8. Disable Prefetch and Superfetch

This addresses 100% disk usage during idle in windows 10, even if you’ve already disabled the superfetching service.

Disable prefetch and superfetch regedit

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\PrefetchParameters

EnablePrefetcher

DWORD

0

EnableSuperfetcher

DWORD

0

Updated: 2021-02-19 Reference