Palm has lost stylus calibration
From WikiTechia
A dreadful situation to come accross is when you start up your Palm PDA and your Palm has lost stylus calibration to the point you cannot actually do anything on screen, including, getting to the system menu to recalibrate it! This happened a lot with the Palm Vx series.
Solution
ZDigitizer
Don't throw that trusty palm away due to a design flaw, a program called ZDigitizer can be installed on your palm and on start up from a soft reset, it will automatically fire up the digitization screen to calibrate your stylus.
A real life saver if it happens to you on the move, so get it in your Palm before it becomes a problem!

