According to the problem analysis result done by TSA, you can directly begin the subsequent troubleshooting process from the corresponding potential root cause.
3-3-1-1 - Press and hold the reboot button for 10 seconds, and verify if the menu appears after rebooting.
- Result 1 - The menu appears.
Issue closed. (Root cause: The firmware is not loaded properly.) - Result 2 - The menu still disappears ("table.undefined").
Start 3-4-1-1.
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