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I have a 550w Corsair from 2008 installed on a socket 1156 motherboard, for the last 2-3 weeks my PC randomly turns itself off and then refuses to post, I manage to get it working but it feels like luck.
Nothing appears on screen, no keyboard lights, only the fans of the components spin. I was jiggling the power cables (two motherboard connectors) and that seems to be the only thing that consistently allows it to start booting normally.
When there's power, everything works fine. Now I'm torn between it being a problem with the PSU cables or a problem with the power connectors on the motherboard.
I ran memtest, unplugged and replugged everything, tried booting without my video card, sound card, all hard drives, dvd drives etc, 1 stick of ram & different ram slots, replaced the CMOS battery....none of this made any difference, only messing about with the power cables seems to.
What do?
I have a year abroad in Japan next year so I don't want to build a computer now, buying a new PSU would be ok since I can easily reuse that when the time comes but at the moment I'm pretty stumped and not sure how I can test what the issue is as I have no spare power supplies...
Nothing appears on screen, no keyboard lights, only the fans of the components spin. I was jiggling the power cables (two motherboard connectors) and that seems to be the only thing that consistently allows it to start booting normally.
When there's power, everything works fine. Now I'm torn between it being a problem with the PSU cables or a problem with the power connectors on the motherboard.
I ran memtest, unplugged and replugged everything, tried booting without my video card, sound card, all hard drives, dvd drives etc, 1 stick of ram & different ram slots, replaced the CMOS battery....none of this made any difference, only messing about with the power cables seems to.
What do?
I have a year abroad in Japan next year so I don't want to build a computer now, buying a new PSU would be ok since I can easily reuse that when the time comes but at the moment I'm pretty stumped and not sure how I can test what the issue is as I have no spare power supplies...
