Korg Kronos 2 SYSTEM START UP FAILED

Hello Great Tech guys, please i have a korg kronos 2 keyboard wirh “System Startup Failed”

Also indicating on the screen an erorr message “Please turn the Kronos off, wait and then turn it back on. (If any USB devices are connected, please disconnect them first)”

Please what does this mean?
Anyone with this same experience?
What would you advise i do here?

I look forward to your quick reply.

Pictures attached below.