PX4 firmware flashing problem

PX4 Autopilot Flight Controllers 💻
1

I want to migrate from Ardupilot to PX4 but when I flashed PX4 firmware to Cube black board it always stuck on beeping “Starting to program PX4IO.”

Log:
https://scontent-prg1-1.xx.fbcdn.net/v/t1.0-9/117166346_10217023668974128_7530545912790063149_o.jpg?_nc_cat=107&_nc_sid=07e735&_nc_ohc=M0he7gwPN1oAX9fioow&_nc_ht=scontent-prg1-1.xx&oh=f58272eab523deeee90cfffed2398398&oe=5F4DF5D5

Video:

2

This takes maybe 30 seconds. Does it never stop?