Windows 8 and 8.1 Forums


Changing IDE to AHCI caused no boot

  1. #31


    Posts : 185
    W10 Pro/W8.1 Pro/ W7 Ult


    Now, I think I know how it works. A little bit of my knowledge about command session interfered me to follow the tutorial.
    I feel lot better now knowing that the Safe Mode can be added after no-boot happens.
    Thanks again.

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  2. #32


    Posts : 22,576
    64-bit Windows 10


    You're most welcome mate.
      My System SpecsSystem Spec

  3. #33


    Sure its an old thread but reffering to the thread title,i did the swap from ide to ahci mode,following saltgrass's little tutorial.Booted just fine,but i am having the ''safely remove hardware etc'' icon at the taskbar (kind of weird),both my internal drives are not considered as usb devices by windows,something else wrong?
    Admin,i seem not to have HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\storahci\StartOverride in my registry,care to help me out
      My System SpecsSystem Spec

  4. #34


    Quote Originally Posted by Brink View Post
    In that case, look for this in the registry instead in Windows 8.

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\storahci\StartOverride


    Change the 0 DWORD value from 3 to 0.

    Reboot, and change your SATA controller to AHCI in BIOS.

    You will boot into Windows with AHCI drivers.
    I had an issue whereby after a Windows update my PC wouldn't boot. I have an ASUS MB with a 775 socket running W8.1. I had installed an SSD and set the BIOS to AHCI. All fine until two days ago when I rebooted after Windows updates and could no longer boot. Long story short I swapped the HDD and saw the same issue but when I plugged the original SSD into another machine it booted fine. So I plugged an IDE into my machine and changed the BIOS SATA to IDE. Booted fine. I then put my SSD back (leaving the BIOS as IDE) and booted OK. Changed back to AHCI and boot failure. Applied the above fix and booted again (with AHCI set in BIOS as suggested) boots fine now. NB Post reboot the StartOverride reg entry is no longer there.

    Thanks very much indeed.
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  5. #35


    Posts : 22,576
    64-bit Windows 10


    Glad it could help, and welcome to Eight Forums.
      My System SpecsSystem Spec

  6. #36


    Quote Originally Posted by Brink View Post
    Glad it could help, and welcome to Eight Forums.
    Thanks. I am a network manager in a school and am used to reg frags. However that issue was on my own machine which is not part of any Domain and extremely well looked after if a little old!! I would love to know HOW that fixed it..... I am guessing it forced a driver reload but how come that wasn't done automatically? I looked at all the drivers in device manager and they all said 2009 or earlier. What does that reg actually do?

    Regards
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  7. #37


    Posts : 22,576
    64-bit Windows 10


    It changes your SATA controller to AHCI or IDE.

    3 = IDE
    0 = AHCI
      My System SpecsSystem Spec

  8. #38


    Posts : 1
    windows 8.1 pro


    I have been having the same problem with AHCI, both in 8 & 10. It does not allow me to install with the bios set to ahci, only native ide. When I switch to ahci after the install I get the "You're PC has run into a problem" screen and it reboots. This would loop indefinitely if I allowed it. I went to try the registry hack, and before it rebooted into safe mode I switched to ahci. I was then greeted with a blank screen with a blinking cursor. After waiting 5 min I rebooted and reset to native IDE and it booted into safe mode. I applied the changes to the registry, rebooted, switched to ahci in bios, and booted. I was again greeted with a blank screen and a blinking cursor. What now?
      My System SpecsSystem Spec

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Changing IDE to AHCI caused no boot
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