In what cases does hyperpigmentation occur when removing moles with a laser?

I have had a mole on my skin for a long time, and since it is quite large, I am planning to have it removed with a laser.

The spot is on the darker side, so it doesn't look like it will be completely removed in one go.

I heard that sometimes hyperpigmentation remains after mole removal.

In what cases does hyperpigmentation occur when removed with a laser?

I am wondering if hyperpigmentation can occur with repeated removal or depending on the aftercare method.

Are there any precautions I should take when removing moles as well as pigmentation?