[SOLVED] new GPU killed mobo (?)

Aug 17, 2021
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I purchased a brand new 6600 XT plugged it in and launched the PC with no problems. Then I turned on WoW and maxed out the graphics and practically 10 seconds afterwards, the PC froze so I had to hard reset. Now the PC is trying to boot into BIOS by resetting 3 times and then simply staying in a black screen state until I hard reset it. Fans spin and GPU RGB works. The only solution so far I found is to reset CMOS, use 1 ram stick and put it on XMP since manual overclock causes the same issue mentioned before. Other things I tried include:
  • reseatting cables and RAM
  • clearing CMOS
  • taking out battery
  • trying to boot without SSD and GPU
parts list (my gpu is the MSI gaming x model but I couldn't find it): https://pcpartpicker.com/list/rHfWF8
I did manually overclock my RAM for a long time but I kept it at about 1.4V so I think it's safe.

What would be the optimal course of action for me right now? I bought a ryzen 3600 and waiting for it to arrive but for now I can try another RAM/PSU right? Should I just RMA the mobo without testing different solutions since my mobo is pretty bad? One important thing to note is that my previous mobo died 6 months ago but it didn't power on at all so I'm kinda afraid that this PSU is killing all my motherboards.
 

Ralston18

Titan
Moderator
Does the following link present the applicable motherboard User Manual?

https://dlcdnets.asus.com/pub/ASUS/mb/SocketAM4/PRIME_A520M-K/E16800_PRIME_A520M-K_UM_WEB.pdf

Double check supported RAM and the applicable configuration settings.

= = = =

As for the error "Critical Kernel-Power event-id:41 task category:63 keywords: (70368744177664),(2) " my understanding is that that error is generated when Windows does not "know" what has happened. (Credit to @Colif in the first link below.)

https://forums.tomshardware.com/threads/pc-crashing-randomly-no-bsod-error-doesnt-restart-automatically.3696305/

https://www.hwinfo.com/forum/threads/power-reporting-deviation-crashing-my-pc.7207/

= = = =

Are the installed RAM modules from a matched kit for dual channel use?

= = = =

Actually I am still leaning towards a PSU issue. Some threshold value where 1 RAM module is workable but 2 RAM modules perhaps just too much and the system freezes as described.

Any way to swap in a known working PSU of higher wattage? Just as a matter of elimination......
 

Ralston18

Titan
Moderator
How old is that PSU? Heavy gaming use, video editing, even bit-mining?

My thought is that that 450 watt Corsair PSU is not up to the task or otherwise unable to meet the system's overall power demands.

Minimum GPU PSU recommendation is 500 watts.

Source:

https://www.amd.com/en/products/graphics/amd-radeon-rx-6600-xt

[Do verify that I correctly identified your GPU.]

Go to the following link from within this Forum:

Best Power Supplies of 2021 - Top PSUs for Gaming PCs | Tom's Hardware

Not with the immediate intent to purchase a new PSU. Just use 2 or 3 of the calculators to determine a consensus of what wattage PSU is needed.

Do your own manual total as well. If a device provides a wattage range then use the high end wattage value. Add 25% to the total just to allow room for growth and peaks.
 
Aug 17, 2021
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PSU was bought 3 years ago and I gamed pretty lightly on it. If it matters in any way 6 months ago I took my PC to a repair shop where he checked the voltages and they were good back then. Could a PSU kill my previous MOBO and now it's on its way to killing this one? I'm kinda afraid plugging in a ryzen 3600 to this board.
Also when I tried to power the system without the GPU it still didn't budge so I'm not sure that it's the culprit
 
Aug 17, 2021
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1
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How old is that PSU? Heavy gaming use, video editing, even bit-mining?

My thought is that that 450 watt Corsair PSU is not up to the task or otherwise unable to meet the system's overall power demands.

Minimum GPU PSU recommendation is 500 watts.

Source:

https://www.amd.com/en/products/graphics/amd-radeon-rx-6600-xt

[Do verify that I correctly identified your GPU.]

Go to the following link from within this Forum:

Best Power Supplies of 2021 - Top PSUs for Gaming PCs | Tom's Hardware

Not with the immediate intent to purchase a new PSU. Just use 2 or 3 of the calculators to determine a consensus of what wattage PSU is needed.

