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PC shuts down randomly

#1alancal90Posted 9/17/2013 8:04:13 AM(edited)
Lately my computer has randomly started to shut down. I don't believe it's an overheating problem, I've opened it up look for loose connections and things of that nature. I don't get a BSOD and my computer never turns itself back on, but I can turn it back on right away. It's annoying because it occurs during gameplay, but also has happened not during games. I can't find out if it's a hardware or software problem is there some way to narrow down could be causing it?

If it makes a difference I had an i5 2500k, Radeon HD 6870, Intel BOXDH67BLB3 Motherboard, 8GB of ram, windows 8 64 bit.
#2TravisCombsPosted 9/17/2013 8:03:02 AM
My guess is the power supply. I've had that problem myself and the power supply was the culprit.
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i5-760 @3.80GHz | 12GB G.Skill DDR3-1600 | MSI GTX 660Ti | Gigabyte GA-P55A-UD3 | 1TB WD Caviar Black | Corsair TX650 | Antec 300 Illusion | Windows 7
#3alancal90(Topic Creator)Posted 9/17/2013 8:10:27 AM
Something else I noticed if I'm playing a game I notice the game begins to lag a bit before it happens. I can pretty much know its coming when my game starts to lag a little.
#4SlaynPosted 9/17/2013 8:12:37 AM
check temps
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You can buy a $500 console and a $500 computer and have two crap machines, or you can spend $1000 building your own computer and have the best of both worlds.
#5alancal90(Topic Creator)Posted 9/17/2013 8:17:12 AM
Last time it started lagging I brought up realtemp and my processor was at ~60 according to that. I saw it right before it shut down. Is it possible that program is wrong? Is there a better one to use? Also, I thought overheating caused a BSOD.
#6ShadowBanjoPosted 9/17/2013 9:34:40 AM
Overheating can cause a crash with no blue screen, happened to me a while ago. But my CPU temps were reaching the high 70's, so overheating might not be the issue here.
#7Loserman15Posted 9/17/2013 9:47:30 AM
It's your powersupply, I'm almost certain.
#8LootmanPosted 9/17/2013 9:49:55 AM
Loserman15 posted...
It's your powersupply, I'm almost certain.

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