The logic board is just like a motherboard of MacBook which initiates a centralized connection to every pediment and internal component of the PC. When this specific Apple component configures some hardware related malfunction, it is the responsibility of the user to apply some sort of diagnosis to the central board.
MacBook Support helps you to diagnose and fix the logic board issues:
Place the apple disk of hardware test disk on ssto your drive. This specific utility is available with the installed disk of the OS. The previous edition of...