Casio E-3000 hard reset
1. Power off your Casio E3000. Press the reset button and the power button together.
All Data will be lost! Make sure you have backed up your data.
Casio E-3000 full reset
1. Take out the battery slide it downwards.
2. Find the battery switch and slide it to OFF position.
3. Wait for 5 minutes.
4. Slide to the ON position.
5. Insert battery and turn off your phone.
You need to recalibrate your Casio E3000 pda.