you have to edit your registry to fix this... many people have been having this same problem over at the dell forums... i can't recall offhand what key it is but if you head over to dell support ...

All is not well in the land of the E6400- and E6500-series lappytops. What looks to be hundreds of owners of these machines have been complaining of massive performance issues, throttling themselves ...

I got a Latitude D610 from work - it constantly produces a high pitch electronic noise that is very irritating. On thing I noticed is that as soon as the CPU util goes above 50% the noise stops ...