Pc turns on for half a second when replugging psu.

Jan 24, 2019
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My pc wont turn on at all, but turns on for less than a second when i replug. More interesting, i unscrewed my fan and for some reason it wont come off. My pc contains the following.
550W 80+ certified bronze psu
Cpu: amd ryzen 5 2600
Gpu: MSI armor 1070
Motherboard: b450 aorus pro wifi rev 1.0
Ram: 8 gb of ddr4
Please help this is a new build. The system still doesnt work when removing the gou, i have replugged all of the psu cables, replugged the front IO cables, and removed and put the CMOS battery back in. I couldnt find much that would help me as this is my first build and didnt understand anything or if it would help me. I have also tried shorting the pins on the motherboard to power it on which didnt work. I have warranties on almost every part (dont think there is one on gpu, or ram but the ram is cheap and im pretty sure its not the gpu). I appreciate your help!