1. Remove the 7SEG board (7SEG Board)
  2. Remove the motherboard [A].

    • Remove the motherboard carefully to prevent damage to the harness and connectors.

    • When installing a new motherboard, remove the CPU cooling fan, CPU, and DIMM from the old motherboard, and install them on the new motherboard.

  3. Remove the old USB dongle and install the new one. (USB Dongle)