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Thread: Boot stops at Ubuntu + five dots

  1. #1
    Join Date
    Jun 2007
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    Macon, GA
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    402
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    Ubuntu 14.04 Trusty Tahr

    Boot stops at Ubuntu + five dots

    What causes a boot to stop at Ubuntu 12.04 with the five dots? If I then do Ctrl-Alt-F1, it takes me to a login. I log in and then run sudo lightdm. Thet brings me to the correct graphical login for Ubuntu, Ubuntu-2d. After that login, system runs normally.

    I got into this "mess" after I removed the Gnome desktop.

    Is there a diagnostic tool that will point out the error in my ways?

    John

  2. #2
    Join Date
    Jun 2009
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    Chicago Suburbs
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    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Boot stops at Ubuntu + five dots

    Have you looked into log files?

    Try Log File Viewer and look at dmesg. Then look for errors, repeated tries at loading a driver, or long times between entries.
    For info on UEFI boot install & repair - Updated Mar 2015:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  3. #3
    Join Date
    May 2006
    Location
    Milwaukee,WI
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    6,282
    Distro
    Xubuntu 14.04 Trusty Tahr

    Re: Boot stops at Ubuntu + five dots

    you could try to reconfigure lightdm with
    Code:
    sudo dpkg-reconfigure lightdm
    also make sure that lightdm is within the file /etc/x11/default-display-manager

  4. #4
    Join Date
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    Re: Boot stops at Ubuntu + five dots

    Thank you for your help. dmesg indicates "13.417424] nvidia: module license 'NVIDIA' taints kernel." even after new nVidia driver installed (NVIDIA UNIX x86 Kernel Module 173.14.36) using procedure specified by nVidia. Once I do the alternate boot procedure as indicated in my question, video situtation is excellent. I have also reconfigured lightdm.

    John

  5. #5
    Join Date
    May 2006
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    6,282
    Distro
    Xubuntu 14.04 Trusty Tahr

    Re: Boot stops at Ubuntu + five dots

    Quote Originally Posted by cigtoxdoc View Post
    Thank you for your help. dmesg indicates "13.417424] nvidia: module license 'NVIDIA' taints kernel." even after new nVidia driver installed (NVIDIA UNIX x86 Kernel Module 173.14.36) using procedure specified by nVidia. Once I do the alternate boot procedure as indicated in my question, video situtation is excellent. I have also reconfigured lightdm.

    John
    so everything is fixed? please mark it solved using the thread tools in the upper right. thanks

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