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Bad psu or Bad Motherboard? after failure ?


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#1 tech392

tech392

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Posted 26 January 2014 - 07:25 AM

Ok so i have an hp desktop that the power wont come on because a baby kept turning off the power pressing the butten :nono: . so i looked at the light on the psu and its a solid green, but i am not sure if that says the psu is NOt the issue. i have tried doing the blow drying thing in the psu fan and the power came on but i heard no motherboard beeps. you can just here the fans spinning, and the pc loading light stayed orange it did not load when the psu came on. i have tried taking the cmos battery out and i have tried the motherboard jumper thing and the computer still did not load. i took the ram out, but i have not tried psu test standalone and the psu does not have an on off switch! but should i order a new motherboard or psu... thanks.



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#2 mjd420nova

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Posted 26 January 2014 - 09:44 AM

It could be either.  A repeated action of the switch might cause a PS failure, as it appears.  These units have a dead front panel, that is, only low voltage, the AC is controled by a simple switch connected to the MOBO.  Try pulling the power cord for a couple seconds, this will reset all devices in the PS.  If it starts then, put a cover over that switch.  Repeated on/off cycles will cause all manner of faults.






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