Jailbreak appeared successful on the computer, but when I connected the ATV 2 to my TV, the apple logo showed up and nothing happened after that. The ATV2 is blinking and not showing up on the television. The ATV2 is connected to the TV via a receiver, but everything connected to that receiver is working fine
Learn how to use DFU properly if you don’t already:
do not skip step 6! By skipping it you are not finishing the JB!