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After erasing the MacBook, I also wanted to erase the Touch Bar. However, after the command xartutil -erase-all My MacBook does not start anymore. The screen no longer lights up or turns on. Tried all reset commands. How do I get him to work again?
You’ll need access to another TB Mack system to run the Apple Configurator 2 app to try to re-install the system firmware. Here’s more on it How to install Apple Configurator 2 for macOS Basically, putting the system into DFU mode Try running both Revive and Restore options
