Question B2 error code all of a sudden on a 7 year old machine. GPU works on another system, what could be the issue?

[dhruv990]

Hi,
I have a system that I have been using daily 24x7, for the past 7 years.
Till yesterday it was working fine, at night I had put a 3d render on and left. In the morning there was no display. I thought it might be a GPU issue, so I took the GPU out and put on another system (basically just used it's motherboard, Ram, and cpu). But that system worked fine. I even stress tested the GPU for a good 1 hour using furmark and no crashes or anything.

What could be causing the B2 error code?

My Specs are as follows:
Asrock X370 Gaming k4
Ryzen 7 1700x Processor
Msi GTX 1080 Gaming X
32 GB Corsair vengeance ddr4 ram
1 TB nvme ssd
650 watt antec psu.

On the other system I put in my GPU, PSU and ssd and tested. It all worked fine.
Even in my main PCs second PCIe slot it doesn't work and gives the same error

What could be the cause of the error given that I've used this pc for a good 7 years and never faced this problem before. Also given that the GPU works on another system?

Is it possible it could be a failed cpu or motherboard?

 

[dhruv990]

Ok so I just ran my system without the GPU and it ran fine. I managed to get into it using remote desktop. So the GPU is working on another system, but not on this one. This is strange because it's the same gpu I have been using since I built the computer in 2017.