There's a thick pale band running through the middle of my screen and when I look very closely I can see small red and green dots scattered around it. It is much paler than the rest of my screen. Even when I went into bios I can see this band.
I'm not currently able to hook it up to an external screen to check anything else
Thank you so much for responding. My laptop is very new, only a few months old. It is still covered by the warranty. I tried to use that to find a service center near me (south side of UK) and I found nothing. I'm not sure what I'm supposed to do now?
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