Computer restarts randomly when playing games

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eversoawesome

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Jan 27, 2013
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10,510
Hello, first post here!
I've had my computer for about 5 years, but this problem started happening about 3 years ago. Whenever I play games only, my computer would shut off, and reboot by itself, asking me if I would like to run safe mode, or regular mode. Of course I've been researching a while back and came across many threads here with people with the same problem. The PC reboots at random moments, sometimes it's good for like 1-2 months without rebooting at all. When it does reboot, it continues to do it for the rest of the day. I'm forced to just not use my computer to play games for the rest of that day. I can browse the web for hours and leave my computer on for days downloading things, and it won't turn off. About a year ago I got frustrated enough and went to Fry's Electronics to get a diagnostic that costed 90 dollars. I was pretty sure it was my power supply, or that's what many threads pointed to but i wanted to make sure before i bought a new PSU. After about 2 weeks I got called to pick it and the guy said apparently there was no problem with the rig. He said he stress tested it for about a week and it didn't shut down. I just wasted about 100 dollars... I asked if it was my PSU since it was only 400 watts but he said no. He offered me to just reinstall windows cause it might be a software problem. I doubted it, because it happened with every game, but regardless I erased all my data and reinstalled Windows. I downloaded a game and played, it rebooted with the same problem. I was so sad hahaha. Alright enough of my story, my specs are:
(it was a PC by Velocity Micro called the Edge MX230)- the only aftermarket upgrade that I did, just about a week ago was get 16gb of ram
Nvidia GTX 260
16GB or Corsair Vengeance 1600 ram
Intel Desktop Board, DP55WP
Windows 7 64 bit
400 Watt PSU, (no brand when I opened the case)
average generic 1TB HDD
well, if you guys want the full list its just here: http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=5662664, but the only thing I did was upgrade the ram recently :(
 
Solution
Your system under 100% load would not draw more than 400W when new but components and the power supply degrade over time manufacturers will source the cheapest power supply that will last the warranty period. If you look at and toms build like this one http://www.tomshardware.com/reviews/build-a-pc-overclocking-do-it-yourself,3366.html even overclocked it draws 130W less than the PSU they used (and its a quality one and the tested draw was at the wall so doesn't alloe for PSU inefficiency making the unit use about 20% less) giving them a huge margin of safety while yours maybe only has 20W margin.

eversoawesome

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Jan 27, 2013
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10,510

I can probably confirm that it's not the ram, i didn't overclock it and yesterday i ram memtest for 10 hours with 4 passes and no errors. It might be the temp because about a week ago i decided to clean up my computer and found what i thought to be a lot of dust in the graphics card and the processor cooling unit. what is the normal temp my computer is supposed to run at?
 

ttomm46

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Mar 3, 2012
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10,530

Sounds like power supply but believe it or not i had that problem and it was caused by bit defender but that was about 4 years ago.
 

eversoawesome

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Jan 27, 2013
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10,510

hmm, i cleared the dust in the psu, cpu, and gpu yesterday. i'm running avira antivirus
 


OK its not the RAM but was worth ruling it out. The CPU temp should be well below 70C when stress testing and the GPU lower than 90C though will generally be much lower
 

eversoawesome

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Jan 27, 2013
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10,510

okay so my my 4 cores were on the max of 64 degrees C, and my graphics card was about 70-71 when the computer rebooted.
and by the way, my event viewer log just has Critical: event 41, without any other errors surrounding it...i'm pretty stumped.
I disabled "windows automatically restart" in advanced settings, but it still restarts regardless without a BSoD.
I'm not sure which stress tests the guys at Fry's ran but I remember there being 3
 
Since most other likely things are ruled out now I think it must be the power supply. But a stress test should also cause the same crash if the CPU & GPU are both stressed. You could try running the GPU test in OCCT and while its running start intel burn test (both free downloads) and check your temps and see if it crashes the same way. But doing this on a questionable power supply may kill it which could take the motherboard and other components with it.
 

eversoawesome

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Jan 27, 2013
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10,510

sorry, but does killing it mean just making it shut down or permanently destroy the mobo and graphics card
 

wrathofdragon

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Nov 26, 2012
245
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18,760

power supply testers check to make sure the right voltage is on all the output wires. it will now show errors or if the PSU has a short...

when you check the Newegg.com PSU calculator, your Recommended PSU Wattage: 501 W
You said yours is 400.
that seems to be the problem.
your Graphics, HD, and cpu are heavily utilized when playing games drawing large ammounts of power. The PSU cant take the load and restarts the PC to not burn it out.

I guessed on some of your specs. but you should check yours out for yourself.http://images10.newegg.com/BizIntell/tool/psucalc/index.html
 

eversoawesome

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Jan 27, 2013
19
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10,510
dang, thanks for the link. I'm not quite sure on some of the inputs i put in the psu calculator but it amounted to about 480. Now the only thing i'm wondering is why the Velocity, the company I bought the pre built computer from, would do this...
 
Your system under 100% load would not draw more than 400W when new but components and the power supply degrade over time manufacturers will source the cheapest power supply that will last the warranty period. If you look at and toms build like this one http://www.tomshardware.com/reviews/build-a-pc-overclocking-do-it-yourself,3366.html even overclocked it draws 130W less than the PSU they used (and its a quality one and the tested draw was at the wall so doesn't alloe for PSU inefficiency making the unit use about 20% less) giving them a huge margin of safety while yours maybe only has 20W margin.
 
Solution

eversoawesome

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Jan 27, 2013
19
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10,510

oh, I see, well i'm never going to buy a computer from Velocity again... Alright i'll try to get my hands on a psu, probably next week with the president's day three day weekend. What would you recommend? I'm looking towards the Corsair TX 650. Would that be enough? and what's the difference between the Hx and the Tx model?
 
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