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"Missing operating system" massage because of "mark disk partition as active"

Răspuns "Missing operating system" massage because of "mark disk partition as active"

  • Saturday, February 18, 2012 1:33 PM
     
     
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    Hai,,

    "Missing operating system" massage  is coming when i start my system. I think
    because , i had given "mark partition as active" option for one hard
    dive (E) in disk management when last time i opened. it did not have any data.
    i did not know, this will make any problem. Now i am not  able to boot windows re installation dvd
    also. i can only take BIOS settings.

    How i can activate my original partion?

    or how i can mark as incative my other partion?

    please any one suggest any way for
    rectifying this problem  ASAP.


     

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  • Saturday, February 18, 2012 1:53 PM
     
     
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    If you cannot boot into Windows, you will have to find a disk utility on the internet, like Partition Magic, that can be put on a bootable disk so you can access the partition information.

    Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. ”

     
  • Saturday, February 18, 2012 2:52 PM
     
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    ------------------------ Partition Management Utilities -----------------------------

    Partition Wizard Home Edition:
    http://www.partitionwizard.com/free-partition-manager.html
    Note: There is also a bootable CD or bootable Flash drive versions:
    CD: http://www.partitionwizard.com/partition-wizard-bootable-cd.html
    Flash Drive: http://www.partitionwizard.com/bootable-flash-drive.html
    Some of the features and Functions include: Create partition, Delete partition, Format partition,
    Resizing a partition, Move partitions, Restore Partition after accidental deletion,
    Convert partition, Explore partition, Hide partition,
    Change drive letter, *** Set or Change active partition ***, partition explorer (View contents).
    Note: To complete any task use the 'Pending Operations' box located in the lower left.


    Alternative to Partition Wizard (Somewhat easier to use but both Partition Wizard and EAESUS have nearly identical user interfaces)
    EASEUS Partition Master Home Edition (Free):
    http://www.partition-tool.com/
    ALL-IN-ONE partition software and the most convenient hard disk partition manager toolkit
    Includes Partition Manager, Disk & Partition Copy Wizard and Partition Recovery Wizard on MBR and GUID partition table (GPT) disk under Windows 2000/XP/Vista/Windows 7 and Windows Server 2000/2003/2008 (32 bit and 64 bit).
    It allows users to Resize/Move Partition, Extend System Drive, Copy Disk & Partition, Merge Partition, Split Partition, Redistribute Free Space, Convert Dynamic Disk, Partition Recovery and much more.



    J W Stuart: http://www.pagestart.com

    Never be afraid to ask. This forum has some of the best people in the world available to help.


     
  • Saturday, February 18, 2012 3:58 PM
     
     
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    From the command prompt

    diskpart
    list disk
    select disk 1
    list partition
    select partition 1
    active

    Exit  (diskpart)

    Disk 1 and Partition 1 are assumed values in your case they might be different like disk 2 partition 1.
    Reboot and try it if it works if it doesn't you may need to update booth path

    cd windows\system32
    bcdboot d:\windows /s c:

    http://windows.microsoft.com/en-CA/windows-vista/Mark-a-partition-as-active
    http://support.microsoft.com/kb/300415



    • Edited by Brano Lukic Saturday, February 18, 2012 3:59 PM
    •