When playing on big games e.g. fortnite, mw3 why does it keep disconnecting me from my wifi?

Hello Gary L , My name is Khaji I am the independent advisor and I will be happy to help you today.

I'm sorry to hear that you are having problems with your Xbox console constantly disconnecting from Wi-Fi. Here are some steps you could follow to resolve this problem:

Restart your router and your Xbox.
Move the Xbox closer to the router.
Reduce the number of devices connected to the Wi-Fi network.
Check and install the latest firmware updates for both your router and Xbox One.
Reset the network settings on the Xbox One to default.
Check your network settings: On your Xbox, go to Settings > General > Network Settings, then select “Test Network Connection.” This will diagnose any issues with your network and connectivity settings.
Power cycle your modem and router: Unplug your modem and router from the power source, wait a few seconds, and then plug them back in.

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I've never had any subscription since I bought the console and was able to play free games online (e.g. Fortnite, Asphalt, etc) in the past several months, it just stopped working a few days back. According to Epicgames FAQ, I shouldn't need Xbox Live Gold to play Fortnite online.

If the problem is that I don't have a subscription, why does it work when I "Reset and Keep my Games and Apps"?

With mine, id be playing Minecraft on a world with friends. And every so often, my xbox live would disconnect and therfore kick all from the game, disconnect me from the wifi. It may then reconnect itself.

Now, my xbox profile keeps disconnecting from xbox live with any game or just on dashboard.

When i play mw2/3 my console usually kicks me from xbox live saying ''server disconnected'' and some times freezes completely. (While playing the game) Although lately the problem started occurring with all games. And just recently i got disconnected at
the dashboard...

Games i own: Mw3, mw2, portal 2, halo reach, minecraft. Not the largest collection of games, but it keeps me occupied. (or at least it did. )

It dont let me play fortnite

Why does it show all of my friends offline, when there playing.