So, I followed all of the instructions in the root video, got to where I closed Odin, and now I have a black screen... I really don't know what to do at this point. Did I just brick my phone?
It will show the Samsung logo after a reboot, but after that, nothing, and the blue notification LED will stay lit.
EDIT: It looks like the root I applied was for 4.0... and not 4.1. Am I screwed?