I bought a new JETSON NANO. Its flash drive is broken and it won't boot. It just hangs on the NVIDIA screen

Please refer to below threads to see if can help:
Guidance to tell if you are using a NV developer kit - Jetson & Embedded Systems / Jetson Nano - NVIDIA Developer Forums
Debug tips when you hit any issue (fail to boot/ keep reboot …etc) - Jetson & Embedded Systems / Jetson Nano - NVIDIA Developer Forums