Casting discovery depends on the sender, receiver, network and relevant device permissions. If the television never appears, start with discovery rather than entering the IPTV password again. Being connected to Wi-Fi does not guarantee two devices can discover each other on that network.
Check the intended receiving device
Confirm that the television or attached receiver actually supports the casting method used by the app. AirPlay, Google Cast and screen mirroring are different technologies. A television being smart does not mean it supports all of them.
Review network and permission conditions
Use the same suitable local network and review the app’s local-network permission where the operating system provides one. Guest-network isolation can prevent devices from communicating. Avoid changing router security broadly just to make an undocumented casting workflow appear.
Test discovery independently
Try a known supported casting app or the receiver’s own setup guide. If discovery fails there too, the issue is broader than one streaming account. If the device appears but playback then fails, record that as a separate stage with the exact casting method. A receiver that appears only on one network provides a useful clue about discovery, but still needs a separate playback test.
