Restart your computer when prompted (or manually restart after installation completes)
It helps your Dell PC check if the components are running at safe temperatures. Fan speed control: It manages cooling system efficiency.
Alternatively, you can try the device uninstall method:
This issue affects a wide range of Dell models, including Latitude series, OptiPlex desktops, XPS systems, Inspiron laptops, and Precision workstations. You may also notice similar driver issues with other devices such as the , PCI Memory Controller , or various Unknown Devices in Device Manager—all of which are typically resolved by installing the same chipset driver package. sm bus controller driver windows 10 64 bit dell
The SM Bus (System Management Bus) controller is a chipset on your Dell motherboard that monitors voltage and temperature . When this driver is missing, it typically appears in Device Manager under "Other Devices" with a yellow exclamation mark. 1. Download from the Dell Support Website
How to Fix SM Bus Controller Driver (Dell Windows 10 64-bit)
This is the safest, most reliable way to get the . Restart your computer when prompted (or manually restart
: Look for a 7-character alphanumeric sticker on the bottom of your laptop or the back of your desktop.
If not already installed, download and install SupportAssist from the Dell Support website
Run the downloaded installer
Switch the Show drivers for Service Tag button to retrieve a list of drivers specifically for your system's factory-installed hardware
Go to and enter your Service Tag. The site will automatically detect your original factory configuration.