series x controller keeps disconnecting which then causes the wifi to disconnect or the...

Check the forum or just google "XBOX Series X disconnects from wifi". Tons of threads here and on reddit since the launch.

An example.

Hello There ! I am very sorry to know you are having such conveniences. We highly recommend going over the steps mentioned on the links bellow :

Troubleshoot your Xbox Wireless Controller | Xbox Support

If that didn't resolve your issue you will have to repair it. Access The link bellow to request a repair for your controller :

Getting your Xbox device serviced | Xbox Support

If you are unable to create the order on that link please contact our live support:

Contact us | Xbox Support

Connecting the controller with a USB cable doesn't work,

Controller still disconnects even with a USB cable connected,

I have the same issue with Series X using mouse and keyboard for Call of Duty Vanguard.

I played during the beta and there was no problems with the controller disconnecting but as soon as the game released, the controller disconnects,

I've tried a Xbox One controller Series X controller, with batteries and a USB cable, and the controllers still disconnects.

Thank you for the response but my controller is completely up to date. It actually just happened for the first time again with the xbox one x controller I was using. I think it's built in to the xbox series x/one x/one to stop recording if the controller is disconnected which causes this issue and makes the footage unusable. Not sure if you have a fix for that in particular but if not it seems it will continue to be an issue.

I'm playing on a PC, this isn't a Forza issue, it's a Windows/Firmware/Compatibility issue, the controller disconnects even if i'm not in any games.
A lot of people have this issues on PC, for some it works fine in some games, and in others it keeps getting disconnected, and for most it just disconnects regardless of game or not.

It's been an issue since Xbox One controllers, and day Series X