Signing up for Xbox all access if you already own an Xbox one X

Thanks for the info, unfortunately I didn't see anything in this article pertaining to if you already owned an Xbox console.

Edit, nevermind. I see that it's possible to sign up for this service if you already have a console, but there's no plan specifically for that situation.

Yes. Get an Xbox One X with Xbox All Access this holiday and upgrade to the next Xbox console (currently called Project Scarlett) in as few as 12 months. This special holiday upgrade offer is only
available for purchases of Xbox One X with Xbox All Access at participating retailers through December 31, 2019. Maybe this can help https://support.xbox.com/en-US/billing/xbox-subscriptions/xbox-all-access-faq

Let's say the Xbox One in the living room is Xbox A, and the one in your brother's room is Xbox B. If you set your account's Home Xbox as Xbox A, all users in the home will be able to access content on that console. On Xbox B, your brother would only have
access to content he owns, or to content you own as long as you're signed into Xbox B. If you sign into any other Xbox One console (including Xbox A), that disappears.

Since you say you already tried the troubleshooting steps from the support website with no success, I'm afraid your console really is broken.

You can try to sign up your console for a repair at
https://devicesupport.microsoft.com, however, since you say it's an original Xbox One, Microsoft doesn't service these devices anymore, and even if, for the cost of a replacement console you could almost get a brand new console.

But also take into account, that during holiday 2020 they are launching the new Xbox Series X console. So if you're living in the US or UK, you could benefit from their
Xbox All Access offer:

You pay a monthly fee (depending on if you choose a Xbox One X, Xbox One S or Xbox One S All Digital Edition), and included in this monthly fee is a new Xbox One console of your choice (X, S or All Digital), 24 months Game Pass Ultimate and you can upgrade
to the Xbox Series X when it launches this holiday "for free".

Since you say you already tried the troubleshooting steps from the support website with no success, I'm afraid your console really is broken.

You can try to sign up your console for a repair at
https://devicesupport.microsoft.com, however, since you say it's an original Xbox One, Microsoft doesn't service these devices anymore, and even if, for the cost of a replacement console you could almost get a brand new console.

But also take into account, that during holiday 2020 they are launching the new Xbox Series X console. So if you're living in the US or UK, you could benefit from their
Xbox All Access offer:

You pay a monthly fee (depending on if you choose a Xbox One X, Xbox One S or Xbox One S All Digital Edition), and included in this monthly fee is a new Xbox One console of your choice (X, S or All Digital), 24 months Game Pass Ultimate and you can upgrade
to the Xbox Series X when it launches this holiday "for free".