Here is a guideline for you connect your Macbook to Acer C202i Projector. You may follow the steps below to finish the task.
(1) Select MacOS on main menu of projector, and then select Wireless menu by pressing “OK” key.
(2) Make sure both of your projector and computer are connected to the same WiFi router.
(3) Click for Screen Mirroring icon on your computer and select the “Beam-XXXX” shown on the list to start your projetion.
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