Can I enable AHCI after installing Windows 7 in a SATA drive that was on IDE mode?
You need to make the
IastorV drivers be loaded early.
(Note: For Windows 10, the built-in driver is called
and set the value of the
Start dword to 0.
Reboot and enable AHCI in BIOS, now it should work.
Remember to create a restore point before any changes, just in case.
The same registry changes can be done via Cmd, using
reg add or
Check current parameters (and make sure the service exists):
sc qc msahci
Change the boot mode:
sc config msahci start= boot
start=is a single parameter, but