New pc just wont turn on

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Joined
11 Oct 2014
Posts
3
Hi

Just brought a new pc and finished assembling however I don't have no power.

I made the mistake of not testing it before I put everything in the case.

The psu is fine, it past the paper clip test, all case fans, all in one pump and fans and case lights comes on no problem.

When I plug the 24 pin into the mother board nothing, no lights nothing at all.

I've unplugged all but the cpu and 1 stick of ram and yet no power. I'm at a dead end and not highly experienced when it come to diagnostics.

Any help, do I have a doa mother board ?

Specs are below:

Gigabyte B450-I AORUS PRO WIFI (Socket AM4) Mini-ITX Motherboard

AMD Ryzen 7 3700X Eight Core 4.4GHz (Socket AM4) Processor

Phanteks Shift-X Mini-ITX Gunmetal Case + Seasonic Focus Plus 550W 80+ Platinum

Corsair Vengeance LPX Black 16GB (2x8GB) 3600 MHz AMD Ryzen Tuned DDR4 Memory Dual Kit

Samsung 1TB 860 QVO SSD 2.5" SATA 6Gbps 64 Layer 3D V-NAND Solid State Drive (MZ-76Q1T0BW)

Microsoft Windows 10 Pro 64-Bit DVD - OEM (MS-FQC-08929)

Sapphire Radeon RX 5700 XT Nitro+ Special Edition 8GB GDDR6 PCI-Express Graphics Card

Corsair Hydro Series H100i Platinum RGB Performance Liquid Cooler - 240mm (CW-9060039-WW)
 
Just to let you know that I found the problem ..... the on button on my case wasnt working. Yeah so I just brought a cheap one of amazon and hall a Lou a it turned on
 
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