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kobeml
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Posts: 11
Registered: ‎04-14-2017
Location: PL
Views: 228
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What is the real cause of the horizontal lines issue with Lenovo Y50?

What is the real cause of the issue with the horizontal lines flickering on the screen of Lenovo Y50 laptop when operating on ac adapter? Is it motherboard, a screen ribbon or something else?

There were a couple of threads about it as it seems to be pretty common issue with Y50. Unfortunately, those threads either evolved into "Me too" complaint chain with no real solution suggestion or "I sent mine under warranty" and no follow-up case. If we could get some actual answers in this thread, it would be very helpful for Lenovo Y50 owners.

 

I have recently replaced a motherboard on my Y50. I used to have the horizonal lines issue on my old motherboard. Unfortunately, my Y50 with new motherboard also has this issue, less frequent though. I am not sure if the replacement motherboard is faulty or whether the root cause of the issue lies outside the motherboard.

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