Hello William,

Thank you for contacting Microsoft Community.

Sm bus controller window7 32 bit free download Pci simple communications controller windows 7 32 bit free download Free download of universal serial bus(usb) controller. This time it is the 'SM Bus Controller' driver missing. I have tried to use the sfc /scannow but. New posts Search. Win 8.1 64 bit. SM Bus controller.PNG. 2.5 KB Views: 2,650. It's not obvious to look at the Windows 8.0 drivers when you have Windows 8.1. Don't be too hard on yourself.

I understand that you have an issue with SM Bus Controller and other drivers. I appreciate your efforts to resolve this issue, I will surely help you with this issue.

”A yellow exclamation point next to a device in Device Manager means that Windows has identified a problem of some kind with that device.”

Method 1:

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I would suggest you to run hardware and devices troubleshooter and check if it helps.

a) Press the ‘Windows + C’ to activate the charms menu or move the mouse pointer to bottom right corner of the screen and you will get the charms menu.

b) Click on ‘search’ and select ‘settings’ and type ‘Troubleshooting’ and select ‘Troubleshooting’.

c) Click on ‘Hardware and Sound’ and select ‘Hardware and Devices’ and click on next to run the troubleshooter

Sm Bus Controller Driver Windows 8.1 64 Bit Dell Inspiron

Method 2:

Update the chipset drivers, you may refer to the Dell website for chipset drivers and support software.

1.)On this page select drivers and downloads.

2.)Select chipset driver and download the chipset driver for your Alienware X51 R2.

For further reference:

Hope this helps, Get back to us for further assistance on Windows, We will be glad to help you.