Xbox 360 Error - How to fix Test Failed? Can't connect to the Internet (Check Description)

Xbox 360 Error - How to fix Test Failed? Can't connect to the Internet (Check Description) Note: The next day the error fixed itself without any action. But Xbox Live was still not connected to Ethernet, running as offline. after this error i delete my profile and download my profile again, now every thing is fine, Hope it help for you too, #Xbox360