Do your own manual total as well. If a device provides a wattage range then use the high end wattage value. Add 25% to the total just to allow room for growth and peaks.
I just tested out all the calculators and all of them are at 300W.
 

Ralston18

Titan
Moderator
Look in Reliability History and Event Viewer to determine if Windows captured any relevant error codes, warnings, or informational events.

You can also observe system performance via Task Manager and Resource Monitor. Use both but only one at a time.

Determine what resources are being used, to what extent (%), and what is using any given resource.

Observe after immediate boot up while the system idles. Then while doing light work or browsing, and lastly while gaming.

And, if you have a multi-meter and know how to use it, you can do some testing on the PSU.

FYI:

https://www.lifewire.com/how-to-manually-test-a-power-supply-with-a-multimeter-2626158

Not a full test because the PSU is not under load. However, any voltages out of tolerance may indicate a PSU problem.

Key is what wattage is being demanded at some peak? If the PSU cannot fulfill that peak demand then problems occur.
 
One important thing to note is that my previous mobo died 6 months ago but it didn't power on at all so I'm kinda afraid that this PSU is killing all my motherboards.
How exactly are you running Ryzen 5 2400G on Asus PRIME A520M-K board?
They are not compatible.

MSI Radeon RX 6600 XT GAMING X 8G - requires 500W PSU minimum.
https://www.msi.com/Graphics-Card/Radeon-RX-6600-XT-GAMING-X-8G/Specification

And you should not be running DDR4 at voltages more than 1.35V. That is not safe for cpu memory controller.
 
Reactions: RodroX
Aug 17, 2021
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How exactly are you running Ryzen 5 2400G on Asus PRIME A520M-K board?
They are not compatible.

MSI Radeon RX 6600 XT GAMING X 8G - requires 500W PSU minimum.
https://www.msi.com/Graphics-Card/Radeon-RX-6600-XT-GAMING-X-8G/Specification

And you should not be running DDR4 at voltages more than 1.35V. That is not safe for cpu memory controller.
I can't run the system normally now even if I fully remove the GPU from the case. Also the last time I ran my voltage at higher than 1.35V was half a year ago.
 
Aug 17, 2021
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SkyNetRising is right, you shouldn't be able to run a Ryzen 5 2400 on the Asus PRIME A520M-K.

Perhaps you have this board Asus PRIME A320M-K instead?
No I have the one I linked for sure since it says so on the board itself. It ran perfectly fine for half a year even BIOS updates worked.
 
No I have the one I linked for sure since it says so on the board itself. It ran perfectly fine for half a year even BIOS updates worked.
Well I guess Asus and AMD are not really following what they said: https://www.asus.com/Motherboards-Components/Motherboards/PRIME/PRIME-A520M-K/HelpDesk_CPU/. AMD and https://www.amd.com/en/chipsets/a520

Or perhaps it just falls under the " Additional hardware combinations may be available through system suppliers. Check with your manufacturer for details. "


Well the PSU is not enough for sure, so I would really try to run the system without the GPU and see if I can get an image using the Ryzen 5 2400 and the display ports on the mobo. And yeah clear the CMOS and/or restore BIOS settings back to default/optimized.
 
Aug 17, 2021
10
1
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Well I guess Asus and AMD are not really following what they said: https://www.asus.com/Motherboards-Components/Motherboards/PRIME/PRIME-A520M-K/HelpDesk_CPU/. AMD and https://www.amd.com/en/chipsets/a520

Or perhaps it just falls under the " Additional hardware combinations may be available through system suppliers. Check with your manufacturer for details. "


Well the PSU is not enough for sure, so I would really try to run the system without the GPU and see if I can get an image using the Ryzen 5 2400 and the display ports on the mobo. And yeah clear the CMOS and/or restore BIOS settings back to default/optimized.
The system runs but as I said only with 1 stick of RAM and only with automatic XMP settings. If I try to manually adjust timers then it won't boot. It even runs all games with the GPU in it.
 
The system runs but as I said only with 1 stick of RAM and only with automatic XMP settings. If I try to manually adjust timers then it won't boot. It even runs all games with the GPU in it.
And you restored the BIOS to its default/optimized settings?

The thing is, you are runing a non supported CPU on that mobo, so I woudl really stay with XMP values.

