Using usb external hard drives with Win 7

I need a little help regarding external usb hard drives.

I recently moved to Win 7 from Win XP. While using XP I did not have a problem having my external hard drives being recognised, with Win 7 that is not the case.

I have two 120 GB sata hdd’s, each one fitted to an usb case, neither is recognised. The drives are Seagate and were removed from a now dead laptop. If I disconnect one of my internal sata hdd’s they are recognised, but as I need all my sata connections this is not an ideal situation.

Is there anyone that can put me right on this issue? It would be much appreciated.
2 answers Last reply
More about using external hard drives
  1. Boot up with them unplugged. Plug them in after boot and see if they are still unrecognized.

    Are they seen in the Device Manager or Disk Management?
  2. I have checked in both the Device Manager & Disk luck. Also tried your first option without success.

    All other USB devices are recognised, so I really stuck at the moment.

    I was thinking of getting a PCI sata card to get over the problem, but I would rather use the USB ports if possible.

    I can not understand why they are recognised by sata and not usb.

    If you have any other ideas great, otherwise thanks for your help.
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