PC Suddenly Shuts Off And Restarts

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MrMercyGG

Commendable
Nov 4, 2016
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Hello! I'm new to these forums but I was hoping someone could help me figure out my problem.

Specs:
MB: GIGABYTE 78LMT-USB3
CPU: AMD FX-6300 (Stock Cooler)
GPU: GIGABYTE Radeon R7 370 (2GB)
RAM: 4GB Crucial Ballistix Sport (x2)
PSU: 500W EVGA 80 PLUS
Storage: 1TB Western Digital HDD
Case: Fractal Design Core 1000
OS: Windows 10 Home
Owned for 6 months

So starting around October 29th, My gaming PC suddenly got into this habit of completely losing all power and shutting off, followed by restarting. Sometimes the PC would stay on for several hours after this incident, sometimes it would only stay on for a few minutes before doing it again. The one time it managed to stay on for several hours, it performed fine. I had left the system off for a few days, and when I came back it seemed at first like nothing was wrong. It was allowing me to do things like watch YouTube, play streams, and even edit HD videos with ease. However, the minute I booted up Overwatch to play it, it shut down on me again. It hasn't been the same since.

Usually, the system just shuts off so fast that my display doesn't show any errors popping up. It just goes black. However, on at least two occasions, I have seen a BSOD flash up on screen for only a split second. It doesn't stay up long enough for me to read what the errors are. All I know is that both BSODs have had the QR code flash up with them. I know there are other kinds of BSODs that don't have this QR code on it, so I'm hoping that narrows the pool.

What's more concerning to me is that I've tried using System Restore AND a Soft Reset of Windows (I can't do a hard reset yet cause I have to still back up my files) and on both instances, it failed. I also could not get the BIOS to boot from my Windows USB to reinstall Windows. Despite chosing the USB option in the boot menu, the system still booted from the Hard Drive. I did open up the system to have a look at it and I didn't see any damage to the motherboard with my own eyes, but I wouldn't rule out the possibility of it still being damaged. Also, I am concerned about where my system is placed. It is on a computer desk that sits right in front of the heating vent to my room, so maybe that has something to do with it.

Before I go take my system into a repair store, I'd like to know if you guys can help me determine what the problem is. I do have some theories of my own though. Maybe the stock cooler isn't cutting it to cool my CPU (especially when my PC is near a heater) or maybe some stray dust short circuited the motherboard. However, most hardware issues I can think of don't really explain why I can't restore my software to a previous state. Let me know what you guys think it might be and what I should do. Thanks.
 
Solution
Adardon
Make sure your CPU isn't getting too hot the 6300 can get extremely hot especially with the stock heat sink and if you have any overclocking on your PC put it back to stock. You can get a program to check if your CPU is too hot although AMD CPU's don't have a built in thermal reader thingy so it's usually off by 2-5 degrees. It could also be dust in your fans, heat sink or power supply, make sure they are nice and clean. Your power supply or CPU are the most likely to be cosing this problem although it could be the motherboard make sure and clean everything thing and dissembling and reassembling your computer could help and if your thermal paste is over 6 months old it would be nice to put some new paste on but isn't necessary. I hope...
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Adardon

Adardon

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Aug 29, 2016
59
0
4,660
Make sure your CPU isn't getting too hot the 6300 can get extremely hot especially with the stock heat sink and if you have any overclocking on your PC put it back to stock. You can get a program to check if your CPU is too hot although AMD CPU's don't have a built in thermal reader thingy so it's usually off by 2-5 degrees. It could also be dust in your fans, heat sink or power supply, make sure they are nice and clean. Your power supply or CPU are the most likely to be cosing this problem although it could be the motherboard make sure and clean everything thing and dissembling and reassembling your computer could help and if your thermal paste is over 6 months old it would be nice to put some new paste on but isn't necessary. I hope this helps :D
 
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M

MrMercyGG

Commendable
Nov 4, 2016
35
0
1,540


My CPU is NOT overclocked, but my system is, as I said, next to a heat source for my house. If you're telling me that the FX 6300's stock cooler isn't great to begin with, and on top of that my PC is next to a heat source, I could see that causing the problem. Also, I do believe that the day we turned the thermostat on in my house is the day this all started. I couldn't afford a good cooling system when I built the PC, but I may have to pony up the money to get one. I can't really move my system from its location, since its the only way I can access my Ethernet cable. I did clean the PC with compressed air about 2 months ago and once more when I started having this problem, so it's fairly clean. Also, looking at the motherboard I can't see any noticeable damage still and upon checking the CPU fan, that seemed clean too. Again, it's still possible that a stray speck of dirt that I can't see short circuited something on the MB, but more and more it looks like the MB isn't the cause of the problem.

Unfortunately, I can't really disassemble my system because I have no thermal paste to apply back to the CPU. I'll let the repair company deal with that. It was enough of a pain getting it assembled in the first place.

I will try to get a CPU temp program working on my system after I back up my files onto my laptop and keep an eye on it as I use it. I'm sure it's going to shut off again and restart, but if I can see what temperature the CPU is running at before that happens, that might be useful information.
 
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Adardon

Adardon

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Aug 29, 2016
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How hot does that heat source get. 6300 is known for getting quite hot so if your using the stock cooler plus that heat source that might just do it. what is the reason you cant move your Ethernet cable there is a couple solutions to moving it if its like a desk in your way you could drill a small hole and route the cable through that there is also a really convenient thing (i use it myself and it works perfectly) its a little wireless extender you just plug into a outlet near your router and then you can plug into an outlet anywhere in your house then you can plug the Ethernet cable in that thing and it works just fine it also makes wireless connectivity in that area a bit stronger.
 
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M

MrMercyGG

Commendable
Nov 4, 2016
35
0
1,540


The vent that my PC is near leads to our furnace, which we never turn above 72 degrees F. Also, the PC isn't backed right up against the heater. It does have a bit of breathing room and there is a little bit of airflow between the two.

I use a Powerline adapter for my internet. Unfortunately, my modem is on the completely opposite end of the house and it would be too much of a project to try to run an ethernet cable from it to my room to make it so I can move my desk.

Also, after transfering some files, I deleted nearly all of them from the HDD. When I put the hard drive back in and booted up the system, I got a BSOD a couple times that stayed up long enough for me to read it. It said PROCESS1_INITIALIZATION_FAILED. However, after the second BSOD, for once and the third reboot occured, Windows actually tried to fix something. It apparently had something to do with the hard drive but once it completed, it booted me into Windows. I installed Core Temp on my system and as I am writing this, my system has been on (albeit with nothing really going on) for about 15-20 mins running at a min temp of 16 degrees C and a max temp of 49 degrees C.

However, I went into System Information to check on some things and noticed that while I have 2 4GB sticks of RAM installed on my system, my Sys Inf is only showing 6GB installed with 4GB total physical memory and 2.4 GB of available physical memory. I did some digging on the site and found a thread posted by someone with a nearly identical build to my PC (just some older models of things) having the same problem. Best answer said that one of the sticks is probably damaged. My question is, could damaged RAM cause any of these problems? Like, if I exceed my available RAM, would that cause a system crash leading to a reboot? I mean, there was that one time I booted up Overwatch only to have my PC crash on me.
 
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Adardon

Adardon

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Aug 29, 2016
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NICE!!!!!! Well there you go enjoy your computer :) But getting a new cpu cooler will also help the longevity of your cpu's life
 
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