Question PC with new graphics card won’t turn on

Feb 24, 2020
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Hi

I decided to upgrade all of my pc and it’s been running perfectly fine up until now. I installed a new motherboard, CPU, RAM, CPU cooler and PSU with the old SSD, GPU and case and that worked out perfectly well. However today I received the new GPU and I just can’t seem to get the pc to boot up. Basically what happens is that whenever I plug in the PSU and turn it on, the motherboard flashes for a second and then turns off again. I tried checking if the GPU wasn’t plugged in all the way and the same with the PCIe cables (they were both all the way in). It’s 2x8pin PCIe on the GPU so after using both from the same PSU cable I tried using 2 different cables and that didn’t work either. I’m a little worried the power supply is too weak, however numerous websites as well as these forums say it’s enough. I hope someone has a trick up their sleeves.

My full setup:
https://pcpartpicker.com/list/gycQqp