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BOOTMGR is missing I changed the active partition to one without an OS RRS feed

  • Question

  • I was trying to get my second hard drive working by setting the active partition using diskmgmt.msc , then malware bytes decied that it was SOOO important , and restarted the computer. I got a system repair disk, and tried bootrec /fixboot (nothing) and bootrec /rebuildbcd

    --------------------------------------------------------------------
    Scanning all disks for Windows installations.

    Please wait, since this may take a while...

    Successfully scanned Windows installations.
    Total identified Windows installations: 1
    [1] D:\Windows
    Add installation to boot list? Yes<Y>/No<N>/All<A>:Y

    (something like)-> could not find what was requested
    --------------------------------------------------------------------

    Lastly, it's windows 7, when I launch system repair on system repair disk, it can't find the OS

    Help please.
    • Edited by Retupmoc111 Saturday, June 17, 2017 10:30 PM
    Saturday, June 17, 2017 11:36 AM

All replies

  • Hi,

    There are several methods we can try to fix the problem.

    Method 1: Run Startup Repair from Windows Recovery Environment (WinRE)

    Method 2: Rebuild the boot configuration data (BCD) from Windows Recovery Environment (WinRE)

    Method 3: Run System Restore from Windows Recovery Environment (WinRE)

    Method 4: Use Startup Repair on a computer that has a preinstalled recovery option on your computer

    For more information, please refer to the link:

    https://support.microsoft.com/en-us/help/2622803/bootmgr-is-missing-press-ctrl-alt-del-to-restart-error-when-you-start-windows

    Best Regards,

    Tao


    Please remember to mark the replies as answers if they help. If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.

    • Proposed as answer by Tony_Tao Tuesday, June 27, 2017 8:47 AM
    Monday, June 19, 2017 3:42 AM