Step motors don't move

windows 10
24 VDC power supply
sainsmart 3 axis grbl controller board
6560 drivers
nema 23 step motors
can hear motors attempting move but they just stutter
what am iiiI doing wrong?

Like a grinding noise?
If so they are stalling.

What are your current GRBL parameters ($0-$134 parameter) ?
We need to figure out of your baseline values are good before proceeding.