Having somehow lost function of my USB ports on my HP Pavilion Notebook (Product Code: K6Z88EA). In device manager, my USB host controllers no longer have working drivers and are all listed under 'other devices' with exclamation marks! (Screenshots attached). The notebook has the AMD A76M FCH Chipset using windows 8.1 64 bit. I've download the latest Chipset drivers from AMD from here. However, running the driver install wizard and rebooting doesn't fix the problem. The errors are still there in device manager. Was the link above correct? It seemed to try to install Catalyst Drivers which is not what I need. Is there anywhere else that I can obtain chipset drivers for the A76M FCH Chipset?
Any help would be much appreciated