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This tutorial will show you how to enable AHCI after you have installed the OS if you didn't already have AHCI enable in the BIOS when you installed the OS.
Below we will explain how to check if AHCI mode is enabled and how to safely enable it without reinstalling Windows 10 or 7 and avoid BSOD. Don't think that AHCI mode is useless for you.
These instructions assume you have Windows 7 already installed and the SATA channels are configured in IDE mode. If you want to change to AHCI mode without reinstalling, follow the instructions below. The reason you would want to do this is to make the SATA drives "Plug and Play" in Windows.
To solve the problem, all you have to do is reactivate this AHCI driver in the Windows registry before changing the controller mode to AHCI in the BIOS of your motherboard. If you look in Windows 7's Device Manager, these are the controllers currently in use.
Installs the Intel® Rapid Storage Technology (AHCI) driver version 12.9.0.1001 for Intel® NUC. Which file to choose Download the driver (STOR_Win7_8_8.1_12.9..1001.exe) and one of the following F6 Driver Diskettes (depending on your operating system): STOR_Win7_8_8.1_12.9..1001_f6flpy-x86.zip- for 32-bit versions of the operating system
Advanced Host Controller Interface (AHCI) is a technical standard defined by Intel that specifies the operation of Serial ATA (SATA) disk controllers. When it is supported by your operating system and PC hardware, you will get the benefits of features such as native command queuing and hot swapping.
IDE mode uses a single set of commands to control both the hard drive and the interface. AHCI (Advanced Host Controller Interface) mode is the modern standard for SATA hard drives. AHCI mode provides faster communication between the hard drive and the interface, as well as support for advanced features such as Native Command Queuing and hot ...
A little guide: I am receiving a lot of emails from users who bought a SSD drive, installed Windows 7 in IDE mode and then realize they need AHCI mode for faster SSD performance.
Select the drive you have the SATA or AHCI driver folder on and click on it, then they should install. With Intel drivers, these will be in separate folders for "Floppy x86" and "Floppy x64", these are the drivers for AHCI. The Windows 7 will automatically load the proper driver for the chipset being used. As far as AMD drivers, I'm not sure.
According to Microsoft KB 922976, run Fix it 50470 or open regedit, navigate to one of these keys:. HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\msahci; HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\IastorV; and set the value of the Start dword to 0.. Reboot and enable AHCI in BIOS, now it should work.