NEED HELP

OUR PC WAS BURN AFTER STORM .NOW WE CHANGE PC AND COMMUNICATE WITH CNC FANUC OM . NOTHING HAPPEN .SUM BODY TOLD US THE CHIP NO 75188 AND 75189 NOT WORKING .WE CHANG BOTH BUT NOW PS 128 ALARM COMES WHEN WE SEND NC FILE TO CNC AND NOTHING HAPPEN WHEN WE SEND CNC TO PC .