Over the weekend, Google Chromecast 2nd generation and Chromecast Audio devices gave up the ghost, much to the concsternation of many Chromecast owners.
Users across the globe found that the Chromecast couldn’t be authenticated when trying to…
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https://www.tomsguide.com/entertainment/streaming-devices/google-has-a-fix-for-broken-chromecasts-as-long-as-you-didnt-factory-reset