Hi.

I have a Dell Inspiron 7791 with 512gb pci & 32gb Optane, and Windows 10 Pro.

I have 2 questions:

1.The machine was set up with RAID. I don't understand why. How does RAID work with a single drive?

I will want to add a SATA SSD in the near future, and I do not want to be using RAID.

2. In an attempt to to change from RAID to AHCI, I was told to go to the CMD prompt and change the registry to Safe Mode: bcdedit /set {current} safeboot minimal

Then in the BIOS I made the change from RAID to AHCI.

When I exited the BIOS, Windows tried to do a repair and failed, no doubt because of the change from RAID to AHCI.

So I ended up re-installing from the hidden system file as delivered. That started a process which eventually tried booting into Windows. However, I got a message saying it could not complete the repair with Windows in Safe Mode. So I am locked out of Windows.

Crazy me - but that is the situation I am in.

The question: Is it possible to get to CMD prompt to enter: bcdedit /deletevalue {current} safeboot
without going through Windows, because I no longer have an operational Windows as the repair never completed?

I did have some sense to do a Macrium clone of the 512gb pci. So if I have to, I can go through that process.

Thanks,

M...