Wednesday 28 August 2019

hard drive - Windows Abnormally High Disk Usage / 100% Disk Usage

I have been experiencing an abnormally high disk usage on Windows 8.1 for a couple of months now that has greatly hindered the speed of my laptop, particularly when a process is retrieving memory from the page-file.


The disk usage often reaches 100% usage and slows the system down to a halt despite only reading and writing at a very slow rate, sometimes never even reaching beyond kilobytes a second.


Solutions I've attempted:



  • Running chkdsk /r

  • Disabling prefetch and superfetch (despite not owning an SSD) via their registry keys

  • Manually setting the pagefile size

  • Disabling the pagefile (Resulting in BSODs every week or so)

  • Messing with any hard-drive related BIOS settings (there were none)

  • Defragmenting the hard-drive with a rainbow of third-party and official defragmentation software

  • Disabled notifications

  • Any combination of the above

  • Pretty much any other solution I've found searching Google and this website


I've often noticed when it hits 100% disk usage multiple processes are utilizing 0.1% of the disk usage.


Process Monitor shows nothing of value.

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