Well this has got a bit stranger.Ran Macrium Disk (all options) repair but that seemed to make no difference.

I cloned my main ssd (256gb) to the spare drive I was formatting for safety reasons,...

I was thinking of making E the active partition in Disk Management....instead of F. (any comments)
Regarding UEFI bios - I did think it was booting from EUFI, - how can you tell? Is it ok just to...

I am trying to get my head round the 6 steps above before having a go. If you can expand on them it may give me a bit more confidence. I cant lose the whole contents of my PC.
Have attached details...

Looking at this it looks like the boot partition is on one drive and the windows installation is on another, or am I just being a bit dim?
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Ignore the drive that is formatting - just...

I did try that but no difference.

Yes, just the 256gb drive. I am now edging towards a rebuild, which is going the be a challenge, trying to find all the serials, and hoping they still work...

I tried the Macrium Rescue CD with no luck.
I also tried a Boot repair from the Win 10 CD using Bootrec (RebuildBcd, fixboot, and fixMbr). Again no success.

Downloaded the free version of Macrium and it doesnt appear ro be an option in any of the menus. Is there another version I should be using?

Is the boot fix in Macrium only applicable if you used Macrium in the first place to create the cloned image?

I normally run my pc with two Samsung SSD drives, a 256gb 850EVO boot drive, and a 1tb 840EVO slave drive. Every so often I image one to the other using the Samsung cloning software.
I now wanted to...