PC SHUTS OFF COMPLETELY

[smubio]

Ever since I installed my RX 9070 XT, my PC randomly hard shuts down (no BSOD, just instant power off), usually when launching games like Fortnite or sometimes even at the BitLocker screen before Windows fully loads.

 

At first I thought it was my 750W PSU, so I upgraded to an 850W, but the issue stayed. Then I thought the GPU was faulty, but it runs perfectly in my brother’s PC on GTA and Fortnite.

 

I also had shutdowns even with no GPU installed, and my CPU temps were high before, so I bought an AIO which fixed the temps, but the shutdowns still happen as soon as I put the 9070 XT back in.

 

When I put my old RTX 2070 back in, everything works perfectly and I can stress test with no issues.

 

So right now it looks like my system is unstable specifically with the 9070 XT, even though the GPU itself works fine elsewhere. Current suspicion is BIOS / PCIe Gen issue or single-stick DDR5 instability on my B650 + 7800X3D setup.

[FAZIN]

Did you run DDU before installing the 9070?

[esCaPade1]

Yeah, upgrading the BIOS if there's an update available is the first thing to try.

What wattage is your bro's PSU? 

Make sure all your cables are connected properly.

It certainly sounds like it is still the PSU at fault - as you just bought one, I'd return it for a refund and get an even better one - if it doesn't help, you can always refund it too.

[Needfuldoer]

What specific model power supplies have you used? Even if they technically meet the minimum wattage, they may not have enough capacity on their +12v rails to meet the additional load. The 9070 XT can draw almost twice as much power as your 2070.

 

What model power supply does your brother's PC have? Can you try that one on your motherboard and CPU?

[Tan3l6]

PSU exact model would help too.

[smubio]

34 minutes ago, Tan3l6 said:

PSU exact model would help too.

Sorry. Psus were both A750GL Msi and RM850X corsair (new one to test psu)

[smubio]

35 minutes ago, Needfuldoer said:

What specific model power supplies have you used? Even if they technically meet the minimum wattage, they may not have enough capacity on their +12v rails to meet the additional load. The 9070 XT can draw almost twice as much power as your 2070.

 

What model power supply does your brother's PC have? Can you try that one on your motherboard and CPU?

Sorry. Psus were both A750GL Msi and RM850X corsair (new one to test psu)
my brother has the a750gl msi too

[smubio]

38 minutes ago, FAZIN said:

Did you run DDU before installing the 9070?

Yep. Also when putting the 2070 super back in. Not on safe mode though i think

[smubio]

38 minutes ago, esCaPade1 said:

Yeah, upgrading the BIOS if there's an update available is the first thing to try.

What wattage is your bro's PSU? 

Make sure all your cables are connected properly.

It certainly sounds like it is still the PSU at fault - as you just bought one, I'd return it for a refund and get an even better one - if it doesn't help, you can always refund it too.

Bios should be fully up to date ill double check. Wattsge is the same as my bros. 
Psus i tried on my pc were both A750GL Msi and RM850X corsair (new one to test psu) and my brothers is the msi one. Im putting the 2070 super back in and so far nothing has happened.

[esCaPade1]

I suppose it's possible that the mobo is the problem, but I'd consider two PSUs not up to the task first. It is possible, however.

It's also possible - and I mean no disrespect here, but I don't know what you know -  that it's a user error. As in, you've made a mistake somewhere? Perhaps you've connected - or haven't connected - something incorrectly? How confident are you that you've installed the card correctly (including connecting to the correct ports on the PSU if it's modular)?

[Bjoolz]

Have you checked in Event Viewer if it has any WHEA events? In Event Viewer, go to Windows Logs → System. On the right hand side select Filter Current Log. In the Event Sources dropdown menu, select WHEA-logger. Highlight them if it has any, right click and save. Share them in the same manner the bot tells you to share dump files. WHEA is the Windows Hardware Error Architecture. The CPU monitors itself and PCIe devices and if one of these has a very serious issue the CPU can order a shutdown, but it would then send a report on the next startup which gets logged as WHEA. 

 

If no WHEA events are found power would normally be the main suspect, but because you just got a new one that is quite unlikely (Unless the power from the wall is unstable). 

[smubio]

7 hours ago, esCaPade1 said:

I suppose it's possible that the mobo is the problem, but I'd consider two PSUs not up to the task first. It is possible, however.

It's also possible - and I mean no disrespect here, but I don't know what you know -  that it's a user error. As in, you've made a mistake somewhere? Perhaps you've connected - or haven't connected - something incorrectly? How confident are you that you've installed the card correctly (including connecting to the correct ports on the PSU if it's modular)?

You could be completely right. Its fine no worries ill take any advice. It could have been me. Mobo and psu are returned for the be quiet 13M (much better apparently) and the b850 tomohawk max wifi. I might have put cables in wrong and not even realised it. Its only my second build. I will completely do research just in case for my next build. With the new parts. I have an experienced friend helping me this time. So we will check if ive been a bit stupid but ive redone everything 5 times over with 2 psus so hopefully ive not been dumb haha.

[esCaPade1]

Sounds like a plan! Crossed fingers!