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PC Randomly Restarting Lights Staying on - 5900x

Zeeflyboy said:
Certainly possible, I read of many issues with transient spikes on 3090’s causing system resets until people went to beefier supplies (and even causing shutdowns on some seasonic 1000w supplies due to tripping OCP), and the 3080Ti is pretty much a 3090.

Amazingly your PSU has 4 separate 12v rails, so I’d say it’s actually pretty likely the problem, especially if you happen to be feeding the GPU from a single rail. You many want to check and re-jig to make sure you have one 12v from rail 3 and one from rail 4 as they have higher amperage than rails 1 and 2 (26A each vs 21A each).

… or just buy a decent PSU with single rail.

edit - so PCIE1 is 12V3/12V3, PCIE2 is 12V3/12V4 and PCIE3 is 12V4/12V4… about all you can do is try using PCIE 1 and 3 to evenly split the load across the connectors. Unfortunately with such a design you have 42A of 12v rail being wasted purely on CPU and accessories. You only actually have peak 26A on each of the 2x12V rails suppling the GPU, which while it should be enough in theory may be susceptible to spikes/drops with the power hungry GPU.

edit 2 - actually what I said above is recommended in the manual… so I’d double check you are using 1 and 3, if not then change over and see if it helps.

https://imgur.com/a/3S01J7h
Click to expand...

Yeah I was feeding the gpu from a single rail, I didn't change it after upgrading card, I've put the new connectors in slot 1 and 3 hopefully this fixes the problem. Thanks, I'll update this if I get another crash, the only thing I can't get my head around is the cpu related error I get in event viewer.

-another crash , same error
 
Last edited:
LouWii said:
Reported by component: Processor Core
Error Source: Machine Check Exception
Error Type: Cache Hierarchy Error
Processor APIC ID: 8

A fatal hardware error has occurred.
Click to expand...

I ran into the same problem with my 5900X, worked fine for over half a year then out of the blue starts crashing repeatedly, the crashes occur seemingly at random, booting Windows, idling in Windows, playing a game for 30 mins...

Replaced it with a 5600X and the system hasn't crashed a single time since, so I'm all but certain it's the 5900X.

I've returned it under RMA, they say they've tested it for 4 days, found no fault and are returning it which leaves me uncertain how to proceed. Any thoughts on how I can convince them?
 
DeathStorm said:
I ran into the same problem with my 5900X, worked fine for over half a year then out of the blue starts crashing repeatedly, the crashes occur seemingly at random, booting Windows, idling in Windows, playing a game for 30 mins...

Replaced it with a 5600X and the system hasn't crashed a single time since, so I'm all but certain it's the 5900X.

I've returned it under RMA, they say they've tested it for 4 days, found no fault and are returning it which leaves me uncertain how to proceed. Any thoughts on how I can convince them?
Click to expand...
Did you RMA with retailer or AMD?
 
DeathStorm said:
I ran into the same problem with my 5900X, worked fine for over half a year then out of the blue starts crashing repeatedly, the crashes occur seemingly at random, booting Windows, idling in Windows, playing a game for 30 mins...

Replaced it with a 5600X and the system hasn't crashed a single time since, so I'm all but certain it's the 5900X.

I've returned it under RMA, they say they've tested it for 4 days, found no fault and are returning it which leaves me uncertain how to proceed. Any thoughts on how I can convince them?
Click to expand...

I’d probably re-install it and test yourself. If you find the issue contact customer support.
 
LouWii said:
had the cpu and mobo since the start of the year... I flashed my bios when I got the cpu and it's been on the same version this entire time
Click to expand...
Definitely update BIOS at least to latest non-beta.
There has no doubt been lots of tweaks and improvements since last year.
 
Zeeflyboy said:
If your PSU is getting overloaded it could be causing voltage variations on other rails, CPUs don’t like unstable voltage.
Click to expand...

If the PSU is being overloaded OVP/OCP should kick in and kill all power on the DC side. That is assuming everything complies with ATX specs, which the RTX 3080ti does not.
 
Tetras said:
Did you RMA with retailer or AMD?
Click to expand...

Retailer.

jigger said:
I’d probably re-install it and test yourself. If you find the issue contact customer support.
Click to expand...

I was hoping to avoid that as logically I will just reproduce the same behaviour as before and without something new I would assume support would just decline as they'll no doubt redo the same tests and logically have the same result...
 
DeathStorm said:
Retailer.



I was hoping to avoid that as logically I will just reproduce the same behaviour as before and without something new I would assume support would just decline as they'll no doubt redo the same tests and logically have the same result...
Click to expand...

Im not sure what to suggest other than starting dialog with the shop you bought the CPU from and would like to return. Maybe put the chip up for sale.
 
My board has two 8 pin cpu power connectors right now I’m only using 1, to my knowledge the second one is used for overclocking, if the issue is power related would it be worth me plugging in cpu power 2 also?
 
LouWii said:
Just to add the critical error thats shutting the pc down is Kernal power error ID 41 TASK CATAGORY 63 , the whea cpu error come after
Click to expand...

Well maybe not, that error could be the result of the power supply protecting the system. The system will still have stored capacity and the power down isn’t instant.
 
DeathStorm said:
Retailer.

I was hoping to avoid that as logically I will just reproduce the same behaviour as before and without something new I would assume support would just decline as they'll no doubt redo the same tests and logically have the same result...
Click to expand...

You may be better off rmaing with AMD then, I've never heard of them rejecting an RMA through not testing the cpu thoroughly enough, I'm not sure if they'd even return the same cpu even if no fault is found.
 
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