Windows 10 Version 2004 Fixes 100 % Disc Usage with Hard Drive HDD


All previous builds of Windows 10 have had the “100 % Disc Usage” problem when the drive installed was a mechanical hard drive. This was usually partially relieved by disabling notifications and windows search. It has also been more prevalent when running Google Chrome. This video looks at comparing a low specification OptiPlex 790 with a 2nd generation Intel Pentium Processor, 4 GB of RAM and a 3.5 ” Mechanical Hard Drive on Windows 10 Version 2004 with the Chromium Edge Preview and comparing it to Windows 10 Version 1909 with Google Chrome. In both cases a clean install has been performed and Windows 10 has been fully updated so there are no processes running in the background.


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  1. No, Windows 10 2004 does not fix the 100% Disk usage issue. I have just done 6 NEW installs on 2nd Gen i5's and i7's , 100% disk usage persists even after setting registry "MessageSignaledInterruptProperties" key.
    The fix is to go into the BIOS and change AHCI Drive control to Legacy or Compatibility Mode. This works 100% of the time.
    Even telling Windows NOT to update Drivers and installing the correct AHCI Driver does NOT fix the issue because Windows WILL re-install it's AHCI Driver again.

  2. Seems performance improvement is significant on HDD with this 2004 Built. As for SSD, this 2004 built compared with 1909 built shows 2% CPU performance improvement and 1.3% RAM usage improvement based on my test with Passmark and Novabench.


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