Need support for tegradc dpd enable lookup fail:-19 after flashing jetson-nano-jp461-sd-card-image file on jatson nano

What should I do now? I have had to reboot the Nano with another sd card many times but this problem has not been solved. Kindly give a feasible solution.

There is no update from you for a period, assuming this is not an issue any more.
Hence we are closing this topic. If need further support, please open a new one.

can you connect the device to a host PC and see if you can login via CLI?
Please also dump the serial log here.