Persistence.
Most often when the USB stick is made via another Linux system the
persistence file is not created.
Ken mentions this in his post (Step 5)
http://navigatrix.net/viewtopic.php?f=4&t=529&p=2597&hilit=other+options#p2597Or this...
http://navigatrix.net/viewtopic.php?f=6&t=592It's the same problem...without persistence the system can't 'remember'.
Good luck.