Chromecast authentication error; cannot be authenticated or connected to
the wifi networkSince yesterday, the Chromecasts have unexpectedly
disappeared from my Wi-Fi network. When I try to configure them again, I
continually receive an error message ...
Since yesterday, the Chromecasts have unexpectedly disappeared from my
Wi-Fi network. When I try to configure them again, I continually receive
an error message that the device cannot authenticate with my mobile
device/tablet. Following the instructi...