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It depends on how many programs you run and how many programs ur operating system runs in the background. It also has to do with what processor you run and what operating system you use. On an average if you have any processor of Pentium 4 and up with a bare windows xp installation your CPU usage when the computer is idle it shoudnt be more than 8-10%.

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Q: What percent should your CPU usage run?
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I get a warning on my PC that says my CPU usage is at 80 percent what do i do?

If your CPU usage is at 80%, you are probably trying to run too many programs at once. Try closing some programs, especially any that are processor-intensive (games, photo/video processing, etc).


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Why does your computer run slow at 2 percent CPU usage?

A lot of the time if your computer is going slow then it's going to be your memory usage. If you only have 1GB of RAM and your running 1.1GB of RAM worth of applications, processes, or services, your computer is going to go really slow even if your CPU usage is little like in your situation.Try cleaning up your temporary files and close out of some useless process such as Yahoo Messenger, Windows Messenger, or other things that are running that you aren't using.


Why is CPU usage percentage slowly decreasing?

The reason why it is slowly decreasing is because they are coming out with different things like palm pilots, and different hand held units that are cheap and not speedy.AnswerYour CPU usage should be low ,around 2-4%, high usage will mean a slow down in your computer because the resources (RAM) is being used up elsewhere, such as programs that run in the background like antivirus protection, spyware, updates etc.. some credit to the music dept. I have found that my daughters I-tunes and ,deel juke box run in the background also.


Your computer CPU is at 100 percent why?

A CPU will run at 100% when you have a lot of "stuff" going on. That stuff can be things you WANT to run, or it can be spyware, viruses or even benign applications that you thought might be nice to have but often just take up space and processor cycles.


If your CPU is running high while running a particular program for a sustained amount of time is this bad for your computer in the long run?

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Why is my CPU usage so high when I meet the system requirements of games?

Remember that there are two different requirements on a game, minimum and recommended. If you are running the minimum requirements and there is anything else running in the background then you can expect high CPU usage. If you are running the recommended requirements, or higher, and still having high CPU usage it is usually time to start the task manager, chose all processes from all users, then click on CPU. Usually the first process on the list is the System Idle Process, if there is a process that is using more CPU processing than that you need to find out what it is. As a tech since 1992 there is a truism that usually applies, rebooting fixes 99% of all issues. That being said, if you have rebooted and cannot find the process that is stealing your CPU power, it would be a good time to run both your anti-virus and a good malware program.