And you tried both RAM sticks, and are able to run games no matter which one is inserted on the slot?
 
Reactions: AlphaVVortex
Aug 17, 2021
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And you restored the BIOS to its default/optimized settings?

The thing is, you are runing a non supported CPU on that mobo, so I woudl really stay with XMP values.

And you tried both RAM sticks, and are able to run games no matter which one is inserted on the slot?
Yea both modules work individually with no hiccups. I tried restoring BIOS to default but it still only runs if I use 1 stick.
 

Ralston18

Titan
Moderator
Does the following link present the applicable motherboard User Manual?

https://dlcdnets.asus.com/pub/ASUS/mb/SocketAM4/PRIME_A520M-K/E16800_PRIME_A520M-K_UM_WEB.pdf

Double check supported RAM and the applicable configuration settings.

= = = =

As for the error "Critical Kernel-Power event-id:41 task category:63 keywords: (70368744177664),(2) " my understanding is that that error is generated when Windows does not "know" what has happened. (Credit to @Colif in the first link below.)

https://forums.tomshardware.com/threads/pc-crashing-randomly-no-bsod-error-doesnt-restart-automatically.3696305/

https://www.hwinfo.com/forum/threads/power-reporting-deviation-crashing-my-pc.7207/

= = = =

Are the installed RAM modules from a matched kit for dual channel use?

= = = =

Actually I am still leaning towards a PSU issue. Some threshold value where 1 RAM module is workable but 2 RAM modules perhaps just too much and the system freezes as described.

Any way to swap in a known working PSU of higher wattage? Just as a matter of elimination......
 
Aug 17, 2021
10
1
15
0
Does the following link present the applicable motherboard User Manual?

https://dlcdnets.asus.com/pub/ASUS/mb/SocketAM4/PRIME_A520M-K/E16800_PRIME_A520M-K_UM_WEB.pdf

Double check supported RAM and the applicable configuration settings.

= = = =

As for the error "Critical Kernel-Power event-id:41 task category:63 keywords: (70368744177664),(2) " my understanding is that that error is generated when Windows does not "know" what has happened. (Credit to @Colif in the first link below.)

https://forums.tomshardware.com/threads/pc-crashing-randomly-no-bsod-error-doesnt-restart-automatically.3696305/

https://www.hwinfo.com/forum/threads/power-reporting-deviation-crashing-my-pc.7207/

= = = =

Are the installed RAM modules from a matched kit for dual channel use?

= = = =

Actually I am still leaning towards a PSU issue. Some threshold value where 1 RAM module is workable but 2 RAM modules perhaps just too much and the system freezes as described.

Any way to swap in a known working PSU of higher wattage? Just as a matter of elimination......
I found the RAM using this link at the end: PRIME A520M-K|Motherboards|ASUS Global and it says it supports 3200 RAM speed at 16-18-18-36 timings, 1.35 voltage and 1.2 "socket support".

As far as the modules I bought them as a kit so they are 100% matching.

I would want to try to test another PSU but I can't and unforunately the return policies where I live aren't the most forgiving. Would trying to plug in the 3600 be a bad idea that would result in me bricking it?

Also as I said I tried to run the sticks with the GPU completely out of the case and the results are the same so are you sure it could still be the PSU?

Thanks for the help so far!
 
Last edited:

Ralston18

Titan
Moderator
PSU's provide three different voltages (3, 5,12) to the host system. So if there is a problem with one particular voltage (voltage rail) some components may appear to "work" and others not work.

And even if the voltages were "good" 6 months ago the PSU could have been in decline and has now gotten to some threshold point where the PSU cannot provide the applicable voltage/wattage. May seem okay at some times but a peak demand triggers a problem.

Also, checking the PSU voltages is not a full test per se because the PSU is not under load.

Not sure how the repair shop actually checked the voltages.

FYI:

https://www.lifewire.com/how-to-manually-test-a-power-supply-with-a-multimeter-2626158

No vested interest in the problem being the PSU per se.

However, if there are no physical RAM problems, no configuration problems, etc. by default that leaves the PSU a likely suspect.

If you cannot get another PSU to test with go back to the shop. Have them re-test the PSU.

Hopefully the repair shop will also have a spare PSU (> 450 watts) to swap in and confirm or eliminate the PSU as the problem.
 

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