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New PSU results in smoking HD!

Last response: in Components
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January 13, 2012 9:11:18 PM

The power supply on one of my computers was in its death throes so I bought a Seasonic M12II 620W to replace it (the old PSU was 620W as well). After plugging everything in and starting it up, the hard drive connector starting smoking! I flipped the power switch within a couple of seconds but it smells quite heavily of burned rubber.

It's a SATA power cable, the color of the rails from the L-shaped edge out are orange, black, red, black and yellow. The power supply side is a 5-pin connector (5 pins in a row).

I haven't dared try it with a new cable in a new port yet, what are the other possible causes of this? Also, how likely is it I've fried the HD?

Thanks.

More about : psu results smoking

January 13, 2012 9:27:15 PM

Electricity doesn't cause enough heat to burn things unless you have a very low amount of resistance, which is usually a short. It sounds like someone got some wires crossed and the voltage is going straight to ground. I would guess your power supply is bad, unless you happen to have metal shavings in your hard drive port. Your hard drive might be fine, but I wouldn't hook it up with that same power supply.
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a b ) Power supply
January 13, 2012 9:45:52 PM

Id try to contact the seller or Seasonic and get them to replace your hd.

They will be able to tell that the psu caused the hd to burn up.
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January 13, 2012 10:20:34 PM

Thanks for the info, is there any way to test if the power supply is faulty without destroying any more equipment before I contact Seasonic and the seller?
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January 13, 2012 10:30:08 PM

I'm not sure if this is important, but there was no obvious smoking, burning or other malfunctions in any of the other components the PSU was connected to.
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a b ) Power supply
January 13, 2012 11:38:12 PM

this is a modular so that connector from psu could be defective rma the psu and ask refund of hd as geekapproved recommandation
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January 14, 2012 1:14:05 AM

Okay using a different cable in a different port hasn't resulted in any malfunctions, and luckily my HD is okay! There are more than enough connectors on the PSU to suit my needs, so as long as it's safe to use I don't think I'll find a replacement. The question is, is it safe to use?
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a b ) Power supply
January 14, 2012 1:26:00 PM

since it still under warranty would not take any guest but shure i rma the psu
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