Laptop surface problem

Hi,

Restart your device and check if the screen line appears after restarting and booting. If so, it's a screen problem. If it's under warranty, contact support for service and repair.

https://support.microsoft.com/en-us/surface/troubleshooting-options-for-a-screen-that-has-lines-through-it-b1f5e16d-ff82-4b3e-9ceb-37ad77303cc0

https://support.microsoft.com/en-us/surface/how-to-get-service-or-repair-for-surface-b06da716-0763-65b3-e2f2-116d9e30f877

Out of warranty

https://support.microsoft.com/en-us/surface/get-service-for-your-out-of-warranty-or-damaged-surface-08312d65-7d7d-5438-2f85-92c8b0a605ac

You can also go directly to a support center in person and take your device for repair verification.

Give feedback if the information was useful or not.

Thanks