JAG is it the HDD vibration monitor kicking in ? Anyway check the event logs in Administrative tools for more info.

>It's a cretrino duo
>
>If I put it in my lap it freezes, and I have to press to ON/OFF button for I while to restart it.
>This happens even if I put I piece of something between me and the laptop to avoid fun obstrucion
>The fan seems to be in the bottom of the laptop
>
>Can it be fan problem or is it because of this wrong position ?