Powerbook overheating when in screensaver mode

Hi,
Seems whenever my powerbook goes into screensaver mode, the fans are really working overtime, much louder then normal. Once I start working on an application, it settles down. But if I walk away or come home from being out, computer is in screensaver mode and the fans are churning away.
It's almost four years old, so maybe it's wheezing. Works fine otherwise, no noticeable problems, but just a bit concerned about this. Any suggestions?

Hello - you're in the wrong forum. You need to post in the "powerBOOK" forum. You are in the "powerMAC" forum. A powerbook is a laptop, a powermac is a desktop, for further reference.
You will probably get a few people who have encountered your issue if you post there.

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