How to enable AHCI in Windows 7 after installation as ATA

OS Windows 7 To enable AHCI (Advanced Host Controller Interface) after Windows 7 is installed with ATA mode, do the following: Start Windows 7 Run Registry Editor Go to: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Msahci Change the “Start” value from 3 to 0 Reboot and go to the BIOS immediately Set BIOS to AHCI The next time Windows 7 loads, … Read more