On Thu, 20 Sep 2018 12:28:31 +0500 Alexander V. Makartsev wrote: > Depending on source of your disk image I'd try to restore windows > bootloader (bcdboot) inside disk image and see if that helps. You can > do it from installation media without proceeding with repair > procedure. Press Shift-F10 to invoke CMD and from there you can check > if your disk image is ok, all partitions are intact (via > diskpart.exe) and restore bootloader inside mounted Windows' boot > partition (via bcdboot.exe).
Another option is Mini Tool Partition Wizard [1] to repair Windows bootloaders. It seems the onboard tools, especially bcdboot.exe, can't fix it always. Chris [1] https://www.partitionwizard.com/free-partition-manager.html

