Motherboard damaged during cooler installation?

Hi there!

I need help! I am currently installing my first setup:
Ryzen Threadripper 1920x
Gigabyte X399 Designare EX
Be Quiet Silent Loop 120 mm (with TR mount + screws)

The liquid cooler was very tight to install and first it wasn't in contact with the thermal paste. The BIOS was running ca 70-80C temperatures (160-176F).
I then tried to tighten the screws so the cooler made contact with the paste. One of the screws broke in half during this operation but I ignored it, as the cooler seemed to be tight and mounted.

BIOS was ok, was showing correct clock speeds at 3 ghz something, but on Windows 10 computer seemed very slow. It's throttling at 0.6 ghz (I assume it's Threadripper's throttling clock speed).

I disassembled the motherboard and took a closer look. I realised the screws went partly through the mobo, and some ugly looking marks, as you can see in the pictures:
Imgur motherboard pictures

Now my question is, did I damage the motherboard during the installation? Is it possible that it is thermal throttling because of the damage? Or is my problem something else?

If so, how the h*ll is it possible that by tightening the screws you can damage it and there are some traces below the mount? Please help... Cry

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First picture shows damage.

It's to the right of DDR4_5_IC.

Since these boards have layers you can't be sure if a repair to what you can see will save this board so any shop will call it a damaged board and will only replace such.

As to your questions if this damage causes this or that, NO tech or maker seems to go there. Once it's damaged, it's the end.

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Not possible

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