
and then when you press enter you will see

Press 4 to indicate that the drive is normally capable of 1.44mb (although it will actually be formatted to 1.7mb

The colored bar at the bottom will start moving across the screen until it writes the entire disk, then you will see:

This screen calls for you to press Capital A. The letter to press will be different each time you use it, but just press whatever is called for.