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Thread: Ubuntu won't boot when cloned onto identical machine.

  1. #21
    Join Date
    Apr 2011
    Beans
    16

    Re: Ubuntu won't boot when cloned onto identical machine.

    Changing the hostname in those two files did not help. Still not grub. Still no boot. Ubuntu 10.10 works though...

  2. #22
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
    Beans
    Hidden!
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Ubuntu won't boot when cloned onto identical machine.

    Is it a video issue? With only one system you do not get grub menu, so grub has loaded and starts booting, but then video mode or some other boot parameter is required.

    How to set NOMODESET and other kernel boot options in grub2
    http://ubuntuforums.org/showthread.php?t=1613132
    https://help.ubuntu.com/community/BootOptions
    http://www.mjmwired.net/kernel/Docum...parameters.txt
    noapic nolapic noapci noirqpoll nosmp irqpoll
    For info on UEFI boot install & repair:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  3. #23
    Join Date
    Apr 2011
    Beans
    16

    Re: Ubuntu won't boot when cloned onto identical machine.

    It is not a video issue. when I try to boot, instead of grub or any kind of splash there is a black screen with a flashing dash in the corner.

  4. #24
    Join Date
    Apr 2012
    Beans
    Hidden!

    Re: Ubuntu won't boot when cloned onto identical machine.

    Sounds like old fred is on the right track, if machine A boots fine with both a&b
    drives but neither in machine B, it is most likely a hardware issue causing the problem
    try going into bios in machine b...shut down the eth/wireless card and see if it boots.
    if not, swap out the video card from machine a to machine b and see if that works.
    it may also be some jumper setting difference between the two, look closely at
    everything between the 2 machines for any wire or possible jumper difference, as
    always, once solved, it will be something simple.
    good luck
    Last edited by Hadaka; August 13th, 2012 at 06:08 PM. Reason: sp
    Craving anchovy, herring and squid pizza.....with clam sauce

  5. #25
    Join Date
    Sep 2007
    Location
    Oklahoma, USA
    Beans
    2,214
    Distro
    Xubuntu 14.04 Trusty Tahr

    Re: Ubuntu won't boot when cloned onto identical machine.

    Quote Originally Posted by acpuck1 View Post
    It is not a video issue. when I try to boot, instead of grub or any kind of splash there is a black screen with a flashing dash in the corner.
    That black screen with flashing dash IS a video issue. Any number of things could cause it, unfortunately. Try oldfred's suggestions as a starting point, and you might also try switching to an alternate virtual terminal via CTRL-ALT-F2 or CTRL-ALT-F3. Since these do not attempt to launch the X Window Server, they just might bypass the problem and allow you to troubleshoot things using only the command line.
    --
    Jim Kyle in Oklahoma, USA
    Linux Counter #259718
    Howto mark thread: https://wiki.ubuntu.com/UnansweredPo.../SolvedThreads

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