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PSU problem or?


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4 replies to this topic

#1 Obfkhalp

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Posted 14 February 2016 - 01:47 PM

I built a PC a few days ago, only the second one I've ever built. It works great for the most part but sometimes, when I turn it on or off, it will flash all of its lights (the fans, the lights on the video card, but NOT the power LED, strangely enough). It will do this endlessly until I switch off the PSU, after which it will do it a few more times and then stop.

Obviously, when this happens at startup, it won't come on. It just flashes its lights until I shut the power off. When it happens at shut down, it'll start flashing after the monitor turns off -- about when a healthy, normal PC would be completely off, mine will instead be flashing its lights. When this happens, no fans are spinning.

I've checked all the connections. I've checked that the heatsink is all the way in (it's stock). I've moved my one 8GB RAM stick. I've checked my temps, they're reasonable. When it does work, I don't know why. I just keep trying it, and it eventually works and runs perfectly fine for hours on end.

What could this be? Thanks in advance.

My build:
Asrock H97M Anniversary
Intel i3 4170
EVGA 500B
GTX 950
Crucial Ballistix RAM
WD Blue

Edited to add: Sorry if this isn't the right place, I'm new here.

Edited by Obfkhalp, 14 February 2016 - 01:55 PM.


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#2 Guest_nickko_*

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Posted 15 February 2016 - 01:59 PM

try to reconnect your 24 pins cable on your motherboard

 

it have to be locked

 

what is your psu ?

 

try to reconnect your case cables on your motherboard system panel and check the polarity some times you have to connect the cable with the correct polarity



#3 ranchhand_

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Posted 16 February 2016 - 09:35 AM

Swap your power supply out with another to check if it is good or not.


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#4 dc3

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Posted 16 February 2016 - 01:35 PM

check the polarity some times you have to connect the cable with the correct polarity

The SATA power connectors are keyed in such a fashion that it is not possible to connect them incorrectly.  


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#5 Mars86

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Posted 17 February 2016 - 01:55 AM

Sounds like a potential power supply issue.






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