Nov 8, 2010
I'm sorry for my stupid question but I am wondering what is the CPU on and off in the pull down bar for I mean what does it do when its off and when its on?

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I'm unclear as to what it exactly it does but it reduces the processor speed, to what i'm not sure.
The only way i worked out that much was because it was part of the power saving settings.
I believe it slightly underclocks the processor when the screen is off and to keep from allowing "rogue" apps to consume a lot of power.

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