[SOLVED] PC Keeps restarting randomly please help

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eclipzfuzion

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Dec 22, 2018
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I not long just used Windows 10 in built setting to clear all files and start from scratch but now after the PC being on for a bit it just restarts randomly. Really confused why this is happening
 
Solution
mortemas
There's another user on here (their avatar is Bob Ross) who has a saying, it's either the PSU, RAM, or Software in that order as far as probability. Kernel Power 41 means the PC shut down and usually Windows can't tell you why because it was so sudden that no record of the problem could be written to log files. Test the RAM first, but if the PSU is really the problem the PC could still restart during the test, or might not restart at all because it's not stressing the PSU. I'd say if it restarts during a RAM test and you know for sure at the moment it restarted that there were no RAM errors, then it could very well be the PSU. If you have, or can borrow, another PSU then give that a try. Don't use your old PSU cables, only the ones...
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Dark Lord of Tech said:
Specs please and be sure to include the make , model and wattage of PSU.
Click to expand...
GPU - GTX 1060 EVGA SC 6GB
CPU - Ryzen 3 1200
RAM - 8GB Corsair Vengeance DDR4 2400MHz or 2666MH
PSU - 550W VS Corsair
MOBO - Gigabyte A320M - DS2
(I understand the CPU doesn’t match very well with the GPU but it’s been like that for about 10-11 months as I have not yet upgraded)
 
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Reseat simply means to disconnect and then reconnect. You could try it for RAM, all power connections to and from the PSU, data cables, the CPU, graphics card (including card-to-mobo connection and the PCIE cables to the graphics card), etc. Anything with an electrical connector that can be separated and put back together. Many problems with electronics stem from bad interconnects and can be solved by reseating those electrical connectors. This can work for various reasons, one being oxidation on the contacts. When the connection is separated the electrical contacts wipe against each other as you pull it apart and then they once again wipe against each other when you reconnect. This essentially cleans the electrical contacts (burnishing). Another possibility is that a connector wasn't fully seated in the first place and reseating it fixes this problem.

Are you getting a Kernel Power 41 error in Windows Event Viewer?
 
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mortemas said:
Reseat simply means to disconnect and then reconnect. You could try it for RAM, all power connections to and from the PSU, data cables, the CPU, graphics card (including card-to-mobo connection and the PCIE cables to the graphics card), etc. Anything with an electrical connector that can be separated and put back together. Many problems with electronics stem from bad interconnects and can be solved by reseating those electrical connectors. This can work for various reasons, one being oxidation on the contacts. When the connection is separated the electrical contacts wipe against each other as you pull it apart and then they once again wipe against each other when you reconnect. This essentially cleans the electrical contacts (burnishing). Another possibility is that a connector wasn't fully seated in the first place and reseating it fixes this problem.

Are you getting a Kernel Power 41 error in Windows Event Viewer?
Click to expand...
I’m not sure how to check that mate
 
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I have just taken all power PSU cables out and put back in. My PC tends to restart after possibly around an hour or 2 however I’m not using it I’m that time as I am downloading Rainbow Six
 
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mortemas said:
Reseat simply means to disconnect and then reconnect. You could try it for RAM, all power connections to and from the PSU, data cables, the CPU, graphics card (including card-to-mobo connection and the PCIE cables to the graphics card), etc. Anything with an electrical connector that can be separated and put back together. Many problems with electronics stem from bad interconnects and can be solved by reseating those electrical connectors. This can work for various reasons, one being oxidation on the contacts. When the connection is separated the electrical contacts wipe against each other as you pull it apart and then they once again wipe against each other when you reconnect. This essentially cleans the electrical contacts (burnishing). Another possibility is that a connector wasn't fully seated in the first place and reseating it fixes this problem.

Are you getting a Kernel Power 41 error in Windows Event Viewer?
Click to expand...
I have just checked and I am receiving Kernel Power41
 
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There's another user on here (their avatar is Bob Ross) who has a saying, it's either the PSU, RAM, or Software in that order as far as probability. Kernel Power 41 means the PC shut down and usually Windows can't tell you why because it was so sudden that no record of the problem could be written to log files. Test the RAM first, but if the PSU is really the problem the PC could still restart during the test, or might not restart at all because it's not stressing the PSU. I'd say if it restarts during a RAM test and you know for sure at the moment it restarted that there were no RAM errors, then it could very well be the PSU. If you have, or can borrow, another PSU then give that a try. Don't use your old PSU cables, only the ones that come with the alternate PSU. I was plagued with Kernel Power 41 restarts and it was the PSU that was bad for me. Went from a risky 800w unit by Silverstone to a temporary Gigabyte PSU test unit which didn't cause any restarts for a good 16 hours of use. I eventually bought a better quality Corsair 750w model to permanently replace the Silverstone.
 
