Restore MBR

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  1. Posts : 5
    Windows 7
       #1

    Restore MBR


    Basically I installed another operating alongside Windows 7 and now I can't boot into either. I've looked for solutions to this problem, but they all require the installation dvd. But my laptop came pre installed with windows 7 and all i have are recovery disks, can someone please help me?
    Thanx
      My Computer

  2.    #2

    What OS did you install? Seems the install failed so you might want to run it again to at least get it running.

    To start Win7, you need to burn a Repair CD, boot it to mark Win7 partition active then run Startup Repair up to 3 separate times with reboots to repair the MBR: Partition - Mark as Active
    Startup Repair

    Then you can install EasyBCD 2.0 to add the second OS back to a Dual Boot Menu.

    Be on the lookout for a Win7 installer to borrow and copy so you can clean reinstall with Product Key stickered to box after wiping your HD.
    Last edited by gregrocker; 19 Jul 2010 at 21:48.
      My Computer


  3. Posts : 1,379
    Win7 Pro 32-bit, Win8 Pro 32-bit
       #3

    princetrey21 said:
    Basically I installed another operating alongside Windows 7 and now I can't boot into either. I've looked for solutions to this problem, but they all require the installation dvd. But my laptop came pre installed with windows 7 and all i have are recovery disks, can someone please help me?
    Thanx
    My guess is that the "other operating system" is Ubuntu, and despite LOTS of posts on their forums advising people NOT to allow the Ubuntu installer to shrink Win7 partitions, you went ahead and did it anyway. Right?

    Before you started messing around with your disk partitions, you should have used the built-in Win7 Disk Management utility to create and burn a Win7 Repair CD. Had you done that, you would now have a CD you could use to repair the Win7 boot loader.

    Since you didn't do that, check out the NeoSmart Technology forums, when you can obtain Win7 Repair CD images, at the link below:

    Download Windows 7 System Recovery Discs — The NeoSmart Files

    Good Luck
      My Computer


  4. Posts : 5
    Windows 7
    Thread Starter
       #4

    The OS is Snow Leopard. But I just used the repair discs to fix it.
      My Computer


  5. Posts : 2,963
    Windows 7 Professional SP1 64-bit
       #5

    So you can boot unto both now? or did I misread that?
      My Computer


  6. Posts : 5
    Windows 7
    Thread Starter
       #6

    Petey7 said:
    So you can boot unto both now? or did I misread that?
    I can boot 7 but when trying to boot Leopard it says "Chain booting error" looking for a solution now.
      My Computer


  7. Posts : 8,476
    Windows® 8 Pro (64-bit)
       #7

    Go to the recovery environment and open command prompt. Type the following commands:

    Code:
    bootrec /rebuildbcd
    bootrec /fixboot
    bootrec /FixMbr
      My Computer


  8. Posts : 5
    Windows 7
    Thread Starter
       #8

    The bootloader works now.
      My Computer


  9. Posts : 4,280
    Windows 7 ultimate 64 bit / XP Home sp3
       #9

    So your all set? Can this thread be marked as resolved? Thanks. Fabe
      My Computer


  10. Posts : 5
    Windows 7
    Thread Starter
       #10

    Yea i workd it out
      My Computer


 
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