40ideapad 320-17AST/ideapad 320H-17AST/ideapad 320L-17AST/ideapad 320R-17AST/ideapad 320E-17AST/ideapad 320-17ABR/ideapad 320H-17ABR/ideapad 320L-17ABR/ideapad 320R-17ABR/ideapad 320E-17ABR Hardware Maintenance ManualFigure 4. Removal steps of PCI Express Mini Card for wireless LAN (continued)Remove the card in the direction shown by arrow 3.cWhen installing:• In models with a wireless LAN card that has two antenna connectors, plugthe black cable (1st) (MAIN) into the jack labeled MAIN, and the grey cable(2nd) (AUX) into the jack labeled AUX on the card.• In models with a wireless LAN card that has three antenna connectors, plugthe black cable (1st) (MAIN) into the jack labeled 1, the grey cable (3rd) intothe jack labeled 3, and the white cable (2nd) (AUX) into the jack labeled 2 onthe card.