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I have a really strange problem, i rebooted my laptop running Linux Mint 15 with XFCE and unexpectedly it doesn't show the login screen instead i see tty1. The strange part is, that i haven't changed any configurations before the reboot. The system was running flawlessly weeks before today.

At boot i see the animated splash logo, and then i am presented with the blinking cursor of the tty1. To check if my graphic card works I've rebooted to windows (it's a dual boot system). Windows works without problems.

I also tried to boot older kernel versions, i checked the filesystems, everything ok. When i call startx from one of the ttys, i see my desktop without any XFCE stuff, no panels nothing. Cant open a terminal etc.

Currently i am writing the last parts of my bachelor thesis, this problem is the total worst case. I am not to familiar with X11 and friends, that means i don't know where to look for the problem.

PS: The laptop is a hp elitebook 8460p, with integrated intel hd graphics. I am running the included open source graphic drivers.

UPDATE: When i call startxfce4 in a tty after i logged in on that terminal, i get my desktop back. But why is there no login screen after all? Someone any ideas? mdm is responsible for the login screen in linux mint, i think that there is the problem.

UPDATE-2: When i call mdm in the tty after booting, the login screen shows up and i can login. But why doesn't start mdm automatically?

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The problem was the fontconfig-infinality package.

Solution:

  1. sudo apt-get purge fontconfig-infinality
  2. sudo apt-get remove mdm && sudo apt-get install mdm (maybe not necessary)
  3. sudo dpkg-reconfigure mdm

Voila! The login screen is back. The only downside is, i did'nt get an answer why this error has come up so randomly.

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