Question PC shuts down completely, can't figure out why ?

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Kazzy120

Jul 16, 2022
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I have done a lot of troubleshooting for this issue as it seems to be an issue people have had on the forums. It just drops power and then automatically powers back on.

I have been having the issue quite awhile and it usually happens while I am playing a game, however sometimes it happens without playing a game, but very rare. When playing games it doesn't seem to matter what kind of game it is. It can be really intensive graphically or something as low poly as oldschool runescape. What I am saying is that it happens about the same amount no matter what kind of game I play.

I have been pulling my hair out over this and after doing everything that I can even think to do I am humbly asking for any kind of help. I will list what I have done at the end.



I don't see an option to post HWMonitor logs, So I will list out what I have.

Mobo: ASUS Prime B360M-A
CPU: i7-8700
RAM: 32gb 4x8gb Corsair CMW16GX4M2C3000C15
PSU: Corsair RMX Series RM1000x Gold
GPU: Nvidia GeForce GTX 1070 Ti (The MSI Duke one specifically)
Boot Drive : Samsung SDD 970 EVO Plus 2TB

I have had this machine for over 5 years. I didn't have a lot of money when building it and I don't have a lot of money now, so I am really concerned with this issue.

What I have done:
  • Checked Temps with multiple digital tools from HWMonitor to NZXT CAM and the temps for gpu and cpu fall into standard and don't get to max.
  • Bought a brand new PSU going from 650W to now 1000W as I thought it may have been failing because temps were not the issue.
  • Cleaned AIO cooler radiator. Made the system run a few degrees cooler, but did not solve the issue.
  • Updated all Drivers.
  • Updated the BIOS
  • Took out and reset both RAM and GPU.
  • Removed CMOS battery while system was unplugged. (saw it on these forums that it helped some people but not me)
  • Did a memtest on the RAM overnight and the RAM passed the test.
  • Did a full system restore for the OS.
  • Tried plugging into another surge protector in another wall socket.
  • Checked the motherboard for any damage or burst capacitors.

I am unsure what else I can do. I ordered some thermal paste so I can reseat the cpu and change the thermal paste, though I am not sure that will do anything. I am all ears to any kind of advice.
 
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Update!

I did a refresh on the computer where instead of doing a full factory reset like I had done I opt'd to keep my files.

Three days without a shutdown/reset.

Which is weird since I did a full factory reset in June and it didn't help. Will update if there is a critical error!
 
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Vic 40 said:
That is good to hear, hope it stays that way.
Click to expand...

Yeah me too. Im just super confused that would have solved the problem when I had essentially done that already. I am still saving money for a mobo and cpu upgrade hopefully in November, because the hope was that I could at least hold out until then. Unfortunately I won't be doing anything extravagant and staying in DDR4 territory, but I have been looking at the i7-12700k which should be a huge upgrade from the i7-8700.
 
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I am sorry for reviving this, but I have been using this to document changes incase someone else has the same issue I have. The factory reset didn't work and I just avoided the games that would randomly reboot me.

I recently did a clean install of the gpu drivers (which also had an update) I have played some of the games that would cause the restarts and thus far have not had a reboot.

Hopefully this solves the issue.
 
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Vic 40 said:
Me too. If not can we look again.
Click to expand...
Did not work. I have done memtests on all sticks of ram but not one by one. What I tried is slotting in two at a time. One pair will allow the computer to boot. The other pair will not. However even on the pair that allows the computer to boot I still have the rebooting issue. Again keeping eyes on the temperatures like a hawk all seems fine on that end I just can't narrow down what is causing the reboots. I can run my gpu in a benchmark that keeps it near 100% load for a very long time and nothing happens. However if I play video games bam! Reboot time.
 
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Vic 40 said:
Did you ever check all cable connections of the psu? And i mean both sides.
Click to expand...
Oh yeah. When I upgraded to the 1000W because I thought the 650w was faulty I made sure everything was secure, because I was having the issue with the 650w. What I will do today however is redo some cable management and recheck. I will also try running power from a different outlet and different surge protector.

I am not above doing basic IT checks (try unplugging and plugging it back in) as I am desperate. I will report back with any changes or findings.
 
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Vic 40 said:
I'll gladly await the outcome.
Click to expand...
So I redid some cable management tried a new wall socket with a new surge protector. No dice. I have a gpu stress test going that has been on for about 13 minutes with no issues. I used the intel processor diagnostic tool and test came back green and since I have tested my RAM more times than I would like between memtest and the windows memory diagnostic tool I can only think that the problem has to be the mobo. What are your thoughts? I have the ability to get the same mobo at a price I can afford and this one lasted me since 2017 so I really don't have an issue buying another if it is the problem.
 
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Kazzy120 said:
  • Checked the motherboard for any damage or burst capacitors.
Click to expand...
Did you also check the socket for how the pins look?

Mothrboard might be the problem, can't say for sure. Me myself would look for something abit better than what you have now, but if money is an obstacle or the worry that you might need to validate windows again can you go for the same one as well. If you tie your windows key to a Microsoft account should the validation be no problem.
 
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Vic 40 said:
Did you also check the socket for how the pins look?

Mothrboard might be the problem, can't say for sure. Me myself would look for something abit better than what you have now, but if money is an obstacle or the worry that you might need to validate windows again can you go for the same one as well. If you tie your windows key to a Microsoft account should the validation be no problem.
Click to expand...
I do tie my windows to a microsoft account. I have never heard of validation. I think I upgraded to 10 from 8.1 for free. Please elaborate I will try it.

I did have a look at where the cpu and gpu were seated. Nothing out of the ordinary. I also took a look on the back side to see if any solder was escaping. The only reason I checked that is because I had a generation 1 xbox 360 when I was younger and that was actually a problem with the unit because the unit would get too hot. Funny enough story I cut a hole through the plastic and metal shell put a new heatsink on it and then mounted an exhaust fan on top of the plastic shell.
 
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