Windows 10: Enable AHCI in Windows 8 and Windows 10 after Installation  

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  1. Posts : 22,223
    64-bit Windows 10 Pro build 16241
    Thread Starter
       10 Oct 2016 #60

    John,

    Yep, it's not there. To add it:

    1) Right click on the iaStorAV key, click on New and Key, type StartOverride for the name, and press Enter.

    2) In the right pane of the new StartOverride key, right click on an empty space, click on New and DWORD (32-bit) Value, type 0 (number zero) for the name, and press Enter.
      My ComputersSystem Spec


  2. Posts : 11
    64 bit windows 10 pro
       10 Oct 2016 #61

    Thanks Brink
    after adding the missing key and following the tutorial isit likely i'll meet with success?
      My ComputerSystem Spec


  3. Posts : 22,223
    64-bit Windows 10 Pro build 16241
    Thread Starter
       10 Oct 2016 #62

    You should.
      My ComputersSystem Spec


  4. Posts : 11
    64 bit windows 10 pro
       12 Oct 2016 #63

    Brink said: View Post
    John,

    Yep, it's not there. To add it:

    1) Right click on the iaStorAV key, click on New and Key, type StartOverride for the name, and press Enter.

    2) In the right pane of the new StartOverride key, right click on an empty space, click on New and DWORD (32-bit) Value, type 0 (number zero) for the name, and press Enter.
    What should I do about the StartOverride key DWORD value in the iaStorV key ?
      My ComputerSystem Spec


  5. Posts : 22,223
    64-bit Windows 10 Pro build 16241
    Thread Starter
       12 Oct 2016 #64

    You'll still do steps 3 to 5 for it.
      My ComputersSystem Spec


  6. Posts : 11
    64 bit windows 10 pro
       12 Oct 2016 #65

    Brink said: View Post
    You'll still do steps 3 to 5 for it.
    Sorry to bug you with so many questions but I want to make sure I get it right this time.
    In the screenshot for steps 3-5 in the tutorial the iaStorV key does not show the StartOverride key but in my system it does.
    Does it not belong there? If it does, how to treat it?
      My ComputerSystem Spec


  7. Posts : 22,223
    64-bit Windows 10 Pro build 16241
    Thread Starter
       12 Oct 2016 #66

    It's no bother at all. You don't add the StartOverride key for steps 3-5. You would only do so for step 6 if not there.
      My ComputersSystem Spec


  8. Posts : 11
    64 bit windows 10 pro
       12 Oct 2016 #67

    Brink said: View Post
    It's no bother at all. You don't add the StartOverride key for steps 3-5. You would only do so for step 6 if not there.
    So then I would leave the StartOverride key in iaStorV alone? The value is currently set to 3.

    Interestingly when I checked my Lenovo P300 system at home which also has an 850 EVO SSD the StartOverride keys in iaStorAV and iaStorV are both set to 3, yet when looking at The Samsung Magician software it shows AHCI is enabled.
      My ComputerSystem Spec


  9. Posts : 22,223
    64-bit Windows 10 Pro build 16241
    Thread Starter
       12 Oct 2016 #68

    I'd go ahead and change it to "0" (zero) since it's already there.
      My ComputersSystem Spec


  10. Posts : 11
    64 bit windows 10 pro
       13 Oct 2016 #69

    Brink said: View Post
    I'd go ahead and change it to "0" (zero) since it's already there.
    Thanks Brink, Looks good, system started shows AHCI enabled in Samsung Magician.
    Would you recommend enabling Samsung's RAPID mode for better performance?
      My ComputerSystem Spec


 
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