How can I activate an unallocated volume on an external hard drive after shrinking one of the partitions?

Paul Lam June 14, 2011
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After shrinking one of the partitions and gaining back an unallocated volume on an external hard drive, I can’t re-activate the unallocated volume. What can I do? I use Windows 7 computer management to shrink it.

  1. Paul
    April 21, 2012 at 7:31 am

    hi everyone there,

    still no luck. it said " the operation is not supported by the object".

  2. Tina
    June 18, 2011 at 10:23 pm

    Paul,I ran into exactly the same problem a few weeks ago and wrote this article:How To Shrink & Extend Volumes Or Partitions in Windows 7

  3. Tim B.
    June 18, 2011 at 10:22 pm

    You can download “EASEUS Partition Master Home Edition” for free. Tina’s answer works with Windows 7 only. This software works with all versions of Windows.For Windows and non-Windows computers, try downloading and burning “GParted Live CD” which is a bootable live CD that can be used on any OS to manage partitions.Obviously messing with hard drive partitions is extremely dangerous and can result in data loss if something goes wrong, so backup, backup, backup.

    • Tina
      June 18, 2011 at 10:22 pm

      Tim,I also recommend EASEUS Partition Master Home Edition in the article.
      Besides, he asked about Windows 7. Backups recommended for sure!

      • Tim B.
        June 18, 2011 at 10:23 pm

        Yeah.. I didn’t actually read your article, since I know how to do it… My bad.. I wasn’t slamming you though. I was just expanding upon your answer.

  4. Sonny Bass
    June 16, 2011 at 10:24 am

    Windows will only allow 4 primary partitions per physical drive. If you have a computer with windows 7 preinstalled  you are probably already using 3. 1)system reserved 2) system 3) recovery. If you have added any previously you would have to delete one to add another

  5. Bruce Epper
    June 16, 2011 at 7:25 am

    Right-click on the unallocated space and create a new volume, then format the new volume.

    • Guest
      April 21, 2012 at 3:01 am

      thanks Bruce you saved the day :)

  6. Tina Sieber
    June 14, 2011 at 2:27 pm

    Tim,

    I also recommend EASEUS Partition Master Home Edition in the article.
    Besides, he asked about Windows 7. :)

    Backups recommended for sure!

    • Tim B.
      June 14, 2011 at 2:29 pm

      Yeah.. I didn't actually read your article, since I know how to do it... My bad.. I wasn't slamming you though. I was just expanding upon your answer.

  7. Tim B.
    June 14, 2011 at 1:59 pm

    You can download "EASEUS Partition Master Home Edition" for free. Tina's answer works with Windows 7 only. This software works with all versions of Windows.

    For Windows and non-Windows computers, try downloading and burning "GParted Live CD" which is a bootable live CD that can be used on any OS to manage partitions.

    Obviously messing with hard drive partitions is extremely dangerous and can result in data loss if something goes wrong, so backup, backup, backup.

  8. Tina Sieber
    June 14, 2011 at 9:07 am

    Paul,

    I ran into exactly the same problem a few weeks ago and wrote this article:
    How To Shrink & Extend Volumes Or Partitions in Windows 7

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