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B550 pro4 not posting

snakex64
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Go to solution Solved by snakex64,

Sadly ( or happily ), this was a stupid mistake...

I forgot the 12 pin ATX power to the mobo =__=

 

Hopefully someone else will fall on this instead of wasting 4h trying other CPUs / memory multiple times

Posted

Hi!

I have just received a new B550 pro4 and I can't get it to post, I have it with :
-Ryzen 5 5600X
-2x16 GB DDR4 3200 (https://www.newegg.ca/team-32gb-288-pin-ddr4-sdram/p/N82E16820331618?Item=N82E16820331618)
-My old GTX 1070ti

I have both CPU and DRAM led open, no sound coming from the speaker, no image showing up on the screen.

I tried with the RAM I use in my other desktop and it doesn't work either. I've also tried with only 1 in A2 slot without success.

The GPU led opens but the fan close after 1s . I can't even turn it off holding the power button, I have to switch the PSU off.

Anyone have an idea ?

Thanks,

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Posted

Do you own an older Ryzen CPU to put in and ensure you're running a recent BIOS?

Ryzen 7 7800x3D -  Asus RTX4090 TUF OC- Asrock X670E Taichi - 32GB DDR5-6000CL30 - SuperFlower 1000W - Fractal Torrent - Assassin IV - 42" LG C2 - Windows 11 Pro

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