need help diagnosing huge CPU usage

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PlanetAnn

Registered
I have a Macbook Air, docked to a Cinema display, with a wireless keyboard and mouse and on a base station.

Recently the mouse and keyboard started behaving sluggishly and after I open Firefox and load my iGoogle page and maybe one or two other tabs, pages slow to a crawl or don't load. Apps don't open well either

I launched Activity Monitor to see what might be running - though I don't have clue what all those processes are - but notice my CPU Usage runs high, from 6o - 90% and all I have open is Firefox, Entourage, and Activity Monitor.

I'm completely baffled as to what i going one and while I;d like to start deleting and quitting processes, that probably isn't a god idea.

any suggestions?
 
Open Console (/Applications/Utilities) and look at what it's showing when it's slow and sluggy.

You could also try some generic maintenance with e.g. OnyX.
 
Plus open /Applications/Utilities/Activity Monitor and then you can see what is taking up CPU cycles.
 
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