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Weird problem with high-end pc !

  • Power Supplies
  • Components
Last response: in Components
June 29, 2011 7:59:00 AM

A year ago I managed to put these together :
Mobo : Asus Rampage II extreeme
CPU : I7 950 Blumfield @ ~3.6 ghz
GPU : ATI 5970 2 gb ddr5
Ram : 6 x 2 Patriot 1333 (triple channel)
PSU : 1200 w chieftec.
Storage: 4 X 1 tb.
CASE : Thermaltake VI with Xpressar cooling (freon cooling)

Problem is very weird. After a proper shutdown, computer wont react to power on button; doesn't get any of the voltages (chipset would light-up). I wait a couple of days without power cord in it and when I plug it in it works normally for a week or so, then I find it switched off...
It sounds like PSU problem, but PSU works without problems outside.
There are no PCI devices in the buses;

If PSU is the problem, what sort of minimal PSU wattage would you try (and install) in this beast ?

More about : weird problem high end

a c 722 ) Power supply
June 29, 2011 2:54:54 PM

It is either PSU or motherboard problem, intermittent problems like that is hard to find. The power cord though points at the PSU, a quality 750-850watt PSU should be able to handle that rig.
a b ) Power supply
June 29, 2011 8:33:20 PM

whats it do if you use the start button on the motherbd instead of thepower button on the case? (Seeing if its a case power button issue)
June 30, 2011 6:52:44 AM

I did try that, nothing happened. I tried shorting power sw pins. Nothing.. I'm expecting new psu when paycheck comes :) .