Learn how to fix your Chromecast 2 that stopped working on March 9, 2025 due to an expired certificate. Simple workarounds for both regular and factory-reset devices until Google releases an official solution.

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Closer to Code

On March 9, 2025, many Chromecast 2nd generation and Chromecast Audio devices stopped working due to an expired device authentication certificate. This guide provides temporary workarounds for both non-reset and factory-reset Chromecast devices until Google releases an official fix. Users are cautioned about security risks and advised to proceed at their own risk.

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