I just gone done doing Activity A which is just using the ShieldTV.  I must be doing something wrong because after mapping all the buttons and syncing the remote, unplugging it from the computer and pushing any button gives no response whatsoever.  No lights on the remote, power button does nothing and no changes on the tv.  Even pressing the 4 color button in the middle of the remote does nothing.  When I first put the batteries in that button at least made the remote light up.  I was able to g