電視無信號怎麼辦

If your TV is showing no signal, you can try the following steps to troubleshoot the issue:

1. Check the connections: Make sure all cables are securely connected to both the TV and the source (such as a cable box or streaming device).

2. Restart the TV: Turn off the TV, unplug it from the power source, wait for a few minutes, then plug it back in and turn it on again.

3. Check the input source: Make sure the TV is set to the correct input source (HDMI, AV, etc.) that corresponds to the device you are trying to watch.

4. Scan for channels: If you are using an antenna, make sure to scan for channels to ensure you are receiving a signal.

5. Reset the TV: If none of the above steps work, you may need to perform a factory reset on the TV to restore it to its default settings.

If the issue persists, it may be a problem with the TV itself and you may need to contact the manufacturer for further assistance.