Fix Wi-Fi connection issues in Windows - Microsoft Support
In the Settings app on your Windows device, select Network & internet > Wi-Fi, then select Manage known networks. Select your Wi-Fi network and click Forget. Reconnect to the network by selecting it and entering the password.
Connect Surface to a wireless network - Microsoft Support
Forget a wireless network. You can choose to forget a wireless network so it no longer appears in your list of networks. Here’s how: Select Start , then select Settings. In Settings, select Network & internet > Wi-Fi > Manage known networks. Open Wi-Fi Settings
Connect to a Wi-Fi network in Windows - Microsoft Support
If you forgot your Wi-Fi network password, you could find it if you have another Windows device already connected to your Wi-Fi network. After you find your password, you can use it on another device to connect to your Wi-Fi network.
Network settings on the Xbox console | Xbox Support
Press the Xbox button to open the guide. Select Profile & system > Settings > General > Network settings. Did this resolve the issue? Learn about the network settings on your Xbox console and common network troubleshooting tests.
Troubleshoot your Xbox network connection | Xbox Support
Network connection issues generally fall into one of two categories: Can’t connect : The console is unable to detect or connect to your home network, or can’t establish an Internet connection, or can’t connect to the Xbox service.
Be safer over wireless connections - Microsoft Support
If you do an internet search for your device and how to “forget” or manage wireless networks you should find instructions. Go through that list and remove any wireless network that you don’t control.
Troubleshoot a wireless network connection | Xbox Support
Find solutions for errors when connecting your Xbox console using a wireless network connection.
Connect to a Wi-Fi network in Windows - Microsoft Support
If you forgot your Wi-Fi network password, you could find it if you have another Windows device already connected to your Wi-Fi network. After you find your password, you can use it on another device to connect to your Wi-Fi network.
Connect Surface to a wireless network - Microsoft Support
Forget a wireless network. You can choose to forget a wireless network so it no longer appears in your list of networks. Here’s how: Select Start , then select Settings. In Settings, select Network & internet > Wi-Fi > Manage known networks. Open Wi-Fi Settings
Troubleshooting Wi-Fi connection on your Surface
If you don’t see your Wi-Fi network listed in the available networks on your Surface, you should first make sure your network is available and working properly. Try to connect to your Wi-Fi network on another device, such as your mobile phone or tablet.