My Xbox gets to the home page and once you click on anything it immediatly powers down.

Hi!

Maybe this helps

https://support.xbox.com/help/hardware-network/console/console-turns-off-unexpectedly

Any noise? It could be the dust on the fan. Put some compressed air into it.

Other thing is factory reset:https:
link. Try option with buttons.

Just in case, try with different power cable. Any error?

Please Press the Xbox button on your controller to open the guide page. Scroll down to System then choose Settings and click on Personalization, scroll down and choose My home Xbox. Now click on Make this
my home Xbox to make this console as your Home.

Try this step please

Go to the home page of the British home page for Xbox, next hover over Xbox Live Gold and click on Join Xbox Live Gold and then you scroll down and click on Join Today, select what subscription you want and click next. You shouldn't be redirected to US if
you do this.

Can you try performing a power cycle on your Xbox?

To do this:

For Series X|S

- Open Settings on Xbox.

- Select the General tab.

- Click on Power Options.

- Under the “Options” section, click the “Shutdown now” option.

- Click the “Shut down” button.

For Xbox One

Go to the Home screen.

Press the Menu button on the controller.

Select Settings.

Go to Sleep Mode & Start-Up

Select Turn Off/ Full Shut Down.

Once done, power up the console and see if the issue continues.