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Screen gone blank, only a few vertical lines visible

I got this laptop repaired a few months ago. It was working fine, the repair changed pair of fans, thermal system and lcd. After a few months suddenly the screen got blank and only a few vertical lines are visible while turning it on, which eventually goes away. Can someone help fix it

Update (08/06/23)

Here is the attached image

Block Image

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Here is the attached image [image|3040735]

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@abzo connect an external monitor to your laptop. If that displays fine, you know that your LCD is in need of replacement. If it shows the same, the issue could be related to your video circuitry (GPU etc.) and will require some inspection/rework of your motherboard.

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Abzo crwdns2934231:0crwdne2934231:0
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