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new build help with psu please

buckstar

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hi just finished my new build and have no power from my psu. i have a green light on my motherboard but thats all i have. all connections are installed correctly. my case fans are not even spinning when connected to the psu. any ideas on this or is my psu dead? it's brand new tho.
 
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sounds like you got a bad PSU. there is a trick to check it, give me a minute and I'll get you the details of that trick
 
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Please list your specs.
 
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buckstar

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Storage 320 gb barracuda 7200 rpm
Display(s) 37" samsung
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will try that in a mo just need a paper clip. :)
amd a8
asus fm1 pro matx
8 gig corsair v/ance 1866
powercool 550w 80+ psu
hd 6670
 
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Have you connected your fans to the headers on the mobo or directly from the PSU? CPU fan is spinning? Unplug your 24 pin and the 8 pin CPU and plug them again - I think they have to make a click - and try again
 

buckstar

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will try but need to find a paper clip 1st ty
 

buckstar

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Storage 320 gb barracuda 7200 rpm
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Case matx
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ok so i did the paper clip thing and the psu and fan worked, so im just wondering if it might be the motherboard or ive not connected it up right? gonna check if i have cnnected the case switchs correctly could this be causing it not to work?
 
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ok so i did the paper clip thing and the psu and fan worked, so im just wondering if it might be the motherboard or ive not connected it up right? gonna check if i have cnnected the case switchs correctly could this be causing it not to work?

if you get a reaction of some kind from your computer when you push the power button, I don't think you hooked up the switches right. My next guess would be a bad motherboard.
 

buckstar

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united kingdom
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Motherboard asus fm1 pro
Cooling air cooled
Memory 8gb corsair vengence 1866mhz
Video Card(s) amd hd 6670 hybrid xfire
Storage 320 gb barracuda 7200 rpm
Display(s) 37" samsung
Case matx
Power Supply cx 600
if you get a reaction of some kind from your computer when you push the power button, I don't think you hooked up the switches right. My next guess would be a bad motherboard.

problem solved. it was the 8 pin power connector that clips into the mother board . i split it so its 4 pin and now everything is working fans and cpu etc. just not booting into windows 7 at the mo so thats my next step thanks for your kind help it's much appreciated
 

JrRacinFan

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buckstar

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united kingdom
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Motherboard asus fm1 pro
Cooling air cooled
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Video Card(s) amd hd 6670 hybrid xfire
Storage 320 gb barracuda 7200 rpm
Display(s) 37" samsung
Case matx
Power Supply cx 600
yes very strange
 

buckstar

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Location
united kingdom
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Motherboard asus fm1 pro
Cooling air cooled
Memory 8gb corsair vengence 1866mhz
Video Card(s) amd hd 6670 hybrid xfire
Storage 320 gb barracuda 7200 rpm
Display(s) 37" samsung
Case matx
Power Supply cx 600

JrRacinFan

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buckstar

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Video Card(s) amd hd 6670 hybrid xfire
Storage 320 gb barracuda 7200 rpm
Display(s) 37" samsung
Case matx
Power Supply cx 600
in my psu manual it says. note: 8 pin is mainly for servers .
 

JrRacinFan

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buckstar

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united kingdom
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Cooling air cooled
Memory 8gb corsair vengence 1866mhz
Video Card(s) amd hd 6670 hybrid xfire
Storage 320 gb barracuda 7200 rpm
Display(s) 37" samsung
Case matx
Power Supply cx 600

JrRacinFan

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if i run the 8 pin would it make any difference to using 4 pin?

Most high end motherboards have 8 pin CPU connector, which should be used unless stated otherwise
 
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