A little help please not sure what could be busted

woppy101 said:
I’m now wondering if it could be the CPUs memory controller, I’m trying a bios update, but while I’m watching the board the fault code is flashing between D1 and 00
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This is sounding kind of like the CPU I had which I mentioned earlier. Once it started crashing a lot during boot I disabled XMP and it made the problem worse. The system would only run with XMP enabled (opposite of your scenario). But it was the CPU's memory controller in the end which I confirmed 100% when I replaced the CPU.

Have you got another discrete GPU to test with? I don't think you could conclusively say motherboard, cpu, ram or GPU is at fault yet.
 
I concur with others here. It could be a bad GPU that randomly drops PCIe speeds from x16 to x8 or even x1. I know it is a pain with the setup you have but it is your only path to resolution. Stick the GPU in a free PCIe slot and test or borrow a GPU. Also you could leave the PC in the BIOS overnight and if it has shutdown then you can rule out OS straight away because I noticed some other members suggested it might be OS.
 
IPBA said:
I concur with others here. It could be a bad GPU that randomly drops PCIe speeds from x16 to x8 or even x1. I know it is a pain with the setup you have but it is your only path to resolution. Stick the GPU in a free PCIe slot and test or borrow a GPU. Also you could leave the PC in the BIOS overnight and if it has shutdown then you can rule out OS straight away because I noticed some other members suggested it might be OS.
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As a quick alternative to rule out Windows, create a Ventoy USB and put HBCD (Hiren's Boot CD) ISO on there. If that runs fine then I would say it's likely your Windows installation.
 
System won’t boot at all now with the graphics card (1 long 2 short beeps) then boots right away using IGPU, so I’m currently running the cpu and IGPU at 100% while I’m in work for a few hours to rule out the cpu, then I will order a new motherboard today if the system is still running when I get back in.
 
Now that it wont boot off the GPU anymore, have you tried re-seating it again? I did once have a GPU from a friend which when left to sag under its own weight wouldn't boot, but when it was supported (even just by my finger) it worked fine. It'd also work unsupported for a day, half a day, 3 days, etc if it was removed from the system and then re-installed (the issue was the weight of the card when left unsupported had damaged a solder joint on a component).

I know you're watercooled so there's less weight and the pipework may be supporting the card but might be worth investigating before you shell out for a new motherboard? Might be the reason why reseating in the first post helped?
 
I had a similar issue, random shut downs - I finally sorted it my replacing the CMOS battery - no idea why it sorted it but I tried everything else and this finally resolved the problem for me......youch wood its been 3 months since last shutoff!
 
Well it’s totally dead now, went out and got a cheap gpu to test and it wouldn’t boot with that and now it also won’t boot with the IGPU, overclockers are taking it back for RMA
 
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