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wherfus

Motherboard not getting power from psu.

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Posted · Original PosterOP

So this is my first time building a pc and I'm at a loss as to what to do to get this thing running. My motherboard isn't getting anything from the 24 pin connector. I've narrowed it down to that conclusion because I've tested my power supply with a paperclip and it's functional, and even took a multimeter to it to double check. It seems to me like the circuit just isn't being completed on the motherboard's end. I'm getting really desperate for a fix here. I have an asus prime x570-p and an evga bq 500w power supply if that helps. I'm really desperate and I'm hoping my motherboard isn't straight up dead.

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You also need to attach the 8/4 pin power cable for the CPU, did you do that?


Remember to quote or @mention others, so they are notified of your reply

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Posted · Original PosterOP
6 minutes ago, Eigenvektor said:

You also need to attach the 8/4 pin power cable for the CPU, did you do that?

Indeed I did.

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Sounds like a DOA mobo, at least as long as you connected the power switch to it correctly and the switch isn't faulty. Can try bridging the 2 pins on the header with a piece of metal to confirm.


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2 minutes ago, wherfus said:

Indeed I did.

Could you supply us with a full spec sheet of the PC?


Also upload a picture here so we can see how everything is connected.

 

Common mistakes include not wiring up the power button to the motherboard correctly, or picking a CPU/motherboard combo that's incompatible.


PC Specs - AMD Ryzen 5 3600X MSI B450M Mortar Max 16GB Crucial Ballistix DDR4-3600 @ CL15 - RX5700XT 660p 1TBGB & 256GB 600p Fractal Define Mini C CM V550 - Pop!_OS 20.04

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10 hours ago, wherfus said:

I have an asus prime x570-p

what cpu re you pairing it with as well? 

also specs in general? 

you could also try booting with one stick at at time and try clearing he cmos. 


Fun Fact: The Meshify c is the best case to ever exist.

 

 

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3100.

B550m TuF plus.

Hyper x rgb 8 gig stick. (MJR or CJR  i still don't know lol).

1650 super.

CX450.

MX500.

NX500.

 

 

 

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Posted · Original PosterOP
14 minutes ago, NelizMastr said:

Could you supply us with a full spec sheet of the PC?


Also upload a picture here so we can see how everything is connected.

 

Common mistakes include not wiring up the power button to the motherboard correctly, or picking a CPU/motherboard combo that's incompatible.

Ryzen 5 3600

 

Asus prime x570-p 

 

G-Skill Ripjaws V 3600 16gb

 

Western Digital Blue 500GB m.2 2280

 

XFX Radeon RX 5700xt 8gb triple dissipation

 

Thermaltake V200

 

EVGA 500w BQ 80+ bronze

15967123512394309947602743664658.jpg

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One of the 2x4-pin power connectors seems to be half-way in.

Might also be the angle which the photo was taken that makes it seem that way.


... but I'm no expert

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Posted · Original PosterOP
6 minutes ago, Tan3l6 said:

One of the 2x4-pin power connectors seems to be half-way in.

Double checked. Not the case. May have just been due to the angle of the original pic. They are shaped slightly different from one another though.

15967127199893169553380362526950.jpg

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Get the manual here:

 

https://dlcdnets.asus.com/pub/ASUS/mb/SocketAM4/PRIME_X570-P/E15650_PRIME_X570-P_UM_WEB_V2.pdf

 

Go to page 1-15. Make sure your power button and LEDs are connected properly. Your system will not turn on when the PWRSW (powerswitch) is not connected properly or missing entirely. The cables you need for this section are usually bundled together in the case.


PC Specs - AMD Ryzen 5 3600X MSI B450M Mortar Max 16GB Crucial Ballistix DDR4-3600 @ CL15 - RX5700XT 660p 1TBGB & 256GB 600p Fractal Define Mini C CM V550 - Pop!_OS 20.04

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Posted · Original PosterOP
23 minutes ago, NelizMastr said:

Get the manual here:

 

https://dlcdnets.asus.com/pub/ASUS/mb/SocketAM4/PRIME_X570-P/E15650_PRIME_X570-P_UM_WEB_V2.pdf

 

Go to page 1-15. Make sure your power button and LEDs are connected properly. Your system will not turn on when the PWRSW (powerswitch) is not connected properly or missing entirely. The cables you need for this section are usually bundled together in the case.

These cables are all connected just as they are in the instructions. My problem persists.

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11 minutes ago, wherfus said:

These cables are all connected just as they are in the instructions. My problem persists.

If you remove the cable from the PWRSW alone and tap it with the metal part of a screwdriver, does the system turn on then?

 

If not, then try removing the CPU power connector in the top left and then try to power it on. You can also try to use just the left half of that connector. It's still somewhat crooked by the looks of it and could be part of the cause. Your CPU doesn't require both 4-pin parts to be inserted.


PC Specs - AMD Ryzen 5 3600X MSI B450M Mortar Max 16GB Crucial Ballistix DDR4-3600 @ CL15 - RX5700XT 660p 1TBGB & 256GB 600p Fractal Define Mini C CM V550 - Pop!_OS 20.04

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Posted · Original PosterOP
1 hour ago, NelizMastr said:

If you remove the cable from the PWRSW alone and tap it with the metal part of a screwdriver, does the system turn on then?

 

If not, then try removing the CPU power connector in the top left and then try to power it on. You can also try to use just the left half of that connector. It's still somewhat crooked by the looks of it and could be part of the cause. Your CPU doesn't require both 4-pin parts to be inserted.

Tried the screwdriver method. Didn't work. Tried both CPU power connector solutions. Neither worked.

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37 minutes ago, wherfus said:

Tried the screwdriver method. Didn't work. Tried both CPU power connector solutions. Neither worked.

Dead board more than likely in that case. RMA.


PC Specs - AMD Ryzen 5 3600X MSI B450M Mortar Max 16GB Crucial Ballistix DDR4-3600 @ CL15 - RX5700XT 660p 1TBGB & 256GB 600p Fractal Define Mini C CM V550 - Pop!_OS 20.04

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