Open (pre-installed on most Dell PCs) or download it from Dell's site.
Run the scan to automatically find the missing SM Bus Controller driver. Method 3: Manual Fix via Device Manager sm bus controller driver windows 10 64 bit dell
: 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 Open (pre-installed on most Dell PCs) or download
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. Restart : Reboot your computer to apply the changes
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 .
: Ensure the operating system is set to Windows 10, 64-bit .