PC Keeps randomly shutting down

[PhantomChevron]

Hi all,

 

I'm posting this on behalf of a friend. His PC recently has been giving a weird issue if shutting down while on light work load. I've already done basic troubleshooting but it doesn't seem to work long term.

 

Things I've tried so far:

- Reseat all components

- Complete cleaning (Incase was overheating)

- Stress testing for heat, seems not to be the issue

- repaste of thermal paste on CPU

- Reconnect all power cables

- Check if AIO pump is working

- Remove all usbs, (which seemed to work)

 

So after all this my suspect is the PSU isn't enough for all his USB plus the system, but I wanted a second opinion before we buy a new PSU

 

His specs:

CPU: Ryzen 7 3700

Mobo: ASRock B450M steel legend

Cooler: 240mm ID Cooling AIO

Ram: 16gb 

GPU: Zotac 1660 Super

PSU: Cm 550W Gold

Storage: 256GB SSD + 1TB HDD

Fans: 3 X case fans 

 

Sorry if the formatting is bit rubbish, I'm on my phone tryna help him sort this 

[An0maly_76]

I'd say you might be on to something. Especially if the AIO pump is dying, it could be drawing more power than it should.

 

However, excessive USB devices have been known to cause PCIe conflicts.

Edited September 19, 2022 by An0maly_76
Revised, more info

[191x7]

1 hour ago, PhantomChevron said:

CPU: Ryzen 7 3700

Mobo: ASRock B450M steel legend

 

The latest BIOS on the motherboard?

[PhantomChevron]

2 hours ago, An0maly_76 said:

I'd say you might be on to something. Especially if the AIO pump is dying, it could be drawing more power than it should.

 

However, excessive USB devices have been known to cause PCIe conflicts.

Yea, because first time it happened we tested the speakers, whenever we plugged it in it would crash, then the second time around whenever he charged his watch or plug in a digital photo frame to charge using the USB it would crash as well 

 

1 hour ago, 191x7 said:

 

The latest BIOS on the motherboard?

Yes last I checked it was, not sure if I should attempt a rollback? Cause I was worried at first it was a issue with outdated bios and the CPU but upon checking it was latest iirc

[191x7]

1 hour ago, PhantomChevron said:

Yea, because first time it happened we tested the speakers, whenever we plugged it in it would crash, then the second time around whenever he charged his watch or plug in a digital photo frame to charge using the USB it would crash as well 

 

Yes last I checked it was, not sure if I should attempt a rollback? Cause I was worried at first it was a issue with outdated bios and the CPU but upon checking it was latest iirc

AGESA 1207 solves USB issues and the fTPM bug.

 

Can yout ry booting the PC built outside the chasis (case)?

[An0maly_76]

2 hours ago, PhantomChevron said:

Yea, because first time it happened we tested the speakers, whenever we plugged it in it would crash, then the second time around whenever he charged his watch or plug in a digital photo frame to charge using the USB it would crash as well

Theory here... USB output overload could cause motherboard circuitry overload, which could potentially shut down the motherboard, at least in part.

[PhantomChevron]

On 9/19/2022 at 11:08 PM, 191x7 said:

AGESA 1207 solves USB issues and the fTPM bug.

 

Can yout ry booting the PC built outside the chasis (case)?

Yea I did that last time, took everything out, it worked fine until too many things were plugged back in

On 9/19/2022 at 11:56 PM, An0maly_76 said:

Theory here... USB output overload could cause motherboard circuitry overload, which could potentially shut down the motherboard, at least in part.

Yea, that's what I am thinking, apparently he just texted me sayings it's gotten worse and reached a point where it won't boot passed the AsRock logo.

[191x7]

22 minutes ago, PhantomChevron said:

Yea, that's what I am thinking, apparently he just texted me sayings it's gotten worse and reached a point where it won't boot passed the AsRock logo.

Dead board. Replace with something not-Asrock.

[An0maly_76]

9 hours ago, PhantomChevron said:

Yea I did that last time, took everything out, it worked fine until too many things were plugged back in

Yea, that's what I am thinking, apparently he just texted me sayings it's gotten worse and reached a point where it won't boot passed the AsRock logo.

Starting to sound like either a bad board or possibly bad RAM then. I had a set of DIMMs that the board did not like that occasionally would not POST, even though they tested fine.

[PhantomChevron]

On 9/22/2022 at 3:38 AM, An0maly_76 said:

Starting to sound like either a bad board or possibly bad RAM then. I had a set of DIMMs that the board did not like that occasionally would not POST, even though they tested fine.

 

On 9/21/2022 at 7:00 PM, 191x7 said:

Dead board. Replace with something not-Asrock.

Sorry for the lack of updates, I was also suspecting the same, hence we are replacing the board entirely as well, with an Asus TUF board instead, I'll update again once I have gotten to it, as I will be overseas so cant help him till I'm back

[An0maly_76]

32 minutes ago, PhantomChevron said:

 

Sorry for the lack of updates, I was also suspecting the same, hence we are replacing the board entirely as well, with an Asus TUF board instead, I'll update again once I have gotten to it, as I will be overseas so cant help him till I'm back

If going Asus, they have several offerings. A B450 might be okay if you plan to keep the 3600 for a long time, but a B550 will open up more options, and if you plan to upgrade CPU later, I'd recommend a B550 anyway.

 

The Prime M-Ks are cheap boards and really aren't equipped to deal with the heat of more powerful processors, so these are okay if you don't plan a processor upgrade, but if a Zen3 is in your future, I'd recommend the Tuf B550-PLUS. The Tuf B550-PRO adds a USB 3.2 header. I use the B550-PLUS with my 5900X. Be aware there is a B550M-PLUS as opposed to the B550-PLUS (no M), the one I use.

 

If you decide to swap RAM (some boards are fussy about it), also recommend Patriot Viper 432G320C6K -- They are 2x16 DDR4-3200 and come in Steel, Blackout, RGB, Elite, and other versions that use different prefixes such as PVB, PVS, etc. These are QVL'd for these boards and I can attest to their stability. Don't get suckered into 3600+ RAM. DDR4-3600 is okay, I suppose, but anything over 3200 is generally overpriced and unnecessary.

Edited September 25, 2022 by An0maly_76
Revised, more info