I got an Xbox one x from a friend but it isn't starting up. I need - Microsoft Community
XBOX Error Codes- - XBMC4Xbox
Xbox 360 technical problems - Wikipedia
Xbox with error 21 : r/originalxbox
Hello, needing help. I'm also getting error 16 and 21 depending on what game I'm using. My system is not molded in any way. It worked for about 20 minutes then the