jetson TX2 flashing issue

After flashing jetson TX2 when i tried to access mouse and keyboard for the system setup i was not able to access them .

have anyone else faced the same issue please help.

Is the monitor attached during flash, and is it purely HDMI? Are there any video cable adapters involved? Is this an “average” desktop style monitor?

FYI, serial console is the definitive way to see what is going on. SSH might work too, but if you are using a recent release requiring first boot to add a login account, then that won’t help much…but serial console can still see a lot. See:
http://www.jetsonhacks.com/2017/03/24/serial-console-nvidia-jetson-tx2/