How to turn on AHCI in Windows 8 and Windows 10 after installation
if you want to install windows using ahci instead of the ide, you usually need to turn on ahci in the bios / uefi first. this guide will show you how to turn on ahci in windows 8 /How to switch from RAID to AHCI without reinstalling Windows 10
sometimes ssds may not be detected by the bootable cd when in raid mode and you have to enable ahci mode. in this guide, tipsmake.com will show you how to switch from raid to ahci