System Idle Process is high - 60%-80%

I've used malware bytes to scan for malware but it returned nothing. What other ways i could fix this issue? I've used process explorer but no details.
melwongAsked:
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hello_everybodyCommented:
The System Idle Process is supposed to be high, that figure shows how much of the processor is not in use (idle), but it does show that between 20%-40% is in use, if you don't have any applications running that is a sign of malware that is running, but if you have several typical applications running (or even one 'heavy' one the figure is fine.
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Mr_GrumpyCommented:
System idle process should be at 99% if the computer is doing nothing, if it never gets that high then you can investigate any other processes that are running. Malwarebytes is an excellent cleaning program & I expect your computer is not infected. For further information about what is running on your computer, you may like to try WinPatrol which is a free program from http://www.winpatrol.com/. It will give details of what is running on your computer.
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melwongAuthor Commented:
yeah, i quit my outlook, firefox, ultra edit and the cpu went low. But why only now it started doing  this (past 1 month). It never did this all this while
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hello_everybodyCommented:
It always had, you just didn't realize it. That's the way Windows is built, it's perfectly normal, if it wasn't that way I'd worry.

Good Luck, and have a good day!
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TechForceCommented:
as others have said, this is completely normal, infact whilst i'm typing this i have taskmanager open, showing my system idle process lingering around the 90-99 mark, but the CPU usage is at around 3%

if your computer is doing nothing, you'll often see the system idle process on 99. this is completely normal, i too once found it weird when i first noticed it. but it's absolutely standard.
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melwongAuthor Commented:
I'm still not convince that's the reason. I've been using my laptop for 3 years now and i know when it starts to act-up. even now  the CPU fan is humming at 45%
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TechForceCommented:
if you're absolutely convinced something is wrong, then go ahead and format and re-install windows, and run some diagnostic software on other components.

if your machine is starting to act up quite slow, then i'd be running a diag on the hdd as everything you've explained in this thread about the system idle process is completely fine.
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grayeCommented:
... or you could listen to us
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TCM_KCHCommented:
Ha ha ha !!! I think Mel is just worried about the fan. 20-40% utilisation is ok. However, it should not be a permenent usage. At times, the idle should hit 99% If you dont get 99%, then u need to investigate. Otherwise, its normal.

As per yur fan. I believe it's heat issue. Over time, lint will build u in yur heatsink, causing reduction in airflow. U just need to vaccum the muck out of yur heatsink.
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TechForceCommented:
agree'd. the cpu fan wouldn't be a coincidence with the system idle process, it's no doubt just got clogged over time and needs a thorough cleaning, i'd reccomend compressed air or a vacuum, and some cotton buds or something similar to clean the clog off the fan (unless you completely dismantle the cpu and remove the fan for a full clean)

if you don't feel comfortable opening your laptop to clean it thoroughly, i'd reccomend taking it into a repair shop that has a good track record in laptop repairs.
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melwongAuthor Commented:
Still no exact answer
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Windows XP

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