The card does not turn on, I have changed the sd card and there is no case that works please some help

Banana Pi SBCs design BPI-M2+/BPI-M2 Zero/BPI-P2 Zero(H3)
1

The card does not turn on, I have changed the sd card and there is no case that works please some help

2

please see here :

http://wiki.banana-pi.org/Getting_Started_with_M2_Zero