I personally have used other ways to do this. Manipulating some registry settings in combination with a safe boot before booting normally does the trick as well. This works with both SATA SSD and M.2 NVMe drives and it enables relatively fast switching between back and forth between AHCI and RAID. I have described this method below. I have also tried the same process used to switch from RAD to AHCI and that works as well. Switch to safe boot Reboot into BIOS Change from AHCI to RAID in the BIOS Boot into safe mode Turn off safe mode and reboot normally again Nothing else and that also did the trick, just like with moving from RAID to AHCI. So the link above and my step by step below is here for completeness. You have options in case one of them doesn’t work! Step by step AHCI to RAID registry method This procedure I describe below works on Windows 10 1803/1809 and has been tested on Dell Latitude E6220 an XPS 13 9360. Editing the registry is...