Once connected, click Next in the web browser.Go to the Wi-Fi menu, choose that Wi-Fi network from the list to connect.Choose Wi-Fi network, enter password for the Wi-Fi network (if applicable), then click Connect.Give the Chromecast device a name and then click on “Looks Good.”.Click Yes if you see the code on the webpage projected.Go to the Wi-Fi menu (top right menu bar icon on Mac or bottom right icon on Windows) and choose the Chromecast device name from the list (should start with “Chromecast”).Accept the Privacy and Terms if prompted.Click on “Set me up” when the device is found.Click on “Or you can set up your Chromecast on this computer” below the icons.Go to /setup on Google Chrome (can’t use Safari, Edge, Internet Explorer, or Firefox).Connect the Chromecast device to the projector using the USB and HDMI.Install Google Chrome if it is not installed.Mirroring desktops using Chromecast How to set up a new Chromecast