power switch or smps trouble ? - Techist - Tech Forum

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Old 01-30-2006, 11:20 PM   #1 (permalink)
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Unhappy power switch or smps trouble ?

my comp seems to be working fine most of the time ... but some times out of the blues it refuses to start (power on) ...i have no idea why it does that .. and if i jus leave it like that way and try the power button after a couple of hours it starts ... please could anyone tell me what might be the problem ???

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Old 01-31-2006, 07:41 AM   #2 (permalink)
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List your system components in your profile, otherwise we are working in the dark! List your 'exact power supply model'.
You may just have a cheap P/S with insufficient "current capabilities".
see link below.......


Sig reinstated.
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Old 01-31-2006, 07:03 PM   #3 (permalink)
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You can bypass the mobo power switch with use of a paper clip but it is a little nervey!!!!! You go to pin 14 on the 20 pin rail and insert the paper clip from pin 14 (green) to an adjacent balck ground while the power is off and unpluged from the wall. Plug the psuback in and turn the switch on form the psu and it will boot. Also, I have removed the swtiches from an old case and used those for circumstances just like yours. If you have an old case around just strip out the front side connectors like the HDled, reset and power SW. All you need to do is pull the power switch from the current case and insert the test switch. If it boots regularly it's the switch and you need a new case. If it is not the switch...I'm giong with a new power supply.
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