“Does the Chromecast have an external power supply or is it powered when you plug it into the TV?”

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• YES It gives you two options, fortunately: Plug both ends of chromecast into your tv.... one hdmi and one USB port necessary on tv to do this or Plug the hdmi side into an hdmi port on the tv and use the removable power cord to connect to a power source .

  Answered by Fab44Me 7 years ago

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• Chromecast needs to be plugged in to an electrical outlet and an HDMI.

  Answered by IndyGirl 7 years ago

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• External power supply...

  Answered by GT350 7 years ago

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