Question 100% disk utilisation on Windows 10

Jul 14, 2019
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My dad's Lenovo ideapad 320 on Windows 10 is running very slow and the disk usage is always very high.

I've ran a chkdsk and fix but the high disk usage remains. I know there's a lot of threads on this forum regarding high disk usage on Windows 10, but still haven't pinpointed exactly what the problem is on this machine.

I'm only in the country a couple of weeks each year so am desperate to fix his machine soon.
Is there a log file anywhere in C:\Windows\System32\LogFiles that I can upload for help determining the problem and a potential fix?

Many thanks for your help
 
Jul 14, 2019
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For me personally, I have found that this kind of weirdness might be caused by Superfetch, or window's built-in antivirus. When does this 100% usage happen?
 

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