Windows Misidentifies C Drive as Solid State Drive - cannot defrag?

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  1. dalchina
    Posts : 42,989
    Win 10 Pro (22H2) (2nd PC is 22H2)
       New #11

    Mm, worth researching... and checking for RAID-specific experiences. Maybe you can start a new thread with RAID in the title so people with that expertise will see it?
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  3. spartiat
    Posts : 1
    Windows 10 Pro
       New #12

    Same situation here. after upgrade from Windows 8.1 to Windows 10, only one pair of RAID 0 disks identified as Solid State Drive.

    1st pair: 2 x WD 500 GB SATA 3 > has 4 partitions, all of them identified as "Solid state drive"
    2nd pair: 2 x Seagate 500 GB SATA 3 > has 2 partitions, all of them identified as "Hard disk drive"
    3rd pair: 2 x Seagate 500 GB SATA 2 > has 2 partitions, all of them identified as "Hard disk drive"
    All pairs on the same controller.

    Windows Misidentifies C Drive as Solid State Drive - cannot defrag?-2015-11-12_14-51-19.jpg
    Last edited by spartiat; 12 Nov 2015 at 08:05. Reason: text corrections
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  4. Almighty1
    Posts : 1,091
    Windows XP/7/8/8.1/10, Linux, Android, FreeBSD Unix
       New #13

    See this thread, as they had the same problem and fixed it:
    Solved Win 10 Optimize Drives say I have SSD when in fact it is a HDD - Windows 10 Forums
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  6. gwidion
    Posts : 1
    Win 10
       New #14

    fix SSD incorrectly identified


    I just renamed the disk, under disk properties, General tab, and it correctly identified mine as not an ssd.
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  7. 1harleyann
    Posts : 1
    Windows 10
       New #15

    Flame Red said:
    Solution!

    Run WinSat formal in elevated command prompt and it rescans the disks and resets the disk back to normal disk drive :)
    Just to say thank you. Initialized HP Laptop and reloaded Windows 10. Within 24 hours Drive F appeared. Would not allow me to optimize it. Ran "WinSat formal" and noticed Drive F was still appearing in Windows Explorer, but as soon as I rebooted, it was gone.
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  8. fisticuffs
    Posts : 1
    Windows 10 20H2
       New #16

    Flame Red said:
    Solution!

    Run WinSat formal in elevated command prompt and it rescans the disks and resets the disk back to normal disk drive :)
    Thank you for posting the solution, worked for me cloning from a nvme to a platter hard drive and was unable to defrag. Its nice when people that actually post the solutions instead of just saying "I got it figured out."
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