AHCI

Windows 10

Enable safe mode:

bcdedit /set {current} safeboot minimal

or:

bcdedit /set safeboot minimal

Enable AHCI in the BIOS. Boot into safe mode. Clear the safemode boot:

bcdedit /deletevalue {current} safeboot

or:

bcdedit /deletevalue safeboot

Reboot normally.

Caution: bcdedit changes the boot configuration.

Windows XP

To test. See [how to enable AHCI mode for SATA in the BIOS without reinstalling Windows](https://hetmanrecovery.com/recovery_news/how-to-enable-ahci-mode-for-sata-in-the-bios-without-reinstalling-windows.htm).

Under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\:

iaStorV

start 0. Under StartOverride, value 0 is 0.

storahci

start 0. Under StartOverride, value 0 is 0.

Updated: 2026 Aug 19