Using Basic Projector Features
If you are unable to connect to the projector using Miracast, try the following solutions:
Check the projector's settings.
Set Miracast to On from Wireless LAN in the Network.
Set Miracast to Off from Wireless LAN in the Network, and select On again.
Check the mobile device's settings.
Make sure the settings on the mobile device are correct.
When connecting again immediately after disconnecting, it may take some time until the connection is established. Reconnect after waiting for a while.
Restart the mobile device.
Once you have connected using Miracast, the projector connection information may be recorded on the mobile device. However, you may not be able to reconnect to the projector from the recorded information. Select the projector from the list of available devices.