Cannot charge with frontside USB Ports on Dyndock-U with computer off

So I have read through the manual and have followed all directions.  Everything else works fine, however, when I undock it or when the computer is turned off, my mp3 player stops charging.  The light on the dynadock doesn't turn off, but goes yellow.  I have tried manually undocking it (pressing the top button) and I have tried doing it in the utility bar, and I have tried just unplugging the computer--but nothing works.  It still stops charging.  Even when I changed frontside usb ports, it still stops charging. 
  I would appreciate any insight anyone might have on this matter.
  Thank you for your time.

I am having the same problem.  Have gone through all the permutations with the top button, setting charge mode, etc. without success.  One of the main reasons I purchased the Dynadock U was to use the powered USB ports to charge devices such as an iPhone overnight even when the laptop was off.  The Dynadock manual states that "Not all devices can be charged through these ports."  Looking for a solution or guidance from Toshiba or anyone that knows whether or not an iPhone can be charged through these ports, and if so, how.  Thanks in advance for any assistance.

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