that was changed, like i sed i ony reinstalled it to see if i could get it to jog, i got the whole lot from merchandice, right handed proper ballscrews but pitch im not sure of, i was going to use the in build MPG in mach to set all that up. i only wanted to get it to jog. have u ever come across this befor? i know i must sound really thick, but i have tried to do everything the correct way, and the stepper motors make the same noise when they turn, but not a thing then a few times they have worked perfectly?