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Thread: When in boot selection menu, why 2 possible windows?

  1. #1
    Join Date
    Feb 2014
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    2

    When in boot selection menu, why 2 possible windows?

    Hey everybody, after installing ubuntu and having to use boot repair tool for it to apear on the boot menu, I found that there are 2 possible windows 7 options. dev/sda1 and dev/sda2 (if I remember correctly).

    Why is that? Any difference between any of them?

    Thanks!

  2. #2
    Join Date
    Dec 2005
    Location
    Western Australia
    Beans
    11,480
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: When in boot selection menu, why 2 possible windows?

    sda1 and sda2 are two different partitions. Unless you have Windows installed twice, I would assume that sda1 contains Windows and the sda2 contains your "recovery" or "restore to factory defaults" partition.

  3. #3
    Join Date
    Jun 2009
    Location
    SW Forida
    Beans
    Hidden!
    Distro
    Ubuntu 16.04 Xenial Xerus

    Re: When in boot selection menu, why 2 possible windows?

    If you have run Boot-Repair, it often copies boot files from sda1 to sda2 as a backup. But then grub sees both as bootable and adds entries for both. You can boot from either.

    Windows normal install has a separate 100MB boot partition that you do not see in Windows. So many users just delete that not knowing it is vital, that Boot-Repair just decided to copy files.

    The main reason for a separate boot partition was so you could encrypt main install as boot files cannot be encrypted with Windows. The boot partition also has Windows repair tools (f8) that may work to fix Windows, but still better to make a Windows repair CD or flash drive just in case.
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

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