How can I fix this black lines oil certain games using my Xbox series X

I advise you to activate the warranty then, friend.

Enter the link, register the console.

After, click on it, go to 'online service'. In the category put hardware and drivers and fill in the form with your data.

https://support.xbox.com/en-us/help/hardware-ne...

Are you playing disk games or have they been downloaded on from the store

I assumed so, but I’ve switched to other monitors and still face the same issue.

You need to adjust the screen safe area. Your TV is set not to show overscan, Halo is set to compensate for it

Hello!

My name is Dérek, I'm an independent platform consultant and I'm grateful for the opportunity to help you.

Gabrielcardona, Have you tested the console on another TV to see if it's a TV error?

Do this test too

Press the Xbox button to open the dashboard.

Select System > Settings > System > Console Information

Select Reset Console.

Restore and keep my games and apps.

Rest assured, you won't miss games or saves

When asking to pull settings from an old xbox, put no

You will have to log in your accounts again, that's all

Press the Xbox  button to open the dashboard.

Select System > Settings > General > TV & Video Options.

Select Video Fidelity and Overscan.

Under Display, select HDMI.

I remain at your disposal if you have any further questions.