My nook started randomly rebooting, but there didnt seem to be any issue because it would still complete the restart. Now it is going up to the nook color screen with the little nook color dev on the bottom right corner. At this screen it will stay there for a few minutes, and then it will rewrite the nook color then stay for a few minutes then repeat. Not sure what has happened, and I really dont want to reroot it. Thats all I really know how to do with it. Also it comes up with a screen that says loading a new update for nook, and this takes a few minutes but seems to be successful, then it goes to the hang-up. Any help would be greatly appreciated.