【emergency】After replacing dtb and Image, NX startup cannot enter the desktop;

Autonomous Machines Jetson & Embedded Systems Jetson Xavier NX
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  1. Replace method
    cp /xxx/Image /boot
    cp /xxx/Image.sig /boot

$ cd /boot
$ mkdir camera
$ cp tegra194-p3668-all-p3509-0000.dtb /boot/camera

modify /boot/extlinux/extlinux.conf
$FDT /boot/camera/tegra194-p3668-all-p3509-0000.dtb

NX startup cannot enter the desktop
Is there any way to do that without flash machine ！！！！

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Now there are still important files in NX, I forgot to back them up

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Check with uart serial console.

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FYI, if you can’t get access with serial console, then you can still clone, edit the content back on the clone, and then reflash using the clone. There is a good chance the serial console still works.

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