crashnburn4u Posted June 9, 2017 Share Posted June 9, 2017 (edited) https://superuser.com/questions/1217793/boot-win-8-1-partition-cloned-from-mbr-disk-to-empty-space-in-gpt-disk-with-exis Boot Win 8.1 Partition cloned from MBR disk to empty space in GPT Disk with existing Preinstalled Win 8.1 Partition? Boot Entry & Windows fix? I can easily press F12 at boot and choose between - Legacy BIOS Options and - UEFI Options - namely Windows Boot Manager - Probably points to the ESP FAT partition on HDD2 - GPT HDD & Partition layout as shown in Paragon HDM [![enter image description here][1]][1] - https://i.stack.imgur.com/5QyU2.png Now, I am cloning - W81_SP_CP2 (BIOS booting) - From HDD 1 - MBR - To - Unallocated Space - on HDD 2 - GPT HDD 2 already has OS_W81 (UEFI Booting) - Preinstalled Now, given "boot mechanisms" of Legacy CSM BIOS as well as UEFI, I believe there may be no way to boot the copy of W81 (.. Let me call it W81_BIOS) from HDD 2 until it becomes W81_EFI. **Is that true?** ---------- [![enter image description here][2]][2] - https://i.stack.imgur.com/9KY34.png PS - Paragon HDM does give me an option (Wizard UI link) to do/ convert/ add an EFI booting post cloning, but given its wording I am concerned/ wondering if it will "replace" / damange the existing entry for Preloaded OS_W81. ---------- I'd rather add a boot entry for W81_BIOS > EFI myself, using `BCDBOOT / BCDEDIT / EasyBCD or Easy UEFI` etc type of stuff in a known controlled manner rather than Paragon HDM doing something. I'm guessing this might be 2 steps: - EFI Boot Entry: How do I do that? Using bcdboot? or EasyUEFI/ BCD type of tool? Recommendation? - How I cloned it? (Using Paragon HDM > Copy Partition Wizard). Do I have to make any changes/ adjustments to the "cloned" Windows ? [1]: https://i.stack.imgur.com/5QyU2.png [2]: https://i.stack.imgur.com/9KY34.png Edited June 9, 2017 by crashnburn4u Image Links Fix Link to comment Share on other sites More sharing options...
jaclaz Posted June 10, 2017 Share Posted June 10, 2017 18 hours ago, crashnburn4u said: https://superuser.com/questions/1217793/boot-win-8-1-partition-cloned-from-mbr-disk-to-empty-space-in-gpt-disk-with-exis ... and: http://reboot.pro/topic/21538-booting-2-windows-partitions-on-single-hdd-one-via-uefi-vs-one-via-csm-bios-possible/ jaclaz Link to comment Share on other sites More sharing options...
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