This video teaches you how to create a system repair disc in Windows 7. Go to Start-All Programs-Maintenance-Create a System Repair Disc. This will help you boot Windows to repair or recover your system after a serious error. Once you click that, Windows 7 will prompt a new window telling you to put a blank disc in your disc drive. Make sure that you do have a blank DVD to insert, for the Windows 7 to create that System Repair Disc. Wait for the process to finish and you have yourself a system repair disc for Windows 7, which you can use when there's something wrong with your system.