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Pc trying to start...

Last response: in Motherboards
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February 15, 2012 12:01:03 AM

Hello,
When I turn it on fans spin few seconds, but then everything stops for a few seconds. PC doesn't shut down but it tries again and again and again... I tested Power supply and it passed. I started disconnecting power cables and PC continues to work and fans continue to spin only when I remove 8 pins cable from the motherboard (cpu power?) CPU dead?
It is core2 quad q9550 processor on Asus WS board. I built this machine few years ago and it always worked flawlessly.

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a b V Motherboard
February 15, 2012 5:41:05 AM

Yes, that will be the CPU power cable. Could it possibly be a short-circuit (at the CPU power regulator)? Any beeps? Have you ever overclocked? Have you reset the CMOS?
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February 15, 2012 8:42:44 AM

PreferLinux said:
Yes, that will be the CPU power cable. Could it possibly be a short-circuit (at the CPU power regulator)? Any beeps? Have you ever overclocked? Have you reset the CMOS?


Thank you. I would guess it is short-circuit somewhere in cpu "area". Like I said it works probably for a 4-5 seconds, makes pause and tries again.
Yes, I did reset the cmos with the jumper.
My speaker doesn't give any sound ever. May be bad speaker.
When I test I remove graphic card, memory, all hard drives and dvd rom, disconnect all fans, etc. It works in any situation except when cpu power cable is connected. I did overclock cpu but very slightly. I had good cooler and good air flow so temperature was very low.
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February 15, 2012 6:39:43 PM

Solved! It was bad power supply.
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a b V Motherboard
February 15, 2012 6:50:14 PM

Edit: didn't see that! Good that you've solved it. I did think it might be the PSU, but got distracted by other things!
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February 24, 2012 11:01:41 PM

Best answer selected by begovics.
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a b Ĉ ASUS
a c 328 V Motherboard
February 25, 2012 12:15:36 AM

This topic has been closed by Nikorr
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