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General Mach Discussion / New computer No movement

« on: April 16, 2013, 06:08:06 AM »

I have just replaced the computer the drives my chinese CNC and am unable to get my steppers up and running. The machine worked brilliantly prior to the replacement of the computer. The new (2nd hand) computer had Vista installed. I have reformatted the drive and have installed XP professional and the latest lock down version of mach3. When I start up the computer I can hear the steppers 'thunk' and appear to be getting the same amount of power that they used to get with the old computer (I can hear them 'hissing'). When mach 3 starts up the steppers seem to shut down. Any suggestions?
Thanks
Matt