Windows 8 and 8.1 Forums


SSD Detection under Windows 8

  1. #1


    Hopewell, NJ USA
    Posts : 1
    Windows 7 Professional

    SSD Detection under Windows 8


    Greetings! I'm about to do some "cloning" of Windows 8 HDDs to SSDs and have a quick question.

    WIn7 used some crude method at build time to determine whether the build volume was an SSD or not. Once the build was done, any change in storage family for the OS-based drive (i.e. HDD to SSD cloning) would not be detected... many changes would be required to get TRIM, etc. to function properly on the new SSD.

    Does Windows 8 use a drive family detection method that is dynamic enough to do proper drive discovery following these types of storage operations. or will I have to "tweak" the heck out of it to get everything optimal again for the new SSD?

    Thanks in advance for all your help with this...

      My System SpecsSystem Spec

  2. #2


    Redmond
    Posts : 651
    Windows 8.1 x64


    I'm not sure how running winsat diskformal on Windows 7 was necessarily difficult, but assuming you had a second-gen SSD drive you shouldn't have had to tweak anything to have Windows 7 work properly on an SSD. Remember that moving the OS without running sysprep is technically not something Microsoft supports, so it's not surprising they didn't create a way on Windows 7 to detect that you've changed the boot medium to a totally different storage medium without running sysprep. In any case, I'm checking but I believe that Windows 8 will still detect an SSD at build time, but if you change storage without running sysprep you'll have to run the winsat command again (at least) to get it to update the information and set the drive up as an SSD instead of a mechanical disk.

    Given winsat should be run at build time or after sysprep for a number of things (not just detecting disk parameters and performance), you should consider doing it anyway when you change system components it measures.
      My System SpecsSystem Spec

  3. #3


    I thought that with Win7, if you ran the WEI test, it would detect the SSD and make necessary system settings adjustments (enable TRIM, turn of defrag, etc). Does that occur with Win8? (Did it really occur with Win7, or is that an urban myth?)
      My System SpecsSystem Spec

  4. #4


    No changes were or are needed to get trim on W7 for a single drive. Have no idea what you are on about bud.

    Most likely all your so called tweaks did was slow you down as well.

    I have never seen w7 or w8 for that matter not know that it is dealing with an ssd.
      My System SpecsSystem Spec

  5. #5


    Redmond
    Posts : 651
    Windows 8.1 x64


    Quote Originally Posted by wpcoe View Post
    I thought that with Win7, if you ran the WEI test, it would detect the SSD and make necessary system settings adjustments (enable TRIM, turn of defrag, etc). Does that occur with Win8? (Did it really occur with Win7, or is that an urban myth?)
    Yes, that's how it works on Windows 7 (and Windows 8 as well).
      My System SpecsSystem Spec

  6. #6


    On Win7 and Win8, my SSD was detected (TRIM set to "On"), but on Win7, Defrag was set to run on schedule and on Win8, Defrag was turned off for the SSD.
      My System SpecsSystem Spec

SSD Detection under Windows 8
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