well this is something for the records ...DUST
dust can cause you so many problems some intermitant and some will just short the whole works out! psu's suffer the most .
some results are
shorts ...(not likely ) fire unless in the crt monitor it can happen
just to show the effects of dust ...grain silo's biggest fear is a " DUST FIRE "...when dust in a grain silo goes up its more like a 10,000 pound bomb....Hey just an example here ...but a lot of old tv's have caught fire due to dust!
heat...get a cpu fan clogged and it will over heat
heat ... dust in a fan will burn out the fan
oh well just a few here ok?
if its not artifical intelligence, why have it?