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Successfully installed ubuntu 14.04 lts on my lenovo yoga 2 pro, was pretty happy with it, i wanted to check out KDE, (i'm a noob and this is my first time ever trying to install a display manager) anyways installed it through terminal, everything worked fine, and then i used sudo dpkg-reconfigure kdm, to switch my default display manager to kdm, and then i rebooted, KDE desktop seemed fine at first, login screen and all, logged into my account and right i got stuck in an empty desktop ( did ctrl fn f1 and then switched back over to lightdm and now everything works as expected once again... What did i do wrong here?

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How long did you wait until switching to TTY? Can you reproduce this behaviour once again? –  int_ua May 21 '14 at 1:28

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