What is a one-sentence summary of the following article?
Click the Windows logo in the bottom-left corner of the screen. You can also just right-click Start if you want to select Device Manager from the advanced menu. Type device manager into Start, then click Device Manager at the top of the Start results. If you right-clicked Start, click Device Manager in the menu that appears. You'll find this in the "U" section near the bottom of the Device Manager window. Double-click the heading to do so. You should see several indented options appear below the "Universal Serial Bus controllers" heading. Skip this step if this heading is already expanded. The name of this option may vary depending on your computer, but it will usually have "USB 3.0" written next to it. It's a tab at the top of the Device Manager window. A drop-down menu will appear. This option is in the drop-down menu. Doing so disables the built-in USB adapter. While disabling the built-in USB adapter will remove most of the other USB items from below the "Universal Serial Bus controllers" heading, there may be one or more remaining USB options. Disable these by clicking an option, clicking Action, clicking Disable Device, and repeating until each USB option is disabled. Your computer's USB ports should no longer work. If you need to re-enable the USB ports, go back to Device Manager, select a USB option, click Action, click Enable Device, and repeat until your USB options have been restored.

Summary:
Open Start . Open Device Manager. Scroll down to the "Universal Serial Bus controllers" heading. Expand the "Universal Serial Bus controllers" heading. Select the "Root Hub" or otherwise built-in USB option. Click Action. Click Disable Device. Disable any remaining USB options under the heading. Close Device Manager.