* Turn the computer and S2716DG off
* Disconnect the S2716DG USB upstream cable from the computer and the rear of the S2716DG
* Turn the S2716DG on, then the computer
* Run the free Intel Driver Update utility and see if it installs any newer or missing drivers. Once installed, Click Start- Intel Driver Update Utility- Intel Driver Update Utility 2.0. Then click "Auto detect...". When done, restart the computer
* Once restarted, open the Device Manager and verify that there are no bangs or unknown devices. If NONE, leave the Device Manager open
* Connect the S2716DG USB upstream cable to the S2716DG, then to the computer. Does the Device Manager show new hardware activity?