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System Configuration - SATA Operation

I am trying to enable AHCI for a "secondary system experiment" so that the drives will be recognized in the installer. Thing is, when I enable AHCI windows won't boot at all. The BIOS warns upon the change that I might have to reinstall Windows all over again with AHCI enabled this time. Is this true?

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  • "won't boot at all" - what exactly happens? "It says that I might have to reinstall Windows all over again with AHCI enabled this time" - what says so? An exact quote would be helpful.
    – gronostaj
    Mar 29, 2018 at 7:30
  • The BIOS issues a warning upon changing the option. Then when it tries to boot it just keeps loop restarting to the DELL logo
    – Kyri acos
    Mar 29, 2018 at 10:56

1 Answer 1

Reset to default
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Switch back to IDE in your BIOS so it will boot.

Start REGEDIT and look for this path:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\storahci\StartOverride

Change the 0 DWORD value from 3 to 0.

Shut down, go back to your BIOS and switch it to AHCI.

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  • There is no option for IDE as you can see from the screen shot. I am able to boot since I went to the BIOS and changed it back to RAID ON option. Should I still try your recommendation?
    – Kyri acos
    Mar 29, 2018 at 11:01
  • @Kyriacos I guess that daidai meant RAID On rather than IDE.
    – myrdd
    Aug 31, 2018 at 9:19

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