[SOLVED] New built pc, doesnt boot no power on the motherboard

Sep 23, 2019
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Good day everyone! I have just built a new pc but neither it does boot or mobo lights on.
Gpus light is on but pc still doesnt boot...

Btw i have built my new pc to my old case, i removed old components, put new ones and plugged cables into right places. After that nothing still happens

Old components:
Fx8350
Gigabyte 970a ud3p
Rx470
Psu 750+80

New ones:
i7 7800
Gigabyte z370 hd3
Gtx 1660ti
Psu 750+80

I'm in a desperate situation and need your help... thank you
 
Last edited:

AdmiralDonut

Honorable
Feb 21, 2014
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When i unplugged fan started spinning
OK, then it's definitely a short on the motherboard somewhere. You say you built your new system into your old case. Have you tried removing everything from the case, and running it on, say, a wooden work surface? There might be something contacting the back of the motherboard up near the 8-pin socket that's causing the short. If it still doesn't work outside of the case, then the motherboard is faulty and should be returned.
 

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