Turning on AHCI drivers after Windows 10 install

On Windows Vista, 7 , and 8, if you installed an SSD or hard drive in SATA mode, and not AHCI mode, when you switch to AHCI and reboot, you get a blue screen. If you were using the RAID drivers and want to switch to AHCI (my problem, because the Intel raid drivers are buggy as shit) the same result, blue screen.


The usual recommended fix in both these situations is to do a bunch of changes to the registry.

If you don’t want to play around in the registry, there is an easy way to do this under Windows 10 (should probably work on Win 8.1) with no registry changes. Here’s how to do it:

1. Run Command Prompt as Admin (right clock on the Window/start icon and choose Command Prompt (Admin)
2. Turn on Safe Mode boot: bcdedit /set {current} safeboot minimal
3. Restart Windows and enter your BIOS
4. Change from IDE to AHCI mode then Save & Exit.
5. Windows 10 will launch in Safe Mode.
6. Run Command Prompt as Admin
7. Turn off safe mode reboot: bcdedit /deletevalue {current} safeboot
8. Restart Windows and it will boot normally with working AHCI


That’s it.

Kurt Koller Written by:

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