Started User Manager for UID 120

Whenever I start my Jetson Nano it gets stuck in the same error “Started User Manager for UID 120” and I don’t know what to do.

Normally you would want to include a serial console boot log:
https://www.jetsonhacks.com/2019/04/19/jetson-nano-serial-console/
(though perhaps not needed in this case, but screenshots are difficult to work with)

First is this a developer’s kit? This would have an SD card slot on the module itself, and not on the carrier board. Have you flashed the Jetson itself? Were you using an SD card with a pre-built image? Note that SD card models have to have the module itself flashed, which is a separate step from adding an SD card image (the flash goes to QSPI memory on the module itself and contains both the equivalent of a BIOS and the boot chain; the SD card on those models contains only the o/s).

L4T is Ubuntu plus NVIDIA drivers, and you would find a compatible release here:
https://developer.nvidia.com/linux-tegra

You might find JetPack/SDK Manager indirectly through that link, and this is a front end to the flash software.

Hello! First of all, thank you for your reply

Yes, it is a developer’s kit. I formated the microSD card previously and then write the Jetson Nano Developer Kit SD Card Image.

The problem is that this happened to me suddenly, I mean I had been working with the board for days, and when I entered today instead of starting the session that came out.

Better try re-flashing with SDK Manager.

Okey thank you

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