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

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  1. Posts : 22,130
    64-bit Windows 10 Pro build 16241
    Thread Starter
       04 Feb 2016 #30

    rseiler said: View Post
    What is it about? I've never heard of a system, once switched successfully, suddenly become resistant to it and want to switch back.
    Could be corruption, or some issue with the driver or hard drive itself. Possibly even BIOS getting reset back to default settings using IDE with Windows still set to AHCI if a dead CMOS battery.
      My ComputersSystem Spec

  2.    04 Feb 2016 #31

    rseiler said: View Post
    What is it about? I've never heard of a system, once switched successfully, suddenly become resistant to it and want to switch back.
    When I upgraded to W10 last year, I made one change to my desktop. Installing an SSD drive as my primary drive, with an IDE drive as secondary. I wasn't aware of changing BISO to AHCI until sometime after. Since that time I've followed a couple of directions how to take advantage of AHCI in the BIOS thru registry or Safeboot options. But each time I make the change, and after a few days or week, my desktop grinds to a halt. It takes time just to reboot it, and when I do, changing BISO back to IDE fixes the problem.

    I can only surmise that installing W10 from scratch, with AHCI active in BIOS, might finally fix the issue.

    Any other suggestions are welcome. Thx.
      My ComputerSystem Spec


  3. Posts : 22,130
    64-bit Windows 10 Pro build 16241
    Thread Starter
       04 Feb 2016 #32

    Mixing IDE and SATA drives is the problem. It's best to only have SATA connected.
      My ComputersSystem Spec

  4.    04 Feb 2016 #33

    Thanks. I updated the SSD driver via Intel's utility when I installed the drive. It was previously used as an external backup drive with no issues.
    Think flashing the BISO to make sure its current/not corrupted would be a positive step? Maybe also reset CMOS and replace the battery? I haven't seen any issues with respect to CMOS.
      My ComputerSystem Spec


  5. Posts : 22,130
    64-bit Windows 10 Pro build 16241
    Thread Starter
       04 Feb 2016 #34

    Usually the only way to sort that is to only have the SATA drive connected, and remove all IDE drives.
      My ComputersSystem Spec

  6.    04 Feb 2016 #35

    OK. I'll see if I can connect drives just via SATA. Thanks for the help.
      My ComputerSystem Spec


  7. Posts : 22,130
    64-bit Windows 10 Pro build 16241
    Thread Starter
       04 Feb 2016 #36

    You're welcome. Please let us know how it went.
      My ComputersSystem Spec


  8. Posts : 1
    Windows 10 and OS X El Capitan
       23 Mar 2016 #37

    Worked perfectly. Thank you!
      My ComputerSystem Spec


  9. Posts : 22,130
    64-bit Windows 10 Pro build 16241
    Thread Starter
       23 Mar 2016 #38

    I'm glad it could help Davis, and welcome to Ten Forums.
      My ComputersSystem Spec

  10.    25 Apr 2016 #39

    Confirmed this "automatic" method: Solved Attn. SSD owners - Enabling AHCI mode AFTER Windows 10 installation. - Windows 10 Forums to work for my ASUS G752VY to switch from RAID to AHCI.
      My ComputerSystem Spec


 
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