If your LG TV has lost channels after recent broadcast changes — like the switch from standard definition (SD) to high definition (HD), updates to digital terrestrial broadcasts, or new satellite lineups — you may need to retune your channels. Retuning rescans your TV’s tuner so it can detect all available channels and update your channel list. This guide walks you through the process on most modern LG televisions.

Whether you’re using an LG Smart TV connected to an aerial for TDT, a set-top box for satellite, or even a cable service, retuning helps ensure your TV displays all current channels correctly.

Why You Need to Retune

Channel lineups change from time to time. Broadcasters may switch frequencies, update their signal parameters, add new channels, or remove old ones. If your TV’s channel list hasn’t been refreshed recently, you may notice:

• Missing channels

• Incorrect or blank channel slots

• New channels not appearing

• TV stations showing “No Signal”

A retune refreshes your TV’s list to match new broadcast data.

And with changes happening to digital television in Spain, and around the world, as the industry moves from DVBT to DVBT2, then knowing how to return your TV will be important to keep watching those terrestrial TV signals.

For example, in February 2024, changes will be made to Spanish terrestrial television. ( as per this video a few days ago: Changes to Spanish Terrestrial TV in 2024. Are you ready? )

Your LG television may display a different menu system, but the process should be similar.

Click the image below to play the video about “How to retune channels on an LG television”

Tips After Retuning

• If channels still don’t appear, try rescanning again later — broadcasters sometimes send updated data in waves.

• Check your antenna or satellite cable connections, as loose cables can prevent proper tuning.

• Restart your TV before retuning as a simple reset can help refresh internal settings.

Retuning your LG television regularly — especially after major broadcast changes — keeps your viewing experience smooth and up to date.

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