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I have 2 SSDs that have the Disk Optimization not available error.

Tried everything with defrag commands and SATA/motherboard drivers. Nothing worked.

I wanted to share how I fixed this.

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  • Windows 10 like written in the title.
    – djibe
    May 5, 2020 at 9:21

2 Answers 2

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Launch Windows command prompt as administrator and enter the command :

winsat formal

Now launch a Powershell command prompt as Aministrator

Optimize-Volume -DriveLetter c -ReTrim -Verbose

Confirm with Enter and wait during operations. Disk optimization is now available with Windows 10 dfrgui.exe

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Tried just about all the suggested fixes with no success. Finally, Went into device manager, Removed the hard disk driver, Restarted, Voila, All good immediately. Eugene C (aviator_888)

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