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HDDs not recognized in BIOS, but SSD is.

I recently built my first computer, but I have a problem. I have a pair of Seagate Barracuda HDDs, and a Samsung 840 EVO SSD. I've installed Windows 7 onto the SSD, and everything seems to be working fine - except for the fact that neither of my HDDs are being recognized in the BIOS or Windows. I've tried different SATA cables and power cables, and still nothing. Is it possible that both HDDs are DOA?
I hope I've provided enough information here.
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More about hdds recognized bios ssd
  1. Are they listed in Disk management? If yes, initialize them.
  2. alexoiu said:
    Are they listed in Disk management? If yes, initialize them.


    No, unfortunately they are not. I only see my SSD.
  3. Weird. Are the HDDs new or used?
  4. alexoiu said:
    Weird. Are the HDDs new or used?


    They're both new.
    Honestly, I think they're DOA. They're not even spinning up when I plug them in.
    What are the odds?
  5. Use the cables that are connected to the SSD (SATA and power) with one of the HDDs, boot from an Windows DVD and see if the HDD is recognized. If not, then yes, they might be defective.
  6. alexoiu said:
    Use the cables that are connected to the SSD (SATA and power) with one of the HDDs, boot from an Windows DVD and see if the HDD is recognized. If not, then yes, they might be defective.


    I tried that, and nothing. So I went out and bought a new HDD, and this one doesn't work either. I'm very confused.
  7. If booting from the Windows DVD, is the HDD listed there?
  8. alexoiu said:
    If booting from the Windows DVD, is the HDD listed there?


    No. I just see the SSD, the System Reserved partition, and the DVD itself.
  9. Best answer
    No idea what could be wrong. I suggest testing the PC and the HDDs at a local shop.
  10. alexoiu said:
    No idea what could be wrong. I suggest testing the PC and the HDDs at a local shop.


    That was what I was thinking. Thanks for all your help man.
  11. Is it possible that SSD and mobo are setup for AHCI and the HDDs are trying to function as IDE. You could test by removing SSD>change bios to IDE> Use windows boot disk with HDD installed to see if you get recognition.
  12. alexoiu said:
    No idea what could be wrong. I suggest testing the PC and the HDDs at a local shop.


    This worked, actually. Believe it or not, all three of the HDDs were dead. 2 from Seagate, and one from WD. I have a new WD Black in my rig now and she works like a charm. Thanks for helping me troubleshoot this.
  13. You're welcome. 3 dead HDDs, that's indeed unusual.
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