HDD's not working after installing new PSU and GPU

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Cody_4

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Oct 23, 2015
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My hard drives are all of a sudden not listed on my computer after I recently installed a new PSU and GPU, and only my SSD that has windows on it is the one that works. I've been trying a lot of different things as to see if I can get my drives working again, but everything is still the same each time I try it, and even the BIOS isnt saying there are either of the drives. Is this a problem with the drives themselves since I just put in a new PSU or what? I'm using windows 8 and its 2 1TB hard drives and 1 128G SSD. The only difference between the drives is that there is a red cable connecting the SSD to the motherboard while the 2 HDD's have a black cable, and i'm not sure what difference that could mean.

I have a ASUS z77 motherboard
850W thermaltake toughpower PSU gold edition
GEFORcE GTX 970

again, everything was working great until I installed my new PSU and GPU
 
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BadAsAl

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Oct 13, 2009
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Color of cables should not matter.
I would disconnect all drives, then only attach 1 at a time, boot into BIOS and see if it sees it.
Try with different combination of cables and which SATA ports you plug into.
The other thing is to test the PSU, there are videos on Youtube on how to that with a multimeter. Might be a bad one...

Will your previous PSU handle your system? Is it worth putting that back in and testing to see if works?
 
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Cody_4

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Oct 23, 2015
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I've tried disconnecting my drives and doing that, as well as doing it with the previous PSU I had, but the same issue was happening. Seems like something changed when I switched PSU's and now my drives just cant seem to be showing up. It only came with 3 SATA cables and i've tried them all along with the ports on the PSU. Could it be possible the drives got ruined when I switched the PSU's? or is it most likely just something simple I hope. Since my SSD is working just fine, I cant imagine it has to do with the PSU, as well as the fact that its powering everything else.
 
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BadAsAl

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Only thing I can think of at the moment is... go through your BIOS settings and make sure all your SATA ports are enabled... I have seen where just adding a GPU has caused a BIOS to reset to default and I had to enable other SATA ports.
I do not think the drives are ruined by the PSU... that would be a first for me... especially 2 of them...

I luckily have several PC's to attach drives to so if you have a way to do this it would confirm that the drives are okay.
 
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