Question about HEWLETT-PACKARD Hp Fm049ut Workstation - 1 X Xeon E5620 2.40 Ghz - Convertible Mini-tower - Fm049utaba (735029270508) PC Desktop
Tighting caused power to blink and now my hp mini tower will not start, it was on a surge protector
Posted by Anonymous on
Your power supply is probably bad. Try plugging in directly to the wall and try it. If you have a meter, you can open it up and turn it on. Check the voltage on one of the unused plugs coming out of the power supply, the box in the back with the a/c receptacle on it. Find a plug with a yellow, 2 black and a red wire. Yellow/Black should be 12v, Red/Black should be 5v. Normally people lose the 12v (get only 8v) so the motherboard comes on but not the HDD.
If your prw supply tests OK remove any cards you have and try turing it on with no cards. If it powers on, add the cards back one at a time until it won't power on and that card is bad. Normally this would be a modem card that connects to a phone line.
If the pwr supply test bad, take some pictures of the inside with your phone and remove the power supply (4 screws on the back) and disconnect all the cables that go to it. Check the label for watt ratings and a part number or take the whole P/S to a computer store where they will be $45. Make sure the one you buy has the same type connectors, same or more watts and screw holes in the same place (ask for help). Or you maybe able to order online using the HP part number ($80) or from eBay. Replace the power supply, plug everything back in and turn on. Really pretty easy.
Posted on Jul 21, 2016
Have you tried to power the machine without the surge protector? This will enable you isolate the issue. If your motherboard is off when you turn on the power, then it sounds like your power unit got fried. Just replace the power unit and you should be ok.
Posted on Jul 17, 2016
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Posted on Jan 02, 2017
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