Check what kind of connection port does your projector have, usually there is an
HDMI connection. Then follow these two steps to connect your Epson projector with Macbook.
You need to press the option and F3 to switch your Macbook to the projection mode.
1. HDMI Connection
First, connect the MacBook to the projector via
HDMI.
2. Switch the signal source
Then switch the projector's signal source to
HDMI input
3. Switch the mode
Finally, press the
option and
F3 keys on the keyboard of your MacBook to switch to the projection mode.