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Old 10-27-2011, 01:51 PM   #1 (permalink)
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Default PC Won't Boot

Mobo: asrock h61m-hvs
cpu: i5-2400
PSU: AYWUN A1-5000 500w
GPU: nvidia 430gt 2048mb
RAM: 8gb ddr3 1333

here is my analysis when i hit the power on button:

* power supply is down
* i notice the cpu fan makes a very slight turn, like 1/2cm turn
* all components are down except the LED of the chassis
* whenever i unplug the 12v PSU 4-pin connector, CPU and PSU fan works, except for the GPU fan

this happened the first time I assemble the components together, then i did an accidental and unexplained miracle that made it turn on. The problem returned few days later.

I'm not sure which components do i RMA. I need some help, thanks.
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Old 10-27-2011, 01:57 PM   #2 (permalink)
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Default Re: PC Won't Boot

What do you mean by "PSU is down"?

Try disconnecting parts until you come at a solution. Start with the hdd, optical. Try using one stick of RAM. Next, see if removing the GPU helps.
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Old 10-27-2011, 02:03 PM   #3 (permalink)
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Default Re: PC Won't Boot

i did all those gpu removed and inserted, 1 or 2 ram inserted and no ram, hdd out and plugged. i have no optical drive. and the problem persists. i can't pin point the problem

sorry i meant power supply won't work even if it is plugged in a wall socket and the 24 pin and 4 pin cables secured in the mobo
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Old 10-27-2011, 02:06 PM   #4 (permalink)
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Default Re: PC Won't Boot

Try resetting your CPU. Might want to try taking your board out of the case. Put it on a piece of cardboard. See if you get anything. Might be your board. Have another PSU around? Try that.
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Old 10-27-2011, 02:11 PM   #5 (permalink)
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Default Re: PC Won't Boot

i did those too, motherboard out of the case and on a pillow, and also a wooden surface, and reset the cpu. the problem is i am not willing to waste any more $$ if i wana test if one component is working or not, these are the only i have.
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Old 10-27-2011, 02:13 PM   #6 (permalink)
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Default Re: PC Won't Boot

did you try a different PSU? If so, it is your board or CPU.

You can easily RMA your board. It will only cost you shipping to the manufacturer. Under $15
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Old 10-27-2011, 02:19 PM   #7 (permalink)
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Default Re: PC Won't Boot

i think it's my mobo too, thanks i submit an update here once i get a new one
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