Using Basic Projector Features
If you are having trouble with the authentication, try the following solutions:
If the wireless settings are correct, but authentication fails, you may need to update the Date & Time settings.
Extended >
Operation >
Date & Time
Check the Security settings in the projector's Network menu.
Network >
Network Configuration
>
Wireless LAN
If the access point security is WPA3-EAP, change the access point setting to WPA2/WPA3-EAP.