[SOLVED] hard drive stopped working after upgrading power supply

Mar 1, 2019
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hard drive stopped working after upgrading from a corsair cx550m to an EVGA 750 watt b3. SSD remains functional on same sata cord as the Hard drive. I have tried switching the motherboard sata ports and the same happens, ssd remains functional and hard drive is not. Hard drive is not visible in BIOS either. The hard drive is a western digital blue 1 terabyte.
 
Mar 1, 2019
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Your using the cords from the EVGA PSU right?
So this is where you call me an idiot right? Initially I did not, I kept the corsair sata power cable. I didn't think it would make any difference. Is that the cause of this problem? I eventually changed it over to the new evga cable and still nada.
 
Mar 1, 2019
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I'm assuming my power supply was not damaged. Would i be correct in assuming that? since all my other components work correctly minus the rgb on the fans. I did swap out the mother board and gpu cables but I didnt swap out the sata and peripheral cables. Still weird as my SSD is still working correctly, when it was plugged into the old corsair cables. Is there anything I can do to check to see if my power supply is damaged? Thank you for your quick replies, you're very helpful.
 
Those SATA power cables need little labels on them (at both ends!) that say "use only for Brand-A PSU"...

Many poor souls have fried 2-5 drives at one time in similar fashion....(smoke coming from the drive's PCB was a telling symptom!)
 

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