Try resetting everything: Turn everything off, then, in this order, turn on your modem, then router (after connection is made to ISP) , then Xbox 360. Have the wireless adapter in the console at
Xbox Support loading Xbox Support You need to enable JavaScript to run this app. My XB360 won't connect to my home network. "Multiple Mar 19, 2008 Xbox 360 not connecting to wifi | AT&T Community Forums
I'm having trouble connecting a wireless adaptor to the
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Jul 10, 2017
If Xbox Live seems to be up and running the first thing to do is check if your Wi-Fi network is the cause of your issues. 1. Check other devices in your household to see if they are connected to How to Fix Xbox 360 Wireless Gaming Receiver Not Fix #1: Troubleshoot the Xbox 360 Wireless Receiver for Windows 10. The problem is actually recognized when the green light is not turned on in the receiver indicating that the connection is not yet set up with the PC. Here in this section we would rationalize the concern only for PC installed with Windows 10 OS, and not of the previous versions.