- For Win 10Step 1: Select Mirror Screen function from “Connect.”Step 2: Select WirelessMirror SSID and enter password to start projection Mac OSStep 1: Use your phone to connect Acer WirelessMirror by selecting SSID and enter password shown on standby page of your projector.Step 2: Select WirelessMirror SSID to start screen mirroring.Step 1 Step 2Connect5