This video tutorial will teach you how to troubleshoot a HomeGroup network in Windows 7. In order to do this follow these steps: Go to the Start Menu and then go into Control Panel. Now go to Network and Internet and then in Network and Sharing Center. Now click the Troubleshoot Problems link located on the bottom of the window. Here you can select which part of networking you want to troubleshoot, in this case select HomeGroup. A process will start and you will have to answer the questions that the computer will give you. Then click Finish and you are done.