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I am using Ubuntu 14.04 LTS along side Windows 7. I am trying to log into Ubuntu, but can't pass boot screen, doesn't matter how long I wait.

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The problem started when I installed a series of software and tried to restart the system. The software were requirements of a course and are listed under title Software available through apt-get and Software available through easy_install in the following link:

http://faculty.washington.edu/rjl/uwhpsc-coursera/software_installation.html#apt-get

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2 Answers 2

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Press escape on that screen, any error messages?
My suggestion would be to uninstall whatever packages seemed to break your system. Type [CTRL] + [ALT] + [F1] and login with your username and password. Use sudo apt-get remove PACKAGE to remove the files that broke your system.

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  • I followed what you said but I did not see any error message. I took the snapshots and I am sharing them in Drive: link. I can see a fail message when I tried to shutdown the system using command.
    – pkj
    Feb 28, 2015 at 10:59
  • Hmm...ModemManager may be a problem, do you use modems? If not, remove that package and see what happens. Feb 28, 2015 at 15:36
  • Sorry. but that did not helped.Regarding the 'ModemManager1', here is a similar issue: askubuntu.com/questions/462560/…
    – pkj
    Feb 28, 2015 at 16:29
  • Try uninstalling the packages you installed before then. Mar 2, 2015 at 2:32
  • Thanks for your kind help Zzzach, but I re-installed Ubuntu from bootable-USB. Thanks again.
    – pkj
    Mar 2, 2015 at 6:38
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I figured out the problem. The problem caused because of xdm, technically I don't know what xdm affected, but uninstalling it through recovery mode solved the problem.

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