Restoring W10 installation from MBR to new GPT laptop

  1. Posts : 81
    windows 10

    Restoring W10 installation from MBR to new GPT laptop

    This is the latest version I managed to come up with of a procedure to restore Windows10 version 1511 installation from an old BIOS/MBR laptop (source) to a UEFI/GPT disk on a new laptop (target). The source disk has 3 partitions: C: (OS), D: (applications) and E: (data). This was achieved with extensive help from several gurus here (Restore Backup Image from one computer to another) -- many thanx. The objective is to preserve an older Windows installation with 100% customization.

    This should be applicable for any past version of Windows10, of which you must have a bootable install disk ( I happen to have 1511). The procedure is somewhat simpler for versions 1703 and later that support the MBR2GPT command.

    I have marked with asterisks the spots with issues that I am yet not clear about.

    Comments/questions/corrections/improvements/advice are welcome and appreciated.

    1. Extract drivers from target PC (optional)
    - open an elevated command prompt
    - run DISM /online /export-driver /destination: external drive)

    2. Install AOMEI PA on target.
    3. Create bootable CD*.
    4. Image C: on external drive (to restore if need to return new computer).

    5. Install AOMEI PA on source D:.
    6. Create bootable CD*.
    7. Image whole disk on external drive.

    * AOMEI specs say that their free versions convert MBR disks to GPT. But this function is run off a bootable disk and they say creating one requires the paid version. I used AOMEI because they offer a deep discounted yearly license. If you know of a free alternative that creates a bootable CD and converts MBR to GPT, pls let me know.

    8. Boot target CD:
    - restore source image to target PC.**
    - run PA's MBRtoGPT conversion tool**

    ** Not clear if the disk will be seen, particualrly if the CPU is Intel >11gen.

    9. Boot W10 1511 install disk & create .efi partition (will see disk?)
    - On the first screen, press SHIFT+F10 to bring up the command prompt.
    - Run the following commands at the command prompt:
    SELECT DISK (# where you want to add the EFI)
    SELECT PARTITION (# OS partition (# number) or your data partition.)
    LIST VOLUME (# should be OS volume C:)
    BCDBOOT C:\windows /s S:
    - Boot target PC into BIOS & check that SSD is First Boot Device.

    10. Download latest target drivers from mfgr site.
    11. Update drivers.

    12. (optional?) Use MiniTool Partition Wizard Free to delete the old BMR reserved system partition and then add the unallocated space to the front of C: drive ... depending on where the hidden MSR partition is, though.
    Last edited by sgeneris; 15 May 2023 at 16:43.
      My Computer

  2. Posts : 43,199
    Win 10 Pro (22H2) (2nd PC is 22H2)

    For reference - this was the preceding thread on this topic:
    Restore Backup Image from one computer to another

    The target PC and drive are still unknown, and the many questions post arise from the OP's imposed limitiation of using a fixed old build - Windows Update is required to be disabled.
    Last edited by dalchina; 16 May 2023 at 00:27.
      My Computers

  3. Posts : 81
    windows 10
    Thread Starter

    dalchina said:
    For reference - this was the preceding thread on this topic:
    Restore Backup Image from one computer to another
    I already referenced the thread upfront in the 1st para.
      My Computer

  4. Posts : 81
    windows 10
    Thread Starter

    Whether it's an imposed limitation is a matter of personal perspective -- I consider Windows update an imposed limitation. I prefer to my own impositions than those by software vendors.

    It is for personal use, it has years of customization, it does everything I need and I see no value, only hassles riding the MS changes and keeping up with new stuff. It is I who should decide whether and when to update and nobody. Not to mention ads and spying which are much more limited with the old version.
      My Computer


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