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Why wont my PC boot?

Hello. I recently built my pc and it ran perfectly from day one for about 3 weeks. Then one day it just shut off randomly. Then it kept shutting off randomly. I shut it down for 3 days, came back to power it on and it wont turn on. The only way i get it to turn on is messing with the f panel connectors, but still it shuts off within 5 minutes. I've tried reconnecting the f panel connectors twice with no luck. I'm at a loss. I'll list my parts list below.

CPU: AMD - Ryzen 5 1600X 3.6GHz 6-Core Processor ($226.09 @ OutletPC)
CPU Cooler: MSI - CORE FROZR L 71.3 CFM CPU Cooler ($49.94 @ OutletPC)
Motherboard: Gigabyte - GA-AB350-GAMING 3 ATX AM4 Motherboard ($95.88 @ OutletPC)
Memory: Team - Vulcan 16GB (2 x 8GB) DDR4-3000 Memory ($141.99 @ Newegg)
Storage: Seagate - Barracuda 2TB 3.5" 7200RPM Internal Hard Drive ($66.89 @ OutletPC)
Video Card: Gigabyte - GeForce GTX 1060 6GB 6GB G1 Gaming Video Card ($304.99 @ Newegg)
Case: Phanteks - ECLIPSE P400 TEMPERED GLASS ATX Mid Tower Case ($79.99 @ Amazon)
Power Supply: EVGA - SuperNOVA G2 550W 80+ Gold Certified Fully-Modular ATX Power Supply ($75.98 @ Newegg)

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All Answers

Collapse -
Make it smaller

In reply to: Why wont my PC boot?

Psu + mobo + cpu/hsf.

Nothing else connected or plugged in.

Use a small screw driver and short the power pins on the mobo for a second.

Does it power up and stay powered up?

Collapse -
I'm an idiot lol

In reply to: Make it smaller

So I'm the process of getting everything out of the case for the diagnostic I notice my 24 pin is loose lol. I think you know how the rest of the story goes. Thanks for the reply though.

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