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Thank you for contacting the Intel community.
According with the report you kindly attach on the forum I can see that your BIOS is set to AHCI mode and not RAID mode, your RAID 5 is fine, but since you already installed the operating system on your SSD in AHCI mode you will need to reinstall the operating system in RAID mode.
I’m sorry that you will need to go through the process of reinstalling the operating system but if you access the bios and you just change the SATA mode to RAID your system will not boot.
I went into the BIOS, and indeed found the RST to be switched off. Once I switched that on, I did see the familiar screen during boot again (briefly) indicating it saw the configuration of the system.
Did let Windows try to boot, but found it died on me, so I switched it back/ Only installed the system last weekend, and it's finally mostly up-n-running for what I want with it. I'll leave the RST software for the moment then. Once I do find the time and want to spend the effort for a reinstall, I'll take care of that in one fell swoop.
And like always I was tempted to just leave it for now... But then it started itching... and Tuesday evening I just had to scratch that itch.
Wiped the C: drive, and reinstalled from scratch in 3 hrs.
Suffice to say... RST now works
So the solution for this (switching it on in the BIOS was the sound option
Thank you for your reply and I’m glad that it work great for you and I hope you can have better experience with your system from now on.
It's very disappointing to find the official Intel help giving bad advice!
I'm very sorry to hear that you had to reinstall Windows for no reason, you can actually change from AHCI to Raid mode without the need to reinstall Windows, you wouldn't cut off your head because you have a sore toe!
After the change above I can boot in AHCI or RAID without changing anything but the mode in the bios!
Someone posted with the same issue as you and the Intel help was vague so I answered the question.
Please read my post Ivan U, you should not be recommending a full windows reinstall when the solution is a simple registry fix!
Thank you for this valuable information you have kindly provided. I’m sorry but the information I provided is not wrong information, perhaps you can do this with your system using the registry or any other way but we don’t support registry and this are options that depends on the system it will not work because some systems can be customized by the computer manufacturer.
We appreciate your contribution on this post and I’m sure it will work great for you and for other users but for Intel the best solution is to reinstall the operating system to change from AHCI to RAID mode.