################################################################################# ################################################################################# To show the "NVIDIA USB2.0 Enhanced Host Controller" on Device Manager. 1. Press "Start" button then Move to "Settings" and select "Control Panel". 2. Double click on "System" icon. 3. Click on the "Hardware" button and Click on the "Device Manager" button. 4. Double click "PCI Universal Serial Bus" and click "Next". 5. Select "Reinstall driver" button and click "Next". 7. Select "Specify the location.." and click "Next". 8. Select "Display a list of ..." and click "Next". 9. Select "Universal serial Bus Controllers" and click "Next". 10. Select "Nvidia USB 2.0 Enhanced Host Controller" and click "Next". 11. Click "Finish" after the driver installation is complete.