My Lappy's cpu is a P4-M 1.6Ghz,But it is underclocking it to 1.2Ghz....I have set the BIOS to max performance and uninstalled all the IBM Battery programs,How do i put it back to 1.6Ghz???h
It might be that the laptop is detecting to much heat and underclocking it to stabilize performance. I'd take the lap top apart and reseat the heatsink or something.