Windows 10: Attn. SSD owners - Enabling AHCI mode AFTER Windows 10 installation. Solved

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  1.    18 Aug 2016 #61

    Registered just to say Thank You.
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  2. Posts : 5
    Windows 10 Home Edition 64bit
       28 Aug 2016 #62

    As i read all the stuff i noticed some AMD users having some problems while trying to change to AHCI. As AMD user i will also try and share here if it works but before i try i would like to know the worst case scenario.

    If it can not damage some components like chipset or ssd(just the Windows software is okey) i will give it a shot since i already made a system image to my external harddrive.
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  3.    28 Aug 2016 #63

    Umut said: View Post
    As i read all the stuff i noticed some AMD users having some problems while trying to change to AHCI. As AMD user i will also try and share here if it works but before i try i would like to know the worst case scenario.

    If it can not damage some components like chipset or ssd(just the Windows software is okey) i will give it a shot since i already made a system image to my external harddrive.
    Ahci drivers for AMD systems come with GPU drivers and appear in registry by it's name.
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  4. Posts : 5
    Windows 10 Home Edition 64bit
       28 Aug 2016 #64

    I tried this an hour ago and everything is fine so far.

    Thanks for the trick Toobad!
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  5.    04 Sep 2016 #65

    I have ASUS S400CA laptop. It came with HDD. I changed it to SSD in windows 8.1 itself and upgraded to windows 10. I am not sure what was the state before anniversary upgrade. Now UEFI shows SATA mode as AHCI(option AHCI/IDE). But Samsung magician says Deactivated (IDE or RAID). AHCI Mode required for the best SSD performance. I went through these pages and checked and updated Intel drivers. It did not show any update for AHCI. Further regedit showed that there is no msahci in HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services.
    How to proceed to set the magician right for AHCI.
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  6.    04 Sep 2016 #66

    lvgandhi said: View Post
    I have ASUS S400CA laptop. It came with HDD. I changed it to SSD in windows 8.1 itself and upgraded to windows 10. I am not sure what was the state before anniversary upgrade. Now UEFI shows SATA mode as AHCI(option AHCI/IDE). But Samsung magician says Deactivated (IDE or RAID). AHCI Mode required for the best SSD performance. I went through these pages and checked and updated Intel drivers. It did not show any update for AHCI. Further regedit showed that there is no msahci in HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services.
    How to proceed to set the magician right for AHCI.
    @lvghandi some systems using Magician have problems since AU , you do not need Magician though so it can be uninstalled .

    see this thread about it here:
    Widespread AHCI issues in Samsung Magician since Win10 1-year update - Windows 10 Forums
    or
    does samsung magician show ahci disabled with signed driver error on - Windows 10 Forums
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  7.    04 Sep 2016 #67

    Kbird said: View Post
    @lvghandi some systems using Magician have problems since AU , you do not need Magician though so it can be uninstalled .

    see this thread about it here:
    Widespread AHCI issues in Samsung Magician since Win10 1-year update - Windows 10 Forums
    or
    does samsung magician show ahci disabled with signed driver error on - Windows 10 Forums
    Thanks for the response.
      My ComputerSystem Spec


  8. Posts : 1
    Windows 10 / Arch Linux
       26 Sep 2016 #68

    Just posting to say this worked for me, with Windows 10 and an Sandisk Ultra 960GB SSD:
    I'd forgotten to enable AHCI in my ASRock motherboard when I installed the OS.

    The only thing I did differently was not use the tedious command prompt method of switching to safe mode.
    Instead, I pounded frantically on shift-F8 the moment the BIOS screen finished loading, like a real man.
      My ComputerSystem Spec

  9.    16 Oct 2016 #69

    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.
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  10.    17 Oct 2016 #70

    I successfully used this approach to switch my motherboard SATA setting from AHCI to RAID. In the process, my login switched to password mode but it was easily switched back to PIN mode by clicking on the text underneath the password text box.
      My ComputerSystem Spec


 
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