@veye_xumm So I finally reflashed the Xavier NX and I noted the IP address. I also think I made the IP address static. After changing the /boot/Image folder and restarting the Xavier, SSH wasn't working and I tried to SSH to all IP addresses on the network, but they didn't work with one of them saying connection refused. I am guessing the Xavier wasn't in connection mode since it was in recovery mode or something which from what I read stops the peripherals from working, explaining why my display was not working as well.

I also plugged in to the uart interface of the Xavier to get some debug information about the crash. I have uploaded the file and I think it could be useful for solving the problem. Especially the last part (the part where it crashes).

Here is the file:
AfterChangingBootImageVeye.txt

@veye_xumm I didn't upgrade the dtb or the .conf file. I forgot to mention I have 2 cameras connected to the Xavier as I changed the image and restarted the Xavier (if that makes a difference). I wonder if I shouldn't have restarted and continued with the dtb upgrade first, but I don't know what could be the problem.

Hello,

So I cloned the github repository, and I unziped the tar file that corresponded to the Xavier NX with jetpack 4.5.1 (Signed). Then, I copied the Image and Image.sig to /boot/Image as it said in the wiki.

After a reboot, the light of the Xavier NX was still green but the screen was not showing anything. I have already had this issue before and I just flashed my microSD card again to jetpack 4.5.1 and everything is fine.

I am wondering if I should connect to it through some debug port or something to get more information about what happened or if one of you already knows what to do.

Thanks in advance!