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  1.    13 Sep 2015 #21

    Quote Originally Posted by essenbe View Post
    If you look in Device Manager under IDE ATA/ATAPI Controllers and at the bottom see the AHCI drivers, you are in AHCI mode. Just make sure you are connected to a port controlled by the Chipset (0-3 is usually recommended). Here is mine.

    Attachment 37238

    Here is a Tutorial on how to do it. It works in Windows 7 and Windows 8/8.1, I haven't tried it in Windows 10 yet, but it should work.

    AHCI : Enable in Windows 7 / Vista - Windows 7 Help Forums

    I don't see that option while following the tutorial
    Attached Thumbnails Attached Thumbnails Screenshot (11).png  
      My ComputerSystem Spec
  2.    13 Sep 2015 #22
    Join Date : Oct 2013
    NW Florida
    Posts : 9,493
    Windows 10 Enterprise and Pro/Windows 7 Enterprise/Linux Mint

    That is not a part of the tutorial.
      My ComputersSystem Spec
  3.    13 Sep 2015 #23

    I think it is , the tutorial shows finding the "msahci" in regedit and my system doesn't show that file.
      My ComputerSystem Spec
  4.    13 Sep 2015 #24
    Join Date : Oct 2013
    NW Florida
    Posts : 9,493
    Windows 10 Enterprise and Pro/Windows 7 Enterprise/Linux Mint

    Look for the storahci.sys driver.
      My ComputersSystem Spec
  5.    13 Sep 2015 #25

    Quote Originally Posted by essenbe View Post
    Look for the storahci.sys driver.


    Unfortunately i don't seem to have that one on my system , don't know why . My system shows AHCI mode in BIOS though .
      My ComputerSystem Spec
  6.    13 Sep 2015 #26
    Join Date : Jul 2014
    Serbia
    Posts : 10,465
    W10 Insider + Linux

    Quote Originally Posted by fredc View Post
    Unfortunately i don't seem to have that one on my system , don't know why . My system shows AHCI mode in BIOS though .
    To show up in registry, AHCI driver has to be installed first. Probably iastor.sys
      My ComputersSystem Spec
  7.    13 Sep 2015 #27
    Join Date : Oct 2013
    NW Florida
    Posts : 9,493
    Windows 10 Enterprise and Pro/Windows 7 Enterprise/Linux Mint

    Mike, in IDE mode, the AHCI drivers are not installed. The registry edit 'forces' Windows to load them. A start value of 3 is not loaded. Changing it to 0, makes it load them if you reboot and change the BIOS to AHCI. That's really the whole purpose of the tutorial. I have always wondered why you couldn't install Intel Rapid Storage which contains iaStorV which is the Intel AHCI driver, then change the BIOS value.Maybe you could, I have just never tried it.
      My ComputersSystem Spec
  8.    13 Sep 2015 #28
    Join Date : Jul 2014
    Serbia
    Posts : 10,465
    W10 Insider + Linux

    Quote Originally Posted by essenbe View Post
    Mike, in IDE mode, the AHCI drivers are not installed. The registry edit 'forces' Windows to load them. A start value of 3 is not loaded. Changing it to 0, makes it load them if you reboot and change the BIOS to AHCI. That's really the whole purpose of the tutorial. I have always wondered why you couldn't install Intel Rapid Storage which contains iaStorV which is the Intel AHCI driver, then change the BIOS value.Maybe you could, I have just never tried it.
    Not sure about Intel but have done it an AMD systems.
      My ComputersSystem Spec
  9.    30 Sep 2015 #29
    Join Date : Sep 2015
    Posts : 1
    Windows 10

    I just registered to say that after entering the first command and restarting the computer, it won't turn on anymore. After it posts, I get no display and basically, nothing works. I've tried switching the sides of the battery, replacing the RAM and a bunch of other stuff.
    Do NOT follow this if you don't want to risk screwing your PC up.
    If anyone had the same problem as me and found a solution, please contact me.
      My ComputerSystem Spec
  10.    30 Sep 2015 #30
    Join Date : Jul 2015
    Posts : 267
    Windows 10

    Quote Originally Posted by essenbe View Post
    Mike, in IDE mode, the AHCI drivers are not installed. The registry edit 'forces' Windows to load them. A start value of 3 is not loaded. Changing it to 0, makes it load them if you reboot and change the BIOS to AHCI. That's really the whole purpose of the tutorial. I have always wondered why you couldn't install Intel Rapid Storage which contains iaStorV which is the Intel AHCI driver, then change the BIOS value.Maybe you could, I have just never tried it.


    It works exactly as you have assumed. I have done it in Windows 7 and recently in Windows 10 when I played with a raid set up and then switched back to a single SSD. Obviously I had to change my bios setting before rebooting into the single SSD mode.
      My ComputerSystem Spec

 
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