I finally managed to take an important step towards a solution of this thread's problem before Xmas. I successfully restored my Win10 image of July 2016 and can now boot from BIBM into Win7, Win7 Safe Mode and Win10. My intention is to download and apply Microsoft Media Creation Tool in Win10 safe mode with networking.
My present problem is that I cannot boot into Win10 Safe Mode. I get it as a choice on the Win10 logon screen (in fact it is Win8 Safe Mode since Win8 was pre-installed and later upgraded to Win10) together with Win10. But when I press the Win8 Safe Mode button, the computer restarts into BIBM with Win7 pre-selected. Shortly before BIBM appears, a black screen with white text flashes up for a very short fraction of a second so that nothing can be read.
So I changed the system start timeout value in windows advanced properties from nothing to 5 sec in Win10 but nothing changed in the above behaviour. CAN YOU HELP ME TO GET THE
WIN10 SAFE MODE TO START ?
Additional info for those interested:
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At first I tried to restore the image within BIBM incorporated Image for DOS.
Win 10 started immediately thereafter, Win7 did not as could be expected.
After reactivation or reinstallation of BIBM and or restore of EMBRM (I do not remember which one and in which order I did it) I was able to boot Win7 with BIBM but Win10 was no longer bootable and could not be repaired with the Automatic Repair function of the RE environment. In the end I got the very situation that could not be solved by neither the manufacturer (MEDION-AKOYA) nor Microsft support and which caused me to stop trying to heal the original unbootable Win10 partition (cf.
viewtopic.php?f=2&t=2925&p=16147#p15828):
Win10 RE told me that the drive was locked and that I should try first to unlock it.
I then successfully tried to restore the image with IFL and and arrived at the situation described at the beginning.