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My seagate 1tb external hard drive is showing up in device manager, but not under disk management or my computer

My external hard drive is showing in device manager, is also makes the beep noise and lights up when attached; it used to have a pop up window when i plugged it in asking whether I wanted to view the files, that no longer happens, it also isn't displayed under my computer or device management, I'm on windows 8 but the problem started on my windows 7, it does the same thing on other computers
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More about seagate 1tb external hard drive showing device manager disk management computer
  1. go to computer management and under storage tab click disk management may u will find it there if find it u have to format it to see in my computer or start using it
  2. Is it a new hard drive? If so, you must initialize it and create partition before making it usable.
  3. moeid97 said:
    go to computer management and under storage tab click disk management may u will find it there if find it u have to format it to see in my computer or start using it



    It's not showing under disk management or my computer :(
  4. same for me It's not showing under disk management or device manager
  5. Does formatting the disk erase all data? My external hard disk is shown up in disk mgmt & device manager both but undetected in my computer. Please help me on this. Please!!!!!
  6. moeid97 said:
    go to computer management and under storage tab click disk management may u will find it there if find it u have to format it to see in my computer or start using it


    Thanks . It worked.
  7. Bermudez said:
    Is it a new hard drive? If so, you must initialize it and create partition before making it usable.


    What if it doesn't allow me to format or partition it?
  8. gingermoll said:
    My external hard drive is showing in device manager, is also makes the beep noise and lights up when attached; it used to have a pop up window when i plugged it in asking whether I wanted to view the files, that no longer happens, it also isn't displayed under my computer or device management, I'm on windows 8 but the problem started on my windows 7, it does the same thing on other computers


    I encountered the same problem. Checked devices - drive now showed up as BKUP drive. Tried everything - checked settings for File Recovery if used, Recovery, and then I remembered that I had Windows Restore set up. Picked an earlier recovery point - drive was back as a USB external hard drive. Formatting the drive would have erased everything; couldn't mount the drive per say - this is some nuance in Windows 8.1 that I can't quite explain.
  9. moeid97 said:
    go to computer management and under storage tab click disk management may u will find it there if find it u have to format it to see in my computer or start using it


    This one works buddy. Thanks a lot. :bounce:
  10. moeid97 said:
    go to computer management and under storage tab click disk management may u will find it there if find it u have to format it to see in my computer or start using it


    Am also facing same issue. I ve some 500gb data in that drive. Its listed under my computer with an drive icon but when i opens it its empty. Under disk management i couldnt see this external drive at all. but listed on device manager.

    Please help
  11. [My 1 TB Seagate external hard disk is not detecting. Its showing up under Device Manager but not under Disk Management and the light is on. Please help me to solve this issue.
  12. moeid97 said:
    go to computer management and under storage tab click disk management may u will find it there if find it u have to format it to see in my computer or start using it
  13. The problem is as Anand M S said, "It is NOT showing in DISK MANAGEMENT, so how can you make the HDD recognised by the PC? I to fitted an internal 500GB brand new 2nd HDD to my HP Pavilion t770.uk. This HDD shows up in DEVICE MANAGER, but not in DISK MANAGEMENT, or the BIOS. I cannot therefore initialise it, and allocate it a drive letter. Any idea's anyone?
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