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

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  1. Brink's Avatar
    Posts : 18,109
    64-bit Windows 10 Pro build 15031
       2016-10-13 #70

    If you have Windows installed on a SSD, then it probably won't be worth enabling.

    If you think you could spare the RAM that it'll allocate, it won't hurt to try and see if you notice any performance difference with it enabled.

    If you don't notice any difference, then you could just disable it again to free up the RAM.
      My System SpecsSystem Spec

  2.    2016-10-16 #71

    Just registered here to mention the same bug/error. Purchased a 850 Evo just two days back and when I first installed the Magician app from the given CD in the box there was no AHCI error, but Rapid Mode was not clickable, then found the latest 4.9.7 on Samsung's website, then Rapid Mode was clickable but AHCI shows as deactivated.

    ROFL.
      My System SpecsSystem Spec

  3.    2016-10-16 #72

    If you cannot boot after the change, CHECK you BOOT DRIVE settings in BIOS. My normal boot drive changed after I changed to AHCI so I had to change it back and it then worked.
      My System SpecsSystem Spec

  4.    2016-12-20 #73

    Hi brink, im curious to know if i can use the features you are talking about above here are my specs http://speccy.piriform.com/results/3...S85Tg0JatD0A66

    The style of laptop is HP 15 f272wm
      My System SpecsSystem Spec

  5.    2016-12-20 #74

    Sorry brink i thought you were talking about the ahci power link

    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\0012ee47-9041-4b5d-9b77-535fba8b1442\0b2d69d7-a2a1-449c-9680-f91c70521c60]
    "Attributes"=dword:00000002

    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\0012ee47-9041-4b5d-9b77-535fba8b1442\dab60367-53fe-4fbc-825e-521d069d2456]
    "Attributes"=dword:00000002
      My System SpecsSystem Spec

  6. Brink's Avatar
    Posts : 18,109
    64-bit Windows 10 Pro build 15031
       2016-12-20 #75
    Last edited by Brink; 2016-12-20 at 15:11.
      My System SpecsSystem Spec


  7. Posts : 3
    Windows 10 64 bit
       2016-12-28 #76

    New SSD and no AHCI Mode - Windows 10 64 bit


    Hi Shawn, I just put in a Samsung SSD and it works great, but with this usual problem. Samsung says a clean install is the only way--ack!! Reinstall over 100 programs!!! Any updates on this procedure? My BIOS currently says my SSD is running in SATA mode, not IDE.

    Thank you!!!
      My System SpecsSystem Spec

  8. Brink's Avatar
    Posts : 18,109
    64-bit Windows 10 Pro build 15031
       2016-12-28 #77

    Hello Jim, and welcome to Ten Forums.

    You would want to run a SSD in SATA. IDE is the old slow wide ribbon cable connection instead.

    What does Windows show that you currently have set in the registry?
      My System SpecsSystem Spec


  9. Posts : 3
    Windows 10 64 bit
       2016-12-28 #78

    Brink said: View Post
    Hello Jim, and welcome to Ten Forums.
    You would want to run a SSD in SATA. IDE is the old slow wide ribbon cable connection instead.
    What does Windows show that you currently have set in the registry?

    I think I wasn't clear enough. I was referring to changing my CMOS from SATA to AHCI mode so that my SSD will work at a higher speed, as samsung advises. This is in reference to a post by Shawn AHCI - Enable in Windows 8 and Windows 10 after Installation

    This is a delicate procedure and I want to know if it's really advisable and if there are any updates.

    Thank you :-)
      My System SpecsSystem Spec

  10. Brink's Avatar
    Posts : 18,109
    64-bit Windows 10 Pro build 15031
       2016-12-28 #79

    You should be able to do so using the method in the tutorial without having to reinstall everything. Of course, I would recommend to back up anything that you don't want to lose just to be extra safe.
      My System SpecsSystem Spec


 
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