Solved computer repeated shutting off and on

May 14, 2012 at 05:36:44
Specs: windows 7
Well where to begin.... this issue started last week where I was just watching a tv show online and my computer just randomly shut off, I turned it back on and it worked again for about 15 minutes and than shut off again, from there it would only turn on long enough to barely post..... anyways my first guess was maybe my psu was dying or what not, so I took pulled one of my GPUs out and we turned on again. Computer powered on and stayed on for maybe ten minutes... and I'm back to where I started again. I gave my computer a while to sit and I turned it on its side and I started to mess with it again computer stayed on for hours no issues I was testing to see if I was having over heating issues, CPU NB and MB all no where no near over heating, again I tried to stress my GPUs and over all system running Battle field 3 maxed..... no issues, shut my computer down thought I was good to go since I had used it for the day with no issues.... But again the next day same issue, computer powered down after a while of simple tasks.... Anyways I spent the next few days looking up possible solutions.... and I did the following I re-seated every piece of hardware other than my CPU, looked for possible shorts and created less clutter in my system. Driving to work today I figured the only thing I've really changed as of lately in my setup is adding my SSD about a month and a half ago. I never had this problem prior to that so that will be what I try when I get home, however Diablo 3 does come out tonight so I wanna have other possible solutions to stablize my system for some quality play time.... Thanks for your thoughts suggestions

I have not heard a BEEP code the whole time this has been happening as well....
windows 7
I7 950
Asus Sabertooth X58
CORSAIR XMS3 DDR3 1600 3x2gb
2x EVGA 470GTX
Sparkle Gold Class 850w PSU
ssd 120gb mushkin chronos
Western Digital Caviar Black 1TB


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#1
May 14, 2012 at 06:45:55
i doubt the SSD is the problem, watching videos uses CPU time and power as well as GPU, so shutting down while watching videos is probably cpu related or maybe power related. i want u to check ur temps (speedfan) and reset all bios settings to default, run a full system scan using malwarebytes in safe mode. clean the cpu fans from the dust. and lets make sure the power supply is not the problem is there any possibility that u can test that power supply on another computer ? if so please do and check if that pc shuts down.

computers are a second home
NVIDIA GeForce
GS_Toxict51


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#2
May 14, 2012 at 06:49:41
✔ Best Answer
edit: just looked up ur psu and was shocked to see the results
http://www.techwarelabs.com/sparkle...
if u notice there are 5 12V rails, and thats not good for a psu since it does not determine which 12V is for what piece of hardware. Im not sure how the pc lasted this long with this power supply, like i mentioned earlier test that psu to confirm
make sure to test it on a powerful system

computers are a second home
NVIDIA GeForce
GS_Toxict51


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#3
May 14, 2012 at 07:26:21
Thanks for your quick reply, I'm gonna grab a back up PSU on my way home tonight and throw that in there and see what happens.... I did reset the bios when I took the computer down the other day and reseated everything... Its funny how that website can be so positive about the PSU and several other websites I read the same... I did research it prior to buying it and never read anything negative about it so I gave it a go.... well hopefully throwing another PSU in tonight will do the trick... I'll let you know and go from there! Thanks for your help :)

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