Convert dual boot disk into single OS

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  1.    #11

    sounds like a plan - I like learning new things!

    Thanks all for your support!
      My ComputerSystem Spec

  2. Kari's Avatar
    Posts : 15,803
    Windows 10 Pro
       #12

    Ztruker said: View Post
    Try deleting D then moving and expanding C, just to get the experience. If any problems, you can always wipe, install and restore.
    Expanding C: in Disk Management will not work in OP's case because there's no unallocated space after it. Deleting D: which is placed before C: does not help here, C: cannot expand backwards.

    Kari
      My ComputerSystem Spec

  3.    #13

    that's why I need to move it first - at least this is my understanding?
      My ComputerSystem Spec

  4.    #14

    Just use MiniTool Partition Wizard Free. It will do all you want to do.
      My ComputerSystem Spec

  5.    #15

    hi there,

    Another question for you.

    I've installed MiniTool and it shows me another very small 16MB partition which wasn't picked up by Windows.

    Is that something I can get rid of?

    Thanks
    Click image for larger version. 

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      My ComputerSystem Spec

  6.    #16

    That is very debatable. Microsoft says it is required, but nobody has ever demonstrated any I'll effects from deleting it.
      My ComputerSystem Spec

  7.    #17

    ahah thanks!
    I guess I'll apply the old fashioned say "if ain't broke, don't fix it" :)

    Thanks guys - I've now completed the modifications. It's was so easy and so fast! Very impressed! This forum rocks every time!
      My ComputerSystem Spec


  8. Posts : 25,055
    windows 10 professional version 1607 build 14393.969 64 bit
       #18

    For information on MSR see the link that had been posted earlier and these additional links:

    create partition msr | Microsoft Docs
    Code:
    Remarks
    On gpt disks that are used to boot the Windows operating system, the Extensible Firmware Interface (EFI) system partition is the first partition on the disk, followed by the Microsoft Reserved partition. gpt disks that are used only for data storage do not have an EFI system partition, in which case the Microsoft Reserved partition is the first partition. 
    Windows does not mount Microsoft Reserved partitions. You cannot store data on them and you cannot delete them. 
    A Microsoft Reserved partition is required on every gpt disk. The size of this partition depends on the total size of the gpt disk. The size of the gpt disk must be at least 32 MB to create a Microsoft Reserved partition. 
    A basic gpt disk must be selected for this operation to succeed. Use the select disk command to select a basic gpt disk and shift the focus to it.

    UEFI/GPT-based hard drive partitions | Microsoft Docs
    Code:
    Microsoft reserved partition (MSR)
    Beginning in Windows 10, the size of the MSR is 16 MB.
    Add an MSR to each GPT drive to help with partition management. The MSR is a reserved partition that does not receive a partition ID. It cannot store user data.


    Type | Microsoft Docs


    After a Windows upgrade you may be able to delete the MSR but there is very little accomplished in improving free space on the drive.

    For a Windows upgrade the MSR is needed and if deleted you are likely to have a Windows upgrade failure with the error message:
    "This PC can't run Windows 10
    We couldn't update the system reserved partition"
      My ComputerSystem Spec

  9.    #19

    zbook said: View Post
    For information on MSR see the link that had been posted earlier and these additional links:

    create partition msr | Microsoft Docs
    Code:
    Remarks
    On gpt disks that are used to boot the Windows operating system, the Extensible Firmware Interface (EFI) system partition is the first partition on the disk, followed by the Microsoft Reserved partition. gpt disks that are used only for data storage do not have an EFI system partition, in which case the Microsoft Reserved partition is the first partition. 
    Windows does not mount Microsoft Reserved partitions. You cannot store data on them and you cannot delete them. 
    A Microsoft Reserved partition is required on every gpt disk. The size of this partition depends on the total size of the gpt disk. The size of the gpt disk must be at least 32 MB to create a Microsoft Reserved partition. 
    A basic gpt disk must be selected for this operation to succeed. Use the select disk command to select a basic gpt disk and shift the focus to it.

    UEFI/GPT-based hard drive partitions | Microsoft Docs
    Code:
    Microsoft reserved partition (MSR)
    Beginning in Windows 10, the size of the MSR is 16 MB.
    Add an MSR to each GPT drive to help with partition management. The MSR is a reserved partition that does not receive a partition ID. It cannot store user data.


    Type | Microsoft Docs


    After a Windows upgrade you may be able to delete the MSR but there is very little accomplished in improving free space on the drive.

    For a Windows upgrade the MSR is needed and if deleted you are likely to have a Windows upgrade failure with the error message:
    "This PC can't run Windows 10
    We couldn't update the system reserved partition"
    You are confusing the Microsoft System Reserved Partition with the SIMILARLY named legacy bios System Reserved Partition. The latter can get the error message you are talking about.

    The MSR is a partition reserved for future use and to date has no functionality and if deleted, there is no impact at all.

    Of course, one day MS might use it but it is easy to recreate using diskpart.
      My ComputerSystem Spec


  10. Posts : 25,055
    windows 10 professional version 1607 build 14393.969 64 bit
       #20

    cereberus said: View Post
    You are confusing the Microsoft System Reserved Partition with the SIMILARLY named legacy bios System Reserved Partition. The latter can get the error message you are talking about.

    The MSR is a partition reserved for future use and to date has no functionality and if deleted, there is no impact at all.

    Of course, one day MS might use it but it is easy to recreate using diskpart.
    Please explain one versus the other for EFI.
    create partition msr | Microsoft Docs
    UEFI/GPT-based hard drive partitions | Microsoft Docs
    Type | Microsoft Docs


    Currently one computer with UEFI displayed the above message.
    "This PC can't run Windows 10
    We couldn't update the system reserved partition"
      My ComputerSystem Spec


 
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