External HD not being recognized, not even in Disk Management

By MCosta101
Nov 13, 2011
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  1. So i have been browsing for a few hours now trying to get this issue fixed but I have had no luck!

    I have a Seagate 320gb external hardrive. I have had it for a few months now and has worked great every single time I used it. Now suddenly it is no longer recognized. (Windows 7)

    I have tried doing a few things which i found throughout other topics but ran into a few problems.

    The HD is not shown in My Computer nor does it show in Disk Management.
    So I try it on a Vista machine and same results. It is not recognized anywhere not even in Device Manager.

    I can hear the HD spin and the green light does turn on however it used to flash consistently and now just flashes once and then remains lit.

    If anyone can give me some insight it would be much appreciated.
  2. Tmagic650

    Tmagic650 TS Ambassador Posts: 20,682   +153

    The external drive is bad...
  3. techsuitor

    techsuitor Newcomer, in training Posts: 145

    Please try it in Win XP. If the result is still the same, the external drive is faulty.
  4. Night Fire

    Night Fire TechSpot Member Posts: 35

    try another usb port another OS "xp linux mac" if u can also might be the cable if u hear a loud sound from it then the HDD's media is screwed and u should get urself a new one


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