Is this problem the same with both axis? IF so it is definately the signals from the laptop.
Have you got anything running in the background on the laptop? close all non essential processes down.
What is the spec of the laptop?

Quote Originally Posted by bruce_miranda View Post
The only problem I'm really facing now is this hesitation once about every 8-9 seconds. At slower velocity the motors do not stall. I've even disconnected the Direction Pulse to see if that helps but nothing helps. I don't have access to a Desktop machine and so am keen to get this laptop working.