How do I reset my hp Jornada device?
The following information applies only to HP Jornada devices. Model name Soft reset Hard reset HP Jornada 420, 430, and 430se Press RESET on the back of the device with the stylus. Remove the batteries and press RESET for 5+ seconds. HP Jornada 520, 525, 540, 545, 547, and 548 Press the red RESET button on the back of the device. Press and hold the RESET button and Press ON/OFF. HP Jornada 564, 565, 567, and 568 Press the red RESET button on the back of the device. Remove the main and backup battery for five minutes. HP Jornada 680, 680e, 690, 690e, 710, 720 and 728. Press the red RESET button on the left by the Tab and Q keys. Remove the main and backup battery for five minutes. HP Jornada 820 / 820e Press the red RESET button in the right corner by the ON/OFF key. Remove the main and backup batteries for five minutes. HP Jornada 928 Press the red RESET button on the back of the device. Press and hold the RESET button and Press ON/OFF.