Windows 10 no longer boots

I have a major problem after updating BIOS on my ASUS P9P67 (Rev. 3.1) motherboard to version 3602, as Windows 10 Pro will no longer boot.  After the update, my BIOS settings were wiped (as was to be expected) and my Intel software RAID 1 OS volume was reading as individual disks.  After fixing a BCD issue, I was able to boot into Windows, however the OD RAID disks were being read as individual disks.  So I rebooted, and changed the SATA mode to RAID (from AHCI).  After that the RAID volume was read correctly, but Windows would no longer boot.  Now I am receiving the following message:

An operating system wasn't found.  Try disconnecting any drives that don't contain an operating system.

If I boot to a Windows 10 recovery drive and access the command prompt, I cannot see any Windows installations when running bootrec /scanos.  I took a system image of my Windows 7 system before upgrading to Windows 7, and I can see that image from Windows 10 recovery (Troubleshoot -> Advanced Options -> System Image Recovery).  However, when I try to use it to recover, I get the following error:

The system image restore failed:

Error details: The processor architecture or OS version of Windows Recovery Environment is not the same as that of the computer that was backed up.  For example, a backup of an Vista x64-based computer can be recovered only by using an Vista x64-based version of Windows recovery.

Clearly, this is because I am attempting to use Windows 10 recovery media to recover a Windows 7 image.  However, if I boot to my Windows 7 recovery media and attempt to recover the Windows 7 system image, I get the following error:

An internal error occurred. The following information might help you resolve the error:

The system cannot find the file specified. (0x80070002)

I have done some digging on this error code and cannot find anything helpful.  Can someone please help me with this?  I am totally cool with going back to Windows 7 if it means I can recover my data.  I don't understand why I can't run Windows 7 system image recovery, but if I was to install a fresh copy of Windows 7, should I then be able to recover my system image then?
Dustin23IT DirectorAsked:
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You may be past this, but Lincoln Spectre had an article about this in September.  Check it out for cluse:
Dustin23IT DirectorAuthor Commented:
Yeah @pjam, the Windows 10 recovery drive is what I have been working from trying to get Windows repaired.
First of all, never use those crappy fakeraid controllers in RAID mode. OS built-in RAID is much more reliable and performs far better. If I were you I'd grab the chance you just got and reinstall Windows 10 to one of the disks using AHCI mode, then within Windows Diskmanagement, create your RAID array.
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Dustin23IT DirectorAuthor Commented:
This is a good idea since I am getting a new motherboard soon.  This will not cause an issue if mirroring the OS volume?

I do think, however, that I will reinstall Windows 7 so I can revert to my Windows 7 backup image.  Then I can upgrade to Windows 10 again.
You don't need to install Windows 7 first. Once you have upgraded a PC to Windows 10 successfully and it is activated, you can just install Windows 10 again from scratch on that same machine. When you get asked for the product key, just skip that step (you get asked at least twice). Once the OS is installed and you have an internet connection, it will just reactivate automatically.

If you change the mainboard OS software RAID actually is much simpler to move than the controller's RAID. Depending on the manufacturer and model of the controller, it may not even recognize the contents of the disks. With OS RAID the controller makes no difference.

But you will have different issues, not caused by mirroring, but rather caused by the license. Your OS is licensed to the PC, and when you change the mainboard it is like a new PC and the license won't be valid any longer. You will then have to call M$ and explain you changed the board, and if your lucky, they may issue with a new key. Also if your current license is OEM, you can only hope to get a new key in the EU and Switzerland. So expect to have to buy a new Windows license along with the new board.
Dustin23IT DirectorAuthor Commented:
This is a machine I built myself, not OEM.

I ended up finding a Windows 7 install disk.  Using it, I was able to reload my Windows 7 system image.  Once that completed, everything was fine.  Apparently there was an issue with the Windows 7 recovery USB drive I created...

On the subject of fakeraid, Rindi, after reading up on Intel RST I do not believe the term fakeraid applies here.  Many people seem to trust Intel RST, and there are actually a lot of PC manufacturers that use onboard Intel RAID for their systems.  Yes, a dedicated RAID controller would definitely be better, but I do not believe Intel RST is an undesirable option for those unwilling to purchase a separate card.  Also, since many motherboard manufacturers utilize Intel RST, it is almost as simple to move an Intel RAID array to a new board as an array built on a separate controller.

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Dustin23IT DirectorAuthor Commented:
I found the repair disk I was needing and used it to reload my backed up system image.  I was not willing to reinstall Windows for fear of losing data.
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