Criminy. The little white plastic doohickey that opens the battery compartment on my laptop (powerbook g4, I thinks) has broken off and now I can't open the battery compartment. I'm trying to find out if my battery has the appropriate serial number for the recall, but I can't open the battery compartment. Plus, the battery no longer works at all, so I have to use the AC adapter if I want to use the laptop at all--NOT GOOD! Does anyone know if this dumb little piece of plastic can be replaced, and if so how? (I'm sure it costs something like .000000003 cents to manufacture......) Thanks in advance.