[xubuntu] cannot log into primary user account following root login

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http://ubuntuforums.org – Hey all, I recently delved into Ubuntu 12.04 for my desktop and installed Xubuntu 12.04 on my HP 5103 netbook. I moved a ton of movies to the disk of the netbook, inadvertently using up a ton of disk space. So much, actually, that Xubuntu hung on boot before reaching the login window, on "Checking battery state." While I was troubleshooting this, I entered a console via alt-F5 and tried startx, but to no avail. I rebooted and used "sudo startx" and was able to get into xfce, but it was like the standard xfce, not the Xubuntu flavor, and it threw me a prompt for settin (Hardware)