Just went through this process -here's how I got it to work on a 2012 13" Macbook Pro running High Sierra, version 10.13.4
1. On the Macbook:
a. Go to "Preferences"
b. Select "Displays"
c. Select "Scaled"
d. Select "Larger Text" (looks like 1024 x 640)
2. Set the power switch on the goggles to...