Run the scan to automatically find the missing SM Bus Controller driver. Method 3: Manual Fix via Device Manager
: Click Download , run the .exe file, and follow the on-screen prompts. Restart : Reboot your computer to apply the changes. Method 2: Use Dell SupportAssist sm bus controller driver windows 10 64 bit dell
Finding a yellow exclamation mark next to the in your Windows 10 64-bit Device Manager is a common issue for Dell users, especially after a fresh OS installation. This error indicates that the System Management Bus driver—responsible for managing motherboard voltage, temperature, and low-speed communication between system components—is missing or unrecognized. Run the scan to automatically find the missing
Choose > Let me pick from a list of available drivers on my computer . Select System devices from the list, then click Next . Method 2: Use Dell SupportAssist Finding a yellow
If you cannot download the installer, you can sometimes force Windows to recognize the controller using its built-in list: Right-click the button and select Device Manager .