psu switch needs to be flicked to turn cpu on

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justtineg

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Dec 20, 2011
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hello everyone,

my cpu sometimes wont turn on by pressing the main power button on the case nor when pressing the power button on the motherboard. what i do in these situations (what i've found out) was i needed to flick the psu's power switch on and off several times to kinda jump start the cpu to power on. dont get me wrong when i turn on my ups everything on the motherboard lights up, i.e. power button, reset buttom, etc.. but when i press the main power button or motherboard power button my cpu doesnt turn on. is this a psu issue? thanks in advance for any replies.

p.s. here are my specs:
PSU - Seasonic X-series 660w 80+ Gold
CPU - Intel i5 2500k @ Stock Config
Motherboard - ASUS Maximus V Gene (Z77)
RAMs - Corsair Vengeance 1600mhz 2x4Gb
Cooler - Corsair H100
Case - NZXT Phantom 410
 
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dustinhunt78

dustinhunt78

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Feb 22, 2014
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Make sure that all connections and wires are tight. There really isn't a way to tell for sure what is wrong. It could be PSU, CPU or motherboard. If you have any spare parts try them in your computer to see if they work. If everything works as it should, the part you replaced is the defective one.

More than likely you'll have to end up taking your computer into a repair shop so that they can actually test each component individually. And I don't think it's a good idea to flick the switch off and on like that. It doesn't sound too healthy for the machine.
 
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J

justtineg

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Dec 20, 2011
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my motherboard is new. i had this problem too when i had my old P8P67 deluxe. i thought at first it probably was the wiring but when i replaced my motherboard i made sure the wires were tight. and when i replaced my motherboard this did not happen anymore, until now.
 
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dustinhunt78

dustinhunt78

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Do you ever touch your motherboard with your hands for any reason?
 
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J

justtineg

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Dec 20, 2011
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nope. when i handle my mobo i usually hold it on the ram sockets and the same sockets pins or i hold the heat sinks not the pcb of the mobo. i also make sure to discharge any static before touching/holding any of my components.
 
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