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Thread: How to change the boot drive after installing Xubuntu?

  1. #1
    Join Date
    May 2013
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    2

    Question How to change the boot drive after installing Xubuntu?

    Hello forums,

    I recently attempted to install xubuntu viz usb to my computer as a dual boot to windows 7. Everything was going smoothly, I had a C:/ partition, but I accidentally selected my windows 7 boot drive as my ubuntu boot drive. Both boot files are there and visible, but windows 7 is unable to boot. I was wondeing if there was a way to change the boot drive?
    Last edited by gigacoasterfan; May 23rd, 2013 at 06:16 PM.

  2. #2
    Join Date
    Dec 2011
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    Hidden!

    Re: How to change the boot drive after installing Xubuntu?

    hmm.
    you waited 13h for a reply, so i guess it doesn't harm if i take the initiative, although i know little about your particular problem.
    but, since you said "...accidentally selected my windows 7 boot drive as my ubuntu boot drive...", i hate to be pessimistic, but to me it sounds like you accidentally deleted files crucial for windows to start.
    if you think that is not the case, you will have to give us more precise information about what you see in the current boot process and what you accidentally did earlier.

  3. #3
    Join Date
    Feb 2008
    Location
    Funky Town, AUS
    Beans
    Hidden!
    Distro
    Xubuntu

    Re: How to change the boot drive after installing Xubuntu?

    Boot into Ubuntu and open Gparted. Is there a Windows partition there (it will be NTFS)? If there is, do this:

    https://help.ubuntu.com/community/Boot-Repair

    The problem you explain isn't really a problem because Grub should be in sda and will pick up the Win bootloader so something else has gone awry by the sounds. Win bootloader may have been damaged in the process. Boot Repair will tell you more. Install and run.

  4. #4
    Join Date
    May 2013
    Beans
    2

    Re: How to change the boot drive after installing Xubuntu?

    Well, I ran boot repair, as it seems as though windows boot files were still there, but I am still getting errors.

    Here
    is my pastebin of boot repair.

    EDIT: More info:

    Windows boot loader is now functional. I can see linux, two tests, and two very strange options.

    One is Windows Boot UEFI loader

    Another is Windows UEFI bkpbootmgwf.efi

    Both when clicked yield the same error after roughly 3 seconds-

    error no such device: 7A85-54BF
    Last edited by gigacoasterfan; May 24th, 2013 at 08:19 PM.

  5. #5
    Join Date
    Feb 2008
    Location
    Funky Town, AUS
    Beans
    Hidden!
    Distro
    Xubuntu

    Re: How to change the boot drive after installing Xubuntu?

    Ah, the old UEFI nightmare! Now we are heading down a different path. I suggest you start doing some research on that. oldfred is our resident expert on all things install and boot but he's on holiday. Do a search for some of his threads regarding UEFI installs. They are a strange beast. Good luck.

    (I think you can change UEFI boot to something else (GPT?) in the BIOS but I'm no expert on this, have a bit more of a dig, as suggested.) One thing I do know is both OSs need to be installed the same way, both UEFI or GPT or something ... sorry, not V helpful. ;(

    * This might give you a start:

    http://www.dogpile.com/info.dogpl.t8...dfred+uefi&ql=
    Last edited by Bucky Ball; May 25th, 2013 at 02:32 AM.

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