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My mb won't post after changing psu

Mohammadjaber
By Mohammadjaber
in Troubleshooting
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Posted

Hi

I have changed my dead psu with a new one  i plugged the 24 the cpu power the sata to the ssd and hdd and al the reaming power blugs i powerd on everything worked fine but the system won't post

The monitor stys black the whole time 

Please help

1044844119_IMG__.jpg

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Posted

no post codes, no debug lights no nothing? you should get something as your system is indeed powering on

PC specs:

Ryzen 9 3900X overclocked to 4.3-4.4 GHz

Corsair H100i platinum

32 GB Trident Z RGB 3200 MHz 14-14-14-34

RTX 2060

MSI MPG X570 Gaming Edge wifi

NZXT H510

Samsung 860 EVO 500GB

2 TB WD hard drive

Corsair RM 750 Watt

ASUS ROG PG248Q 

Razer Ornata Chroma

Razer Firefly 

Razer Deathadder 2013

Logitech G935 Wireless

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Just now, Mohammadjaber said:

I have changed my dead psu with a new one 

Maybe that power supply took with it other components like the motherboard and the CPU.

A PC Enthusiast since 2011
AMD Ryzen 7 5700X@4.65GHz | GIGABYTE GTX 1660 GAMING OC @ Core 2085MHz Memory 5000MHz
Cinebench R23: 15669cb | Unigine Superposition 1080p Extreme: 3566
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7 minutes ago, eeeee1 said:

no post codes, no debug lights no nothing? you should get something as your system is indeed powering on

The debug light is off

When i power on it goes white then green then off

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7 minutes ago, Chris Fortune said:

What is the power cable that is in front of the system?

An extra pcie cable

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Just now, Mohammadjaber said:

The debug light is off

When i power on it goes white then green then off

from what i can gather, white is a GPU problem and green is a boot drive problem. try to clear cmos and replugging in the GPU and drives

PC specs:

Ryzen 9 3900X overclocked to 4.3-4.4 GHz

Corsair H100i platinum

32 GB Trident Z RGB 3200 MHz 14-14-14-34

RTX 2060

MSI MPG X570 Gaming Edge wifi

NZXT H510

Samsung 860 EVO 500GB

2 TB WD hard drive

Corsair RM 750 Watt

ASUS ROG PG248Q 

Razer Ornata Chroma

Razer Firefly 

Razer Deathadder 2013

Logitech G935 Wireless

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7 minutes ago, Vishera said:

Maybe that power supply took with it other components like the motherboard and the CPU.

I thought of that but I'd not know how to tell if my mb is dead

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1 minute ago, eeeee1 said:

from what i can gather, white is a GPU problem and green is a boot drive problem. try to clear cmos and replugging in the GPU and drives

Tried both the coms i toke the battery out leave it for 2 min and i put it back

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1 minute ago, Mohammadjaber said:

I thought of that but I'd not know how to tell if my mb is dead

I would be surprised with the amount of activity you are getting but not impossible, looks more like a GPU issue to me. Can you list system specs?

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Just now, eeeee1 said:

from what i can gather, white is a GPU problem and green is a boot drive problem. try to clear cmos and replugging in the GPU and drives

Usually when power supplies die they kill other components in the system.

Just now, Mohammadjaber said:

I thought of that but I'd not know how to tell if my mb is dead

It could be that the CPU is dead and the motherboard is OK,but if you try a healthy CPU in a damaged motherboard it can kill the CPU so it's a tricky situation.

A PC Enthusiast since 2011
AMD Ryzen 7 5700X@4.65GHz | GIGABYTE GTX 1660 GAMING OC @ Core 2085MHz Memory 5000MHz
Cinebench R23: 15669cb | Unigine Superposition 1080p Extreme: 3566
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Just now, Chris Fortune said:

I would be surprised with the amount of activity you are getting but not impossible, looks more like a GPU issue to me. Can you list system specs?

If it's an Intel platform it probably has an iGPU so it's easy to test that.

Usually when power supplies kill components the RAM and GPU survive.

A PC Enthusiast since 2011
AMD Ryzen 7 5700X@4.65GHz | GIGABYTE GTX 1660 GAMING OC @ Core 2085MHz Memory 5000MHz
Cinebench R23: 15669cb | Unigine Superposition 1080p Extreme: 3566
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1 minute ago, Vishera said:

If it's an Intel platform it probably has an iGPU so it's easy to test that.

Usually when power supplies kill components the RAM and GPU survive.

Not used intel since the original Pentiums, more familiar with the AMD idiosyncrasies. A hardware list might be helpful to be more specific with suggestions

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11 minutes ago, Chris Fortune said:

I would be surprised with the amount of activity you are getting but not impossible, looks more like a GPU issue to me. Can you list system specs?

Core i7-7700 

Gtx 1070ti

 

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Can you post a pic of the system that shows all the components?

 

Just had a nasty thought, is it possible the monitor died at the same time either as a knock on or coincidence?

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13 minutes ago, Chris Fortune said:

Can you post a pic of the system that shows all the components?

The system has an iGPU.

A PC Enthusiast since 2011
AMD Ryzen 7 5700X@4.65GHz | GIGABYTE GTX 1660 GAMING OC @ Core 2085MHz Memory 5000MHz
Cinebench R23: 15669cb | Unigine Superposition 1080p Extreme: 3566
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3 minutes ago, Vishera said:

The system has an iGPU.

But if it is disabled in BIOS it would be useless

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Just now, Chris Fortune said:

But if it is disabled in BIOS it would be useless

That's a big if,It's usually enabled when there is no GPU installed.

A PC Enthusiast since 2011
AMD Ryzen 7 5700X@4.65GHz | GIGABYTE GTX 1660 GAMING OC @ Core 2085MHz Memory 5000MHz
Cinebench R23: 15669cb | Unigine Superposition 1080p Extreme: 3566
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Just now, Vishera said:

That's a big if,It's usually enabled when there is no GPU installed.

True, not sure how you would test it either.

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