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Thread: cant boot ubuntu or windows

  1. #1
    Join Date
    Aug 2012
    Beans
    18

    cant boot ubuntu or windows

    I partitioned my hard drive and installed ubuntu on a separate one from windows 7. I did this from a live usb created using lili. Now when I boot, it goes straight to trying windows, and it gives me windows cant boot, status 0xc0000225, needed device inaccessible. This is the third time I have reinstalled windows and linux, and this happens everytime. Is this fixable, or am I screwing up somewhere?

  2. #2
    Join Date
    Jul 2010
    Location
    ozarks, Arkansas, USA
    Beans
    8,174
    Distro
    Xubuntu 14.04 Trusty Tahr

    Re: cant boot ubuntu or windows

    hscriber;

    A high degree of certainty. UEFI or large disks may pose difficulties to be overcome.

    see these links and advise:
    http://ubuntuforums.org/showthread.p...l booting UEFI.

    http://ubuntuforums.org/showthread.p... & UEFI advise

    http://ubuntuforums.org/showthread.p...7#post12254717
    hth <==BDQ

  3. #3
    Join Date
    Aug 2012
    Beans
    18

    Re: cant boot ubuntu or windows

    Ok, so I sorted this out be reformatting and reinstalling both systems. Turns out I had Ubuntu installed in an extended partition of windows recovery. Stupid mistake. Now I have a new problem. I have ubuntu installed on a seperate partition, but don't know how to get to it. I have no startup screen asking which OS to boot. I've read a few posts about editing the MBR or installing Grub 2, but none of them tell you how, just to do it. I'm not great at taking general "oh, just install Grub 2 then....." and actually knowing how to do it. I need somewhere with a step by step walk through on how to boot ubuntu once it's installed. Thanks a lot.

  4. #4
    Join Date
    Oct 2006
    Beans
    Hidden!

    Re: cant boot ubuntu or windows

    If your MBR or GRUB or BIOS has problem, there is a wonderful utility called PLOP boot mamager that will let you boot anything anytime. It searches for bootable systems and gives you a choice menu. Worked wonders for me. Google search, download and burn to disk or USB memory.

  5. #5
    Join Date
    Jul 2010
    Location
    ozarks, Arkansas, USA
    Beans
    8,174
    Distro
    Xubuntu 14.04 Trusty Tahr

    Re: cant boot ubuntu or windows

    You do good work !... In regards to a step by step process on grub ..the issues are many so a "general" howto not feasible. However, specific troubleshooting tutorials are numerous (ubuntu documentation is wonderful, if overwhelming).

    These should be enough to resolve your problem, or at least point ya to asking the direct questions ya need to know.
    These are step-by-step tutorials. & additional links for more.
    https://help.ubuntu.com/community/WindowsDualBoot

    http://howtoubuntu.org/how-to-repair...buntu-live-cd/

    https://help.ubuntu.com/community/Re...e_terminal_way

    and my nbr 1 thinking/starting point:
    http://ubuntuforums.org/showthread.php?t=1195275
    hth <==BDQ

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