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Processes in Task Manager

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by lisav

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I was just wondering why the System Idle process in Task Manager always shows a CPU percentage of 99 or sometimes in the 80's? I've also learned that it is not a process that you can change priority on. It seems like it is a normal thing, because I see it on the server and workstations as well. So it looks like something that is normal, but I was hoping someone could explain that to me. Thanks.

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by timwalsh

There is no real process occurring here. This is merely the way the Windows developers decided to denote how much of the CPU is NOT being used. If you watch the various processes start to use the CPU, you will see the percentage decrease for System Idle.

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