Hi David! I don't know what that means.....right now I am trying to charge it, the charging light is green but it is still stuck at the picture,,,,on the bottom it says "Press the nook button to wake up your Nook"...nothing happens....I have other readers however I just love this one.....I am going to try to order the battery and hope I am not throwing away $30 bucks....Ive tried cleaning with a q-tio as suggested but no dice.
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