Windows 7 does not natively support all modern hardware via Windows Update, but it is worth attempting if you have an active internet connection.
The SM Bus controller driver is part of your motherboard’s chipset driver package. sm bus controller driver windows 7 64 bit
While it sounds technical, the fix is straightforward. Here is everything you need to know about what this controller does and how to get the right driver installed. What is the SM Bus Controller? Windows 7 does not natively support all modern
SM Bus Controller Driver for Windows 7 64-bit: What It Is & How to Fix It Here is everything you need to know about
If you’ve just installed Windows 7 64-bit on an older or custom-built PC, you may have noticed a yellow exclamation mark next to "SM Bus Controller" in Device Manager. Don’t panic—this is a very common issue, and it doesn’t mean your hardware is broken.