PC Shut Down & Won't Turn Back On

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xMemzi

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Mar 2, 2015
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Hello guys, so this Christmas I upgraded from a AMD FX 8320 to a 4790K and switched to an ASUS Maximus VII Hero motherboard. Everything worked great, until earlier this afternoon at about 1:40 PM, when my computer randomly shut off in the middle of a League of Legends game, when I tried powering the computer back on, it would not turn on, I've unplugged the PSU and tried switching it back on and nothing happened, at first I thought my power supply died on me, but that doesn't seem to be the case since the LED's for the ASUS Maximus are still on when it's plugged in, but it just won't turn on.

I think it's important to note, that when I do press the start button, that I hear the PSU fan tick, as if it's about to start, but hardly moves, not even making an eighth of a rotation.

There wasn't any obvious odor either, I have no clue whatsoever what happened, other than it just shut down and won't power back on. I unplugged the power supply and let it sit for about 5 hours, hoping that maybe it was an overheating issue, but that also, was not the case.
 
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badboyrog2

badboyrog2

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``Hello guys, so this Christmas I upgraded from a AMD FX 8320 to a 4790K and switched to an ASUS Maximus VII Hero motherboard`` GOOD MOVE!!

i suspect the psu ..i do not know which psu model you have? but it look on this way

overheating is possible too ...do you have an after market cpu cooler or the stock one?
did you install the cpu and the thermal paste correctly?
let me know

Mod Edit - Best Answer Removed by OP Request - http://www.tomshardware.com/answers/id-2924509/unsolve-thread.html
 
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xMemzi

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Sorry about clicking solve on your post, I accidentally clicked "Choose as best solution" and I'm working on getting it unsolved.

I used the stock cooler which came with pre applied thermal paste, so I don't think I've put on the thermal paste incorrectly, I've installed the CPU correctly that I was using the build for about 2 weeks before this happened.

This is the PSU I have:
http://www.newegg.com/Product/Product.aspx?Item=N82E16817153198&FM=1

In a few of the reviews, they talk about similar experiences to the one I am currently having, I hope that this is the issue since the PSU was so cheap and replacing the other parts are far more expensive. However, I still think it's a bit odd that the power supply powers the motherboard LED's, is it possible for a dead PSU to do this?
 
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Rukeith

Rukeith

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Hmm, well is there a way you could test your current PSU in another system you know works?
 
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badboyrog2

badboyrog2

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``I used the stock cooler which came with pre applied thermal paste, so I don't think I've put on the thermal paste incorrectly, I've installed the CPU correctly that I was using the build for about 2 weeks before this happened.``

do not use stock cpu cooler for an i7 k cpu , put new thermal paste on the cpu ...the one who is already applied is crap

and get a real psu as soon as possible like seasonic/xfx/antec hcg-truepower-edge/evga b2-g2-gs
try to exchange your psu with one of them above


 
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xMemzi

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I know my power supply isn't very good and I've been planning to get a proper one for a while, but I'm starting to think that it's more of a CPU problem. My graphics card is fine, and my motherboard LEDs are on indicating that it is getting power from the PSU, I've heard from one of my friends that he had a similar problem, but the issue was that his CPU died. I'm going to buy a new CPU cooler as soon as I figure out what the issue is. Is there a way I can test to see if the power supply unit is in fact dead or at least fails to provide enough power to start the computer?
 
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BrandX

BrandX

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Take out all the components that aren't essential - run it one just one stick of RAM and use onboard graphics if the motherboard has onboard graphics.

[strike]
If it still won't power on with the wattage reduced, then the PSU is likely faulty, if it does power-on then the problem is elsewhere - ie, the mobo or cpu.[/strike]

EDIT! Sorry, my brain is not at 100% today.
What I mean is, if the computer will power-on with the wattage load reduced, then the PSU probably isn't powerful enough.
 
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xMemzi

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BrandX I will try this in an hour or so, but the power supply was working for 2 weeks before this happened, obviously the the 4790k requires more power than the Fx 8320, but is it possible for it to just stop working all of a sudden and not work anymore?
 
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BrandX

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If it is a bad PSU (and it might not be) I think it's more likely that it blew a fuse or something when you turned it on. Unfortunately even changing a fuse inside a PSU is best left to the experts because of the danger of electric shock from residual charge. Is it a brand name PSU or a cheapo one?
 
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BrandX

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There are mixed reviews and opinions of the lower-end Thermaltake PSU's. I looked up your PSU on Amazon, and while the reviews are mostly positive, some people report their units burning out or developing faults.
 
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xMemzi

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Well I don't want to buy another PSU and find out the issue is another component or vise versa, is there anyway I can ensure that the PSU is the issue?
 
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