Fedora 17 (Beefy Miracle) boots twice, then fails to finish second time

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http://forums.fedoraforum.org – Hello, I use Fedora 17 (Beefy Miracle). I turned off my computer and booted Windows 7 for a few days, then booted back into Fedora 17. For some reason, Fedora booted twice, then stalled. What I mean is that I hit F12 so I could see the services being started and whatnot with the green [ OK ], and in the middle of booting I saw the it print "Welcome to Fedora 17 (Beefy Miracle)!" in blue the way it does way at the beginning, and the same lines of text that said "started..." came up that came up before. This happened right after it said "Starting NFS file locking service (HowTos)