Migrating Multiple Disk Setup from MBR to GPT without data loss?

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  1. Posts : 5,478
    2004
       #11

    Kbird said:
    He mean't use the Acronis Recovery disk to restore only C: partition you backed up,
    Yes - that is what I meant. If you are planning to use Macrium (and I would) then more like this:

    Clean and convert disk 0 to GPT
    Use Macrium to image Windows Partition (currently on disk 2) to disk 1 (or external drive). No need for system reserved only C:
    Make a Marcium recovery disk.
    Shut Down
    Unplug drives 1 and 2
    Set BIOS to boot UEFI
    Install Windows 10, boot into it and check you have the correct EFI partitions as per your TechNet link.
    Plug in disk 1
    Boot from Macrium recovery disk and restore Windows to C partition on disk 0 from your macrium image on disk 1. I.e replace your newly installed C drive contents with the contents of what you are using now.
    Unplug 1 again
    Check it boots OK
    Plug in both other drives again.
    Tidy up


    Agree with putting OS on SSD. When you do this it will be pretty trivial to use Macrium to move everything on disk 0 to new SSD though if you want to make the move to GPT first.
      My Computer


  2. Posts : 20
    Windows 10 Professional
    Thread Starter
       #12

    No money to invest in an SSD right now...
    I'm finishing copying the image and then to the tedious part of disconnecting the hard drives .......
    Thanks for the help and summing up the steps =)
      My Computer


  3. Posts : 5,478
    2004
       #13

    Best of luck with it. Do say if you run into any issues.
      My Computer


  4. Posts : 20
    Windows 10 Professional
    Thread Starter
       #14

    I was able to boot into the clean install..

    Then it took almost 2 hours to restore the partition (for barely 140 GB)

    There was an option to "Replace Master Boot Record" with the old one from the image, I assumed I had to uncheck that... Was this correct?

    I can't boot at the moment.... I have that black screen with the ' _ ' blinking...

    I tried the Fix Boot Problems in Macrium but didn't solve anything...

    There's something really weird in my BIOS when I insert a Disk on my CD/DVD, it gives me the option to boot in UEFI:CD/DVD or CD/DVD....
    An without it being connected it shows me a Master Boot Record for Disk 1....

    Any ideas?
      My Computer


  5. Posts : 2,324
    Win10
       #15

    It's not weird for a UEFI Bios , it will show the UEFI Device and the Old MBR style Devices too if you Bios is set to UEFI WITH CSM enabled.

    It is so you can still boot legacy devices or non-uefi DVDs etc.

    are you using lx07 new instructions ?

    GPT Disk/UEFI Boot does not need the MBR but I am not sure whatelse you did before that as Macrium takes 12-14 mins to re-image my Main SSD , not hours...
      My Computers


  6. Posts : 20
    Windows 10 Professional
    Thread Starter
       #16

    Kbird said:
    It's not weird for a UEFI Bios , it will show the UEFI Device and the Old MBR style Devices too if you Bios is set to UEFI WITH CSM enabled.

    It is so you can still boot legacy devices or non-uefi DVDs etc.

    are you using lx07 new instructions ?

    Yes, I use those instructions, and checked that other thread as well...

    I'm about to throw in the Windows Recovery disk....
      My Computer


  7. Posts : 2,324
    Win10
       #17

    Hang on let me read it again , ok seems good to me after looking at your Disk partitions again.

    Did you do the Fix Windows Boot in MR after copying your C over the New C: ?


    Looks like you did , but what and how did you restore YOUR C drive after booting into the Clean install, that should of been done from the boot disk too.

    KB
      My Computers


  8. Posts : 20
    Windows 10 Professional
    Thread Starter
       #18

    Kbird said:
    Hang on let me read it again cos I am confused now...
    Clean and convert disk 0 to GPT (CHECK)
    Use Macrium to image Windows Partition (currently on disk 2) to disk 1 (or external drive). No need for system reserved only C: (CHECK)
    Make a Marcium recovery disk. (CHECK)
    Shut Down (CHECK)
    Unplug drives 1 and 2 (CHECK)
    Set BIOS to boot UEFI (CHECK - Seems to be automatic)
    Install Windows 10, boot into it and check you have the correct EFI partitions as per your TechNet link. (CHECK)
    Plug in disk 1 (CHECK)
    Boot from Macrium recovery disk and restore Windows to C partition on disk 0 from your macrium image on disk 1. I.e replace your newly installed C drive contents with the contents of what you are using now. (CHECK) (I unchecked Replace Master Boot Record)
    (Did the Fix Windows Boot - Although the only option is the BOOT.INI)

    Unplug 1 again (CHECK)
    Check it boots OK ............................................ (Can't boot)
    Plug in both other drives again.
    Tidy up
      My Computer


  9. Posts : 2,324
    Win10
       #19

    When you did Fix Boot in MR , did it Find C:\Windows ?
      My Computers


  10. Posts : 20
    Windows 10 Professional
    Thread Starter
       #20

    Kbird said:
    When you did Fix Boot in MR , did it Find C:\Windows ?
    Yes
      My Computer


 

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