Then, click on "Device Manager" in the left column. To access Device Manager, open File Explorer and right click "Manage" on "Computer".
If you look in Windows 7's Device Manager, these are the controllers currently in use. 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. Hence this blue STOP screen displayed at startup.
#STANDARD AHCI 1.0 SERIAL ATA CONTROLLER DRIVER INSTALL#
So, when the controller mode is set to IDE and you install Windows 7, the AHCI driver is automatically disabled. Indeed, when you install Windows, any driver which will not be used by Windows 7 will be automatically deactivated. The Windows 7 logo appears at startup.Ī problem has been detected and Windows has been shut down to prevent damage to your computer. You change the controller mode in your computer's BIOS from IDE (or : ATA) to AHCI, for better performance. However, you cannot change controller mode without first performing some manipulations in the Windows 7 registry. By default, motherboards are configured with an IDE controller mode (to improve compatibility with various existing operating systems).Īlthough it works without problem, it's still preferable to use the AHCI (Advanced Host Controller Interface) which allows to benefit from new features and which makes it more efficient.
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