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My laptop became unresponsive recently. I searched for the root cause and I found out that my resource monitor shows 100 percent of Highest Active Time for the disk and not much i/o with it. The process causing this activity is mostly 'System' wit PID 4. But sometimes other stuff like 'svchost'. I tried new Intel chipset drivers, Matrix Storage, even a fresh install of Windows. Nothing helped. Any ideas?

Here is the screenshot: http://postimage.org/image/7bqm52j8b/

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Try to remind what last did you do before this happened to your system? Also provide more info e.g.(when did it start, if there is any pauses, etc) –  sanny Sin Dec 5 '12 at 14:28
    
Well, I cannot definitely say when it has started. But it should not matter since I did a clean install today it still happens. I just need an idea to maybe prove if it is or it is not a hardware failure. –  bop Dec 5 '12 at 15:13
    
That folder which is active in your printscreen at system process is created by windows updates, have a look at windows update screen if there are some new updates or whether these are installing. –  week Dec 5 '12 at 15:31
    
Of course I know updates are installing. The point is it just happened to be installing updates. Here the computer doesnt do anything at all: postimage.org/image/u9qakkw63 –  bop Dec 5 '12 at 17:20
    
No one can convince me this is normal. It is not. With a little I\O that much highest active time? I looked at other computers too. None of them has it. –  bop Dec 5 '12 at 17:23
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So the problem turned out to be an hardware issue. I replaced my Toshiba MK5061GSY drive with an older WD. The problem is gone. Thanks everyone for the comments.

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