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harryb2448

 
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Member Since: Nov 28, 2007
Location: Nambucca Heads Australia
Posts: 18,315
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Mac Specs: iMac i5 2.7GHz, 16GB memory, OS 10.10.1

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Is the USB port (or dock) a mains powered unit?

Sounds very much like the externals are taking too much of the power from your macbook if they are powered from the machine.
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