Update drivers through Device Manager in Windows - Microsoft Support
Update drivers through Device Manager in Windows. Tip: The best way to get driver updates in Windows is automatically using Windows Update. For more information, see Automatically get recommended drivers and updates for your hardware.
Xbox Support
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Manage devices used with your Microsoft account
Adding or registering a device to your Microsoft account helps you see its warranty status, get support, or request service. You can also find or lock it if it's lost. Select Register device to continue. Enter your device's serial number to register it to your account.
Applies To: Microsoft account dashboard
Double NAT detected in your network settings | Xbox Support
To remove one of these, you can use one of the following methods. First, try putting your gateway into bridge mode. Each manufacturer handles bridge mode differently, so you’ll need to check with your manufacturer or service provider to find out how to do this.
Troubleshoot the Xbox 360 Wireless Networking Adaptor
Troubleshoot problems that occur when using an Xbox 360 Wireless Networking Adaptor with an Xbox 360 console.
“UPnP Not Successful” appears in your network settings
Sign in to your router's setup webpage, and make sure the router's UPnP setting is turned on. You can usually find first-time help with this in the router manual or on the manufacturer's support site. Turn the UPnP setting off and save your changes. Restart your console, your modem, and your router.
Troubleshoot network connection errors | Xbox Support
Passive interference occurs when a wireless signal passes through objects. This causes the wireless signal to be weakened and refracted. Materials that cause passive interference include concrete, glass, lead and copper piping, insulation, mirrors, gun safes, filing cabinets, tile, and plaster.
How to find your wireless network password | Xbox Support
Learn how to find your wireless network password so you can connect to the Xbox network using your wireless network.
Network settings on the Xbox console | Xbox Support
Press the Xbox button to open the guide. Select Profile & system > Settings > General > Network settings. If your Xbox console isn't currently connected to the internet, or if you want to change wireless access points, select Set up wireless network.
Connect your Xbox with a Windows PC instead of a router
If you want to connect your Xbox console and you don’t have a router, you can connect your console to your Windows PC or laptop and share its internet connection. There are two ways you can connect without using a router: