On Friday night, defeated, he closed the laptop. The rain hammered against his window. He was about to give up and buy a new motherboard when he stumbled upon a Reddit post from three years ago. The username was simply u/Dell_Repair_Ghost .
This is a very common issue, especially on Dell laptops and desktops like the XPS, Inspiron, Latitude, and G-Series. While your computer might still function, this error indicates that your system is missing a critical communication driver. sm bus controller driver windows 10 64 bit dell
The most reliable method is to grab the driver directly from Dell Support . On Friday night, defeated, he closed the laptop
Look for a sticker on your laptop bottom or desktop tower. Go to Dell Support: Visit dell.com . On Friday night