iMac 27 late 2015 wont turn on after nvme and cpu upgrade

Hello everybody, im litte bit shocked, ive upgraded my imac 27 late 2017 eith a i7 6700k and a samsung 970 plus nvme. The mac wont turn on, not even the fan. The only thing that i cam see i a single green led that turn on when i connect the power cable. Can somebody help me?

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Ive seen that ive bent a lot of pins on the main board so thats it, im an idiot, ive broke a mac

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