[aiharkness]

Try this to begin with. Plug the BlackBerry into a wall charger and leave it for an hour. Then while still plugged into the charger, remove the battery for a moment and replace. It will probably boot up. If not, leave it another hour and try again.

I've read others who had to wait a number of hours of charging, but see what happens in your case.

If the battery will not take a charge, you'll need to try another battery. But also check to make sure the battery is making contact with the terminals on the device.
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