HP Notebook PCs - Driver for SM Bus Controller in Windows This document pertains to HP and Compaq Notebook computers. When you upgrade or change the Windows operating system to a different version of Windows than was originally installed on your computer, you may have an issue with the SM Bus Controller not installing correctly. HP EliteBook Folio 9470m drivers will help to eliminate failures and correct errors in your device's operation. Download HP EliteBook Folio 9470m drivers for different OS Windows versions (32 and 64 bit). After you have downloaded the archive with HP EliteBook Folio 9470m driver, unpack the file in any folder and run it.
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Hi,
1.Do you get any error message when you connect the devices to the computer?
2.What is the make and model of the computer?
3.What is the make and model of the external hardware devices?
4.Have you tried to connect these devices to another computer and checked if its working?
The USB controller of your computer might be defective that’s why you are facing this issue with all the external hardware.
Method 1: Run Hardware and Device Troubleshooter.
If your computer is having problems with a recently installed device or other hardware, try using the Hardware and Devices troubleshooter to fix the problem. It checks for common issues and makes sure that any new device or hardware attached to your computer was installed correctly.
Follow the steps given below:
a) Press Windows + W together.
b) Write Troubleshooting in the search box right up corner and hit enter.
c) Click on Troubleshooting tab.
d) Click on view all option on the upper left corner.
e) Select the Hardware and Device options from the list.
f) Click Next to run the Hardware and Device Troubleshooter.
Please move to the next method if the issue persists.
Method 2: Un-install the USB drivers.
Follow the steps given below to un-install the drivers.
a. Click the Start button, type 'device manager' in the search box, and then click Device Manager..
b. Expand Universal Serial Bus Controllers and right-click on each USB controller.
c. Select Un-install.
Restart the computer. This will re-install the USB drivers. Check if the issue is resolved.
If the issue persists, update the Chipset drivers from the manufacturer’s website.
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You can also refer to the following Microsoft article for more information.
What if a wired device isn't installed properly?
Usb Bus Controller Driver Download
Hope it helps.
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Feel free to use the forums in the future for any questions you may have.