- Press [Win] + R or take the RUN option from the start menu.
- Now type regedit there and press Enter Key to open up the Registry Editor Window.
- If you receive the User Account Control dialog box, click Continue.
- Locate and then click the following registry subkeys:
Loaction
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\pciide HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\msahci HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iaStorV HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iaStor HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\atapi
- click Modify on Start value.
- In the Value data box, type 0 [3 is default], and then click OK.
- Close Registry Editor.
- Restart your computer
- Go to UEFI/BIOS and enable AHCI, Save & Reboot
- Another restart will be required to finish the driver installation.
Note: You might not have the last registry key (iastor) as this is installed in the registry with the intel raid drivers, the default windows 7 raid driver uses the iastorV key.
How to Change RAID mode to ACHI mode
Posted by Mr. Golden
Posted on March 16, 2017