A white pixel appears (and disappears) in different areas

[Manuel]

Hi, my ThinkPad is a T30 2366-RTG. The display has no bad pixels but today something strange happened...

This morning a white bright pixel emerged at the center of the display. Luckily it disappeared after the reboot of the laptop.

In the afternoon I returned to my ThinkPad and the white bright pixel emerged again, this time in a different area of the display. Again it disappeared after the reboot.

Where is the problem? Display, graphic card, drivers? I have no idea. (The ThinkPad was not on battery and the os is Windows XP SP2.)

Thanks

[Manuel]

I can reply to myself
http://forum.thinkpads.com/viewtopic.php?t=37495
http://forum.thinkpads.com/viewtopic.php?t=27528
This forum is a terrific resource