Question Lenovo Legion 7i - nasty screeching sound coming from beneath the vapor chambers

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Sep 2, 2020
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Hi guys, I'm a new owner of Lenovo Legion 7i (10750h + 2070 super) and from day 1 I've been getting some inconsistent weird screeching sounds that become very audible when the fans calm down.
It sounds a bit like a mix of an old HDD head mixed with electrical static (audio attached below). I opened the back cover and managed to pinpoint the source. it seems to be coming from beneath the middle of the vapor chamber. So CPU judging by disassembly pictures.
I'm pretty sure it's getting worse as well.

I conacted Lenovo and they told me they've heard of the issue before and to send it to them for service but I can't really do that right now. They said something about "grounding problems" as well.

Anyone had any similar issues, before I return it? You guys think it's fixable?

(sorry for the traffic sounds in the recording, I should have closed the window. Still fairly clear and quite representative I think)

https://drive.google.com/file/d/1Jq6PTYd91cn2xu9smDsJ_q_GTSy5CQxX/view?usp=sharing
 
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