To troubleshoot internet connection issues on your TCL Google SmartProjector, follow these steps:

Check Basic Connections

1. Verify Connection Type: Ensure that your TCL Google SmartProjector is connected to the internet via Wi-Fi or an Ethernet cable.
2. Check Cables and Connections: If using an Ethernet cable, make sure it is securely connected to both the SmartProjector and the router/modem.

Restart Devices

1. Restart the SmartProjector: Unplug your TCL SmartProjector from the power source, wait 30 seconds, and then plug it back in.
2. Restart the Router/Modem: Unplug your router/modem, wait 30 seconds, and then plug it back in. Allow a few minutes for the device to fully restart.

Check Network Settings on the SmartProjector

1. Go to Settings: From the Home screen, navigate to the Settings menu (usually found by selecting the gear icon in the upper right corner).
2. Select Network & Internet: Check if your SmartProjector is connected to the correct Wi-Fi network or if the Ethernet connection is recognized.
3. Wi-Fi Connection: If using Wi-Fi, ensure you are connected to the correct network and that the signal strength is strong. You may need to re-enter your Wi-Fi password.
4. Test Network Connection: Many TCL Google SmartProjectors have a built-in network test feature. Run this test to diagnose potential issues.

Update Firmware

1. Check for Updates: Ensure your TCL Google SmartProjectorhas the latest software updates installed.
2. Update Firmware: Go to Settings > System > About > System Update and check for updates.

Check Router/Modem Settings

1. Router Settings: Ensure that your router is not blocking the SmartProjector’s connection. Check settings such as MAC address filtering.
2. Firmware Updates for Router: Ensure your router has the latest firmware updates installed.

Advanced Troubleshooting

1. Reset Network Settings: Go to Settings > System > Reset > Network Reset. This will remove all network settings and you will need to reconnect to your Wi-Fi or Ethernet network.
2. Factory Reset: As a last resort, you can perform a factory reset. This will erase all settings and data on your SmartProjector.
   • Go to Settings > System > Reset > Factory Data Reset.

By following these steps, you should be able to resolve most internet connection issues on your TCL Google SmartProjector.