The ORIN NANO core board Jetpack file is missing and cannot be accessed into the system

The ORIN NANO core board Jetpack file is missing and cannot be accessed into the system. After booting up, the display screen will not show the logo interface when entering boot, the screen will remain black, and the USB connected keyboard will not light up the digital lights. But cross testing proves that there is no problem with the system inside the hard drive. We need to re burn the jetpack to the core board before it can be used. The bottom board design achieves shutdown by lowering the POWER-IN signal, rather than directly disconnecting the power supply.
May I ask what caused this phenomenon?

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Hi,

What is your JP/BP version?

Thanks

@DavidDDD

Hardware model:P3767

JETPACK 5.1.3

BSP R35.5.0

The attachments are the logs of abnormal startup caused by the loss of jetpack on the core board captured by the serial port, and the logs of the replacement core board entering the system normally.

开机异常log.txt (159.5 KB)

正常开机进系统log.txt (124.5 KB)

@DavidDDD Hello, could you please analyze what the issue is?