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No power hp pavillion a656x plugged in power cord and it sparked, now when I plug in power cable it does nothing.


Answers :

Oh oh...
\015\012I think you know whats the likely problem here.
\015\012Best bet, go buy a new ATX power supply and replace your existing one (this means opening your pc)
\015\012hopefully it's just a blown fuse in the power supply.
\015\012
\015\012if your realy keen and handy with a soldering iron open the case unmount the ATX open it up and the fuse is just behind the transformer, PLEASE EARTH YOUR CONNECTIONS BEFORE DESOLDERING IT those transformers pack a punch even disconnected and i dont want you killing youself.
\015\012Once you have it out any good electronics or hobby shop should carry the same voltage fuse.
\015\012REPLACE IT WITH A FUSE ONLY DONT CROSS THE WIRES WITH ANYTHING ELSE DOING THIS IS DANGEROUS AND WILL CAUSE A FIRE (blew up a tv that way once but thats another story)
\015\012
\015\012Oh speaking of voltage if you are in a country useing 110V make sure your power supply is set to 110V however if your in Australia like i am make sure its set to 240V Some power supplys have a switch to achieve this if you cant find it just asume it's right. you showld NEVER have to adjust this. The wrong voltage will do prity much what you described.
\015\012
\015\012if however your not tech savvy take it to a repair shop.
\015\012
\015\012I hope i have helped if so please rate me.
You have to change your smps .
\015\012It is aquare box on back top side of CPU.
\015\012Change it then check .
\015\012If still faced problem then check on omtherbord chip there is not any blown thing.
\015\012Also refix RAM .
\015\012Pull cmos cell for 10 minutes then check.
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