Hi!
At this moment it’s hard to say if it is the screen or something motherboard related.
I always would test with a new screen first and see how that works out. I would start with the top screen as this one is showing lines.
Otherwise a motherboard replacement is required. This one is more expensive but easier to replace and test.
Before you are going to replace anything, please open it up and check the cables. Do they look fine? Please clean the motherboard with isopropyl alcohol and also the connectors, then try again.
Hopefully a new screen would do something…
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