![]() Hope this information helps let us know the status of the issue we will be glad to help you further. When Windows boots up, it will finish installing the AHCI drivers.Ĩ. You will need one final restart to finish the process after the drivers are installed. NOTE: From: Error message occurs after you change the SATA mode of the boot driveħ. Now you'll need to restart the PC and go into the BIOS and enable AHCI. Regedit, right click the entry, click Run as Administrator, enter your user credentials for the UAC prompt, and then click yes to open regedit.Ģ. In regedit navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services.ģ. In the left pane, click on msahci, in the right pane double click on Start to modify it.Ĥ. In the window that opens change the value to 0 (zero), and clickĥ. In the left pane, click on iaStorV (if there), in the right pane double click on How to back up and restore the registry in Windowsġ. In the Windows start menu search box type For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Then, you can restore the registry if a problem occurs. ForĪdded protection, back up the registry before you modify it. Therefore, make sure that you follow these steps carefully. However, serious problems might occur if you modify the registry incorrectly. I would suggest you 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.ĭisclaimer: This section, method, or task contains steps that tells you how to modify the registry. The reason why Windows disables the AHCI drivers not needed during installation. Prior to OS installation doing so after you have installed the OS will disable the PC. ![]() The issue with AHCI is it needs to be enabled in the BIOS Thank you for posting your query on Microsoft Community.ĪHCI (Advanced Host controller) makes NCQ (Native Command Queing) along with hot-plugging or hot swapping through SATA Serial-ATA host controllers possible Vista was the first to offer this feature. Question: why does the 64-bit Windows 7 Pro installer fail to install the AHCI driver, and what can I do about it? So I navigated to the appropriate AMD 圆4 IDE driver files on the Gigabyte CD, but the installer failed to load that one, too. You might think that the Win7 installer would have an appropriate driver for the AMD SATA IDE since it has one for the Samsung DVD-Writer Optical Disk Drive (obviously),īut it did not find a HDD. Then I reconfigured the motherboard BIOS for SATA IDE (with SATA 3.0), and rebooted the system. I've made numerousĪnd repeated attempts with every storage media at hand which contains a copy of the AHCI driver files, but no joy.įor what it is worth, I also ran the software on the Repair Disc that I made soon after installing Win7 Pro, and it failed to load the AHCI driver from the SanDisk Cruzer and from the Gigabyte CD, respectively. Further, before running the Win7 installer for other attempts, I connected the external USB HDD, and navigated to an archived copy of the AHCI driver on it, but the Win7 installer failed to load it. I have also removed the Win7 installation DVD, loaded the Gigabyte CD, navigated to the driver and selected it. Except that now it fails to load the AHCI driver from the SanDisk Cruzer (!). Now the Win7 installer follows the same routine, of course. To make a long story short, eventually I decided to wipe the internal HDD again, afterīacking-up the data files on an external USB HDD. So: two years later, after I began encountering various problems for which I could find neither cause nor resolution, I suspected malware or Registry corruption. Of course, I still have the Microsoft Windowsħ Pro installation DVDs, bought with a Full Retail License. Each time, the installer loaded the driver successfully without a hitch. I used that option, and the installer displayed a dialog with which I browsed to the Cruzer to select the AHCI driver. F6)ĭuring each install, the Win7 installer reported that it could not find a HDD and offered the option ![]() The GA-890FXA-UD5 (revision 2.1, BIOS ver. Prior to the first installation, I configured the Gigabyte GA-890FXA-UD5 motherboard BIOS (updated) for SATA AHCI (with SATA 3.0), and copied the AHCI driver from the Gigabyte CD onto a USB SanDisk Cruzer (4GB). Installs) before I was satisfied with the third install. In fact, I installed Win7 three times (wiping the drive with DBAN after the first and second When I built my current computer system in May 2011, I did not encounter this problem with installing 64-bit Windows 7 Pro on the new 500 GB Western Digital HDD.
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