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Okay sounds like maybe you have some error with your /etc/lightdm/lightdm.conf Boot your computer and when it stops and hit Ctrl+Alt+f2 You should get a login prompt. Login with your regular username and password. Now to fix the config sudo vim /etc/lightdm/lightdm.conf or sudo nano /etc/lightdm/lightdm.conf # if your not comftable with vim, nano is ...


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The entries in your auth.log involving the gdm user appear normal. This is nothing to worry about. I'm not sure what you mean by "unauthenticated logins" but if you just mean no human entered a username and password for them, that's not a problem. If you're referring to where it says "Unregistered Authentication Agent," that does not mean a login occurred ...


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To access the files in your desktop just use a livecd and navigate on the hdd to /home/username/Desktop and that is where the files are. As to resolving your troubles you could try booting the OS, then pressing ctrl+alt+f1 then typing sudo apt-get install --reinstall lightdm then sudo dpkg-reconfigure lightdm but if you are talking about having edited ...


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Well do the following. Do not logout from anywhere. Press Ctrl+Alt+F1. Log on to tty. Install remote desktop to your computer. $ sudo apt-get install xrdp Log on to Ubuntu with another computer. Use $ ifconfig to list your IP. Save all you incognito tabs (right-click on a tab and select "Bookmark all tabs" or hit Ctrl+Shift+D). On your tty shell, ...


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I think you are worrying about nothing GDM is the gnome display manager, it is responsible for making your log in screen look gnome themed. Try doing this to find out sudo dpkg-reconfigure gdm You can in fact use lightdm instead of gdm, the procedure is same for both. Using the above mentioned command will take you to a warning page. Enter to get back to ...



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