Question My new ryzen build doesn't post

Jun 13, 2020
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Good Morning
I made a new pc build with these components.

1)MSI TOMAHAWK MAX AM4
2)AMD RYZEN 5 2600 AM4 BOX
3) CORSAIR VENGEANCE LPX DDR4-3000 DIMM.
4)GTX 970 , this is not new , had it in my old pc.
5)PSU THERMALTAKE 630w

So i plugged everything and i turn it on. Fans working , i get CPU debug led for 2-3 secs then it goes off. Behind my mainboard some leds from White turn red after 3-4 secs.
I dont see anything in screen.I have tried everything with bios. Nothing happend. Tried to update bios but the red light blinked 2 times then stays solid. I have tried also with 2 USB sticks. I have tried with 2 GPU. 2 days i was searching what is wrong. Nothing found. I've called the support from the shop and they said send it to us and we will fix it. The problem is that this will take 2 weeks. And i need for my university this PC.

If anyone can help me , i will appreciate it.