The TrackPoint adjusts the pointer sensor automatically.
During this process, the pointer moves on the screen automatically for a short time.
This self-acting pointer movement can occur when a slight, steady pressure is applied to the TrackPoint pointer.
You must readjust it if the temperature has exceeded its normal temperature range.
This symptom does not indicate a hardware problem.
No service actions are necessary if the pointer movement stops in a short period of time.
If a click button problem or a pointing stick problem occurs, do the following:.
If the click buttons do not work, replace the mainboard.
If the pointing stick does not work, do the following actions one at a time to correct the problem.
Do not replace a nondefective FRU.