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Need help with my husbands pc (pawb.social)

submitted 9 months ago* (last edited 9 months ago) by [email protected] to c/buildapc

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My husband recently upgraded to an AM4 platform. His issue is that there is no display. The gpu fans look like they are trying to start, but cannot. Additionally, there is no POST sound and the power button, while able to turn on the pc, will not turn it off. The lights on the motherboard work, as do the cpu fans and case fans.

I told him i think its a short, but he says the case has preinstalled standoffs. My other suspicion is a bad PCI-E port. It is a used motherboard.

Specs: Processor: Ryzen 1700 Motherboard: B350M Gaming Pro MSI RAM: DDR4 XPG Adata GPU: GTX 1060 6gb Also tried: Radeon R7 250

Thanks in advanced!

Edit: Oh wow so many posts! I'll try various solutions and keep you all updated on what work.

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[–] [email protected] 14 points 9 months ago* (last edited 9 months ago) (1 children)

EZ Debug LED: Debug LED indicators
These LEDs indicate the status of the motherboard.

CPU - indicates CPU is not detected or fail.

DRAM - indicates DRAM is not detected or fail.

VGA - indicates GPU is not detected or fail.

BOOT - indicates booting device is not detected or fail.

They're on the right side of the mobo next to the RAM slot, above the ATX power supply connector.
If the diagnostic LEDs aren't OK... check that the power supply cable (Big 24-pin, middle right edge) is fully seated.
Check that CPU power is connected (8-pin, top right)

Check for extra standoffs.
Try different output connectors on the GPU.
My Nvidia card displays the POST/BIOS on the rightmost used output connector, but I can't remember what my 10xx did. I think it was DVI, HDMI, then DP.
Anyway, might wanna use a single monitor until you figure this out and make sure it uses that input, had a weird monitor the outre day that would default to some random input even if it was unplugged.

[–] [email protected] 1 points 9 months ago (1 children)

So it turns out the CPU light is on, guessing its a bad cpu. Not sure how its bad, it was fine in my computer. Gonna test a new cpu on it.

[–] [email protected] 2 points 9 months ago (1 children)

Might be the cpu power connector too.
I assume you checked the cpu isn't installed the wrong way.
Might the mobo needing a firmware upgrade to support that CPU.

[–] [email protected] 1 points 9 months ago

Nah the mobo supports first and second gen ryzen. We tried another motherboard and it had the same issue, so im think the cpu got borked in the transfer from my pc to his somehow. Mind you, i made that pc like right when Ryzen came out, so it is an old motherboard, and i wasnt the kindest to it when i was younger (as in like 5 years ago.) I dont think its his psu, its 750 watt bronze and is fairly new.