Red dotted lines

Question

Hello Everyone,

Recently a red line started appearing at the top of my laptop screen and I don't know why it happened, I didn't downgrade anything nor upgrade.
I checked if it's a problem with my Linux OS but Nope because this red line appears right after booting the laptop. I tried type-check the refresh rate but it's already 60 and can't increase further.

Also, Sometimes this red line fades away on its own and most of the line it just appears at the top.
Is there any solution to fix this other than changing the screen and please tell me why it happened as some kind of screen damage or something?

Thank you.

ejn63 · Answer

To confirm the display issue, run the screen self-test (hold the D key and power up the system).  If the fault shows there, the display panel will need to be replaced.

Ronin Park · Answer

screen self-test at the time of boot ??Okay if that's the case then let me try and will tell you quickly if anything strange occurs

Ronin Park · Answer

Hey, I just went through some screen test and it shows different color but still, that red line exists at the top. Also, I ran the whole system test and later it displays 'one or more errrors were detected'. So, what do you think of it? A screen damage problem or something other and what measures should i have to take in order to solve this problem ?

ejn63 · Answer

The only solution to a line fault is a replacement display panel. If you need assistance with the other errors, please post the exact numbers:  2000-0133, -0142, etc.

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Red dotted lines

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