When I connect a USB device to a USB hub, why do I receive an error message about available power?

A. When you connect a USB device to a USB hub, you might receive the following error message:

The hub doesn't have enough power available to operate the \[device\] USB Device. Would you like assistance in solving this problem?<br><br>
As this error message indicates, there is not enough power to operate the device correctly. You should use the AC adapter that came with the device to resolve the power distribution problem.
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