My machine, except the computer, has been bullitproof for several years. My computer died and I had it seviced. The guru said it was a memory error and nothing had changed in my programs. When I cranked it and Mach3 up, I noticed that the x & y drives made sounds like they were out of tune. Very heavy growling/jercky movements. It would even fault out the drives. I've changed out the desktop 2 or 3 times with no issues on parameters. I'm wondering if I'm getting low control voltage to my boards.
Any thoughts?

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