question mark.

“SM Bus Controller Driver” acts as mediator between SM Bus Controller and Operating System of your computer. In simple word, this driver software is required to install in your computer. In case if this driver is not installed, missing or corrupted, you might receive System error messages. You can check the status of this Controller in “Device Manager”, if you see “Yellow Exclamation Mark” on it, then you need to update or reinstall SM Bus Controller Driver on your Windows device. Don’t be panics, please read & follow our instructions to do so.

[Tips & Tricks] How to Download and Install SM Bus Controller Driver? [Manually]

Step 1: At first, you need to visit your PC chipsets manufacturer website. If you have Intel Chipsets, then visit “Intel Downloads Center” to download Intel Chipset Drivers

Sm bus controller. What do I need to download to install the SM Bus Controller for the Lenovo TS430-0441 tower? I need SM Bus Controller driver for TS430-0441 2013-03-07, 5:27 AM.

Step 2: On the webpage, type “Intel Chipset Drivers” in “Search box” and set the product to be “Chipsets”

Step 3: Select “Drivers” as “Download Type” and “Windows 10” as Operating System from dropdown. You can select the operating System which you are using

Step 4: Select the drivers file name with the latest date

Step 5: Now, click on “Setup.exe” to download

Step 6: Double-click on “Setup File” and follow on-screen instructions to finish the installation process

Step 7: Once done, restart your computer to save the changes and please check if SM Bus Controller Driver issue is resolved.

How to update or reinstall SM Bus Controller Driver?

Step 1: Press “Windows + X” keys together from keyboard and select “Device Manager”

Step 2: Locate “Other Devices” category and expand it

Step 3: Right-click on “SM Bus Controller” and select “Update Driver Software…”

Step 4: In the next window, select “Search automatically for updated driver software”

Step 5: This process will install the latest driver software for your SM Bus Controller.

Step 6: Once done, reboot your computer to save the changes.

How to update or reinstall SM Bus Controller Driver? [Automatically]

The above drivers update procedure requires to computer skills to complete the process. So, you can choose “Automatic Drivers update software” to do so. This software will automatically recognize your computer and find the correct drivers for it. To get this software, click on above link.

You may also read:Fix Intel Thunderbolt Controller Driver not working Windows 10

Conclusion

“SM Bus Controller” is essential component of your computer and its driver software is required to communicate with SM Bus Controller and Operating System of your computer.

I am sure this article helped you to “How to update or reinstall SM Bus Controller Driver on Windows 10” with easy methods. You can read & follow our instructions mentioned above to do this. If you have any suggestions or queries regarding this, please write on comment box given below.

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