A method of controlling power management is provided. In an embodiment,
the user provides feedback that the inactivity period before a display
blanks is too short. In response to the user feedback, a behavior
tracking mode is entered and the inactivity period is adjusted to a
period that is more suitable to the user's needs. In an embodiment, the
adjustment may be done through incrementing a counter and changing the
inactivity period based on the value of the counter.