No, you're following the wrong instructions. Your computer is a laptop, for all practical purposes.
These are the instructions to follow: https://ask.damiensymonds.net/topic/30957-i1dp-mac-01/
You have to follow my directions EXACTLY this time. https://www.damiensymonds.net/calibration.html
Because your screen didn't match your prints! That's why you started this thread, remember?