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Just Put in a EVGA g5 850w supernova gold psu, Once Plugged all cables back e drive not functional

Kizime

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So I Put in an EVGA g5 850 SuperNova Gold Power Supply into my computer. I recorded where every cable went in my old power supply and plugged them into my new one. once I turned on my computer it made a snap noise but still ran. I logged in my computer and the e Drive was not functional. I also have a DvD card slot and that also did not work. I tried mixing the wires with the same pins to different pins but with no luck. The e Drive isn't fried because I checked it with another computer. I didn't switch the wires with the ones I got with the psu. would that make a difference?
 
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What was your old psu? It's generally not a good idea to use the old psu's wires on a different model psu (unless the pinout is the same, then it's probably fine).
 

Kizime

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What was your old psu? It's generally not a good idea to use the old psu's wires on a different model psu (unless the pinout is the same, then it's probably fine).
It is a Corsair CX 600m the pinout was the same though.
 
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The Evga and Corsair pinout's are not the same even though the connector fits.
Since the drive still works, something in the psu must've gone first.
 

Kizime

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The Evga and Corsair pinout's are not the same even though the connector fits.
Since the drive still works, something in the psu must've gone first.
Would that cause some things to fry?
 

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Would that cause some things to fry?
Yes - because you basically mixed up all the connections/terminals. Hopefully there is no serious damage to the main components.

Worst case scenario is your PC is absolutely toast. Motherboards have overvoltage protection. but even then there could still be damage
 

Toothless

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I bought a PSU off a friend and he gave me the wrong cables to it. Lost two drives. Just because it fits doesn't mean it sits well.
 

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Luckily the EVGA power supply is a good unit with protections build in. Because looking at the different pinouts, you basically sent 5v to the 3.3 connector, 3v to the 12v connector, and 12v to the ground pins of the drive. The EVGA unit's protection probably detected the 12v short to ground and killed power(likely through a non-resetable fuse) before any damage was done to the drive. Unfortunately you probably killed the PSU though.
 
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i use Corsair and I have a box of cables available so I am not worried about any device I want to use
 
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