Pc nothing works when gpu plugged in

[AshleyA19]

Hi everyone, I bought a GTX 1070 MSI Aero OC 8GB It’s paired with Ryzen 5 1600, 16gb ddr4 rgb vengeance pro 2666mhz. I had a VS 550watt powersupply I don’t know if that’s the issue because I had problems with a gtx Titan on the 550watt. any help appreciated 

[BaruBakedQue21]

First of all check if you have connected your PSU to the GPU,Second try booting the PC without the Graphics card just leave behind the CPU RAM behind see if it boots or post

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[AshleyA19]

I’ve done that it’s boots fine without a gpu. I don’t get why it just doesn’t wanna work