Question Computer wont power after shut down unless graphics card removed

[Junk Box]

I am having trouble understanding what is happening with my desktop PC. I shut it down before bed last night as I always do, but woke up this morning to find it unable to power up. No lights or anything. Wouldn't power by shorting the power rods either. I've been trouble shooting it all day and was only able to power the machine after removing the GPU.

I have a second tower that I decided to test with, and found a very similar result. Without the GPU it powers right up, but when the GPU is inserted it flicks on for a second before the whole machine goes silent. After which, powering the machine is impossible. Only once the GPU is removed and the plug unplugged for around 10 seconds can the machine be powered again.

Obviously I think the GPU is the problem. But I cant really tell why and I am hoping to understand better before I replace the GPU. Does anyone have any ideas as to what is likely the problem?

Specs
Intel I9 12900K
MSI MPG z690 Carbon WIFI (MS-7D30)
32 gig Corsair DDR5 5600
MSI 1070 (unknown exact model. Dual fan. Its old)
Seasonic PRIME 1000 Titanium

 

[Lutfij]

Remove the discrete GPU , then try and power up the system with the monitor hooked up to the iGPU. You might want to see if the discrete GPU exhibits the same issue on a donor platform. If it doesn't you need to see if a donor PSU(borrowed, not bought) causes the same issue.

 

[DaleH]

I am having trouble understanding what is happening with my desktop PC. I shut it down before bed last night as I always do, but woke up this morning to find it unable to power up. No lights or anything. Wouldn't power by shorting the power rods either. I've been trouble shooting it all day and was only able to power the machine after removing the GPU.

I have a second tower that I decided to test with, and found a very similar result. Without the GPU it powers right up, but when the GPU is inserted it flicks on for a second before the whole machine goes silent. After which, powering the machine is impossible. Only once the GPU is removed and the plug unplugged for around 10 seconds can the machine be powered again.

Obviously I think the GPU is the problem. But I cant really tell why and I am hoping to understand better before I replace the GPU. Does anyone have any ideas as to what is likely the problem?

Specs
Intel I9 12900K
MSI MPG z690 Carbon WIFI (MS-7D30)
32 gig Corsair DDR5 5600
MSI 1070 (unknown exact model. Dual fan. Its old)
Seasonic PRIME 1000 Titanium

I am having trouble understanding what is happening with my desktop PC. I shut it down before bed last night as I always do, but woke up this morning to find it unable to power up. No lights or anything. Wouldn't power by shorting the power rods either. I've been trouble shooting it all day and was only able to power the machine after removing the GPU.

I have a second tower that I decided to test with, and found a very similar result. Without the GPU it powers right up, but when the GPU is inserted it flicks on for a second before the whole machine goes silent. After which, powering the machine is impossible. Only once the GPU is removed and the plug unplugged for around 10 seconds can the machine be powered again.

Obviously I think the GPU is the problem. But I cant really tell why and I am hoping to understand better before I replace the GPU. Does anyone have any ideas as to what is likely the problem?

Specs
Intel I9 12900K
MSI MPG z690 Carbon WIFI (MS-7D30)
32 gig Corsair DDR5 5600
MSI 1070 (unknown exact model. Dual fan. Its old)
Seasonic PRIME 1000 Titanium

Sure sounds like the GPU. Hard to say why - failure analysis would likely cost more than your whole computer.

 

[Junk Box]

Remove the discrete GPU , then try and power up the system with the monitor hooked up to the iGPU. You might want to see if the discrete GPU exhibits the same issue on a donor platform. If it doesn't you need to see if a donor PSU(borrowed, not bought) causes the same issue.

The machine powers up with the iGPU. Unfortunately I dont have a spare GPU to test with, but as mentioned the second computer also wouldn't boot with the GPU. So i assume the GPU has a short somewhere or something, but I am worried that a different component of my main computer is the culprit