[TriLUG] laptop cooling fan

[Amnon]

I've been doing it for over 20 years now, to every machine that comes across the bench, before I work on it.  Not a once did it 
damage anything :-)
Now, you do need to watch not to get too close to the board, or you may dislodge some components (160psi ;-)

>I think the idea is that the fan (spinning backwards) could cause a charge
> (AC) and blow out the chip/controller on the fan. The bearings you listed
> do spin both ways.