Mini 2 errors

[808state]

Hi , after i am replaced the Mini 2 coreboard show me a lot of message errors, how can we clean all??

 

[Yorkshire_Pud]

Send it to DJI I let them fix it.

You have in effect called someone on a telephone and said "I am sick how do I make myself well". Without posting AT LEAST the error numbers how could anyone possibly tell you how to fix anything?
Better yet, post screen captures of the error and their messages......... but I'd say it is a reasonable bet that you will still end up sending it in for repair.