“My hard drive has two cable USB and power Do I have to use both or just one/”

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• Best to use both (power first then data) or it may draw too much power from your USB port on startup and actually fail to start.

  Answered by Wanderfrog 8 years ago

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• The cable that comes with it is all you need. It is the power cable and data transfer all in one.

  Answered by kmchambers66 8 years ago

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• Just use the USB cable.The drive gets it's power through USB.

  Answered by 84sunflyer 8 years ago

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• My understanding is that the USB cable provides data transfer whilst the wall adapter provides power to the device.

  Answered by Sykosanity 8 years ago

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• Yes, you need to use both.

  Answered by CommunityAnswer 8 years ago

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