How do I sync the lighting of the Matrexx 55 ADD-RGB 3F case with the motherboard?

1. Please make sure your motherboard comes with 5v 3pin ARGB header.
2. Please disconnect main cable from the manual controller board.
3. Please do not plug the SATA connector into PSU SATA connector. 
4. Please plug the female header of preinstalled fans and led strip into the male header of "main cable" one by one.
5. The female header of "main cable" is working for connection with ARGB sync cable.
6. Please plug the female header of 5v 3pin A-RGB sync cable into motherboard.