Begin with the least disruptive relevant action
Google’s troubleshooting sequence distinguishes a restart, account/profile checks and app-data clearing before a full reset. A normal restart retains the setup and is a different action from erasing application data.
Record what failed first. If one player is affected while the rest of the television works, start with that player’s documented troubleshooting rather than assuming the entire device must be rebuilt.
Know what app data can contain
A player’s data can include saved account configuration and preferences. Clearing it may require signing in or adding the source again. Keep the authorised recovery details privately before doing so.
This action is not the same as removing an unused application to free space. Nor does it renew a service account or change whether an app is supported on the hardware.
Reserve factory reset for a defined reason
Google explicitly warns that a factory reset erases device data and recommends trying other steps first. It can remove network, household and application setup. An unsupported codec or absent publisher release will not become supported merely because the television has been reset.
If a reset is genuinely needed, record the settings and app sources required to recover the intended setup. Do not rely on a screenshot containing private passwords as a backup.
Confirm what the action changed
Repeat the same small task after the selected action and note the result. If the symptom is unchanged, preserve that finding. Repeating a destructive reset without new evidence rarely makes the next diagnosis clearer.