I think I accidentally erased the flash/MAC on my TM4C129XNCZAD Evaluation Board. I opened the LM Flash Programmer 1588 tool and attempted to "Debug Port Unlock" with the "Fury, DustDevil, and Blizzard Classes" option selected, as shown below.
However, as you can see, the MAC Address seems to be lost and won't even discover my device to load changes. As I follow the instructions shown below (aka. I unplug the device from my computer and then plug it into my computer again as I am holding down the reset button).
I then recieve the following error message.
Also, if it helps, the only LED light on on the board is the orange "5V ON" light. The "3.3V ON" light and the debugger LED's are not light up.
Marshall