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Solution
mortemas said:
There's another user on here (their avatar is Bob Ross) who has a saying, it's either the PSU, RAM, or Software in that order as far as probability. Kernel Power 41 means the PC shut down and usually Windows can't tell you why because it was so sudden that no record of the problem could be written to log files. Test the RAM first, but if the PSU is really the problem the PC could still restart during the test, or might not restart at all because it's not stressing the PSU. I'd say if it restarts during a RAM test and you know for sure at the moment it restarted that there were no RAM errors, then it could very well be the PSU. If you have, or can borrow, another PSU then give that a try. Don't use your old PSU cables, only the ones that come with the alternate PSU. I was plagued with Kernel Power 41 restarts and it was the PSU that was bad for me. Went from a risky 800w unit by Silverstone to a temporary Gigabyte PSU test unit which didn't cause any restarts for a good 16 hours of use. I eventually bought a better quality Corsair 750w model to permanently replace the Silverstone.
Click to expand...
Cheers mate, I have searched it up and it said I can stop the system from automatically restarting so I have done so. So for the time being is this a big issue if I stop auto-restarts such as any possible safety risks or performance as from this far there is no loss in performance, cheers
 
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Ah yes, I turned off auto-restarts as well. For my situation, it stopped a particular restart issue I had that was very specific and repeatable in a game’s opening cinematic, and then I got a restart while in-game anyway so it didn’t really fix the problem.

I wondered the same thing in my situation, if I disable this safety feature could it do any harm. Well, it’s tough to say if we don’t know the exact reason for the restarts. You just have to approach the problem methodically and change the variables one at a time to rule them out until you find the cause. Having said that, I delayed focusing on my PSU until the very end to avoid the trouble of swapping it out of a densely packed ITX build but if I focused on the PSU first I could have saved a lot of time and effort. I also knew it would hurt to have to spend more money on a new PSU, but I was fortunate to have an ATX PSU that, if not installable inside my small case, enabled me to at least test the PC with a different PSU. So, basically I worked backwards on that list and started with software, then RAM, and it ended up being the PSU.

I suppose it’s possible it could be related to the Windows reset. You could try a full reinstall to see if that clears it up.
 
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mortemas said:
Ah yes, I turned off auto-restarts as well. For my situation, it stopped a particular restart issue I had that was very specific and repeatable in a game’s opening cinematic, and then I got a restart while in-game anyway so it didn’t really fix the problem.

I wondered the same thing in my situation, if I disable this safety feature could it do any harm. Well, it’s tough to say if we don’t know the exact reason for the restarts. You just have to approach the problem methodically and change the variables one at a time to rule them out until you find the cause. Having said that, I delayed focusing on my PSU until the very end to avoid the trouble of swapping it out of a densely packed ITX build but if I focused on the PSU first I could have saved a lot of time and effort. I also knew it would hurt to have to spend more money on a new PSU, but I was fortunate to have an ATX PSU that, if not installable inside my small case, enabled me to at least test the PC with a different PSU. So, basically I worked backwards on that list and started with software, then RAM, and it ended up being the PSU.

I suppose it’s possible it could be related to the Windows reset. You could try a full reinstall to see if that clears it up.
Click to expand...
Thanks a lot for your informative quick replies.It pains me to say that it is most likely the PSU as when I first started the build I went cheap as possible so I went with the low end 550W VS Corsair PSU. It’s just a headache to switch them out so I have been hoping it wasn’t hardware but most likely is
 
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Yeah, I hear you. The benefit of starting with software/bios/settings is that the only expense to you is time. If you don’t have a spare PSU lying around you’re going to have to get one somehow. Before you do, you can spend a bit more time to test the RAM with MemTest86 first just to be thorough.
 
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mortemas said:
Yeah, I hear you. The benefit of starting with software/bios/settings is that the only expense to you is time. If you don’t have a spare PSU lying around you’re going to have to get one somehow. Before you do, you can spend a bit more time to test the RAM with MemTest86 first just to be thorough.
Click to expand...
So what effects can I see with the RAM test ?
 
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You want to run it for quite awhile, the suggestion is overnight for a good 8 hours. What you're looking for is zero errors reported by MemTest86. Even one single error means you have a problem with RAM, although I myself am left wondering if a PSU problem can show itself in the form of an error in a RAM test. Are the restarts occurring during light tasks, or under heavier loads only?
 
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