Windows 10: Wanting to use unallocated space on my hard drive, any dos and don'ts?

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  1.    1 Week Ago #1

    Wanting to use unallocated space on my hard drive, any dos and don'ts?


    My C: partition gets low on free space. It's mostly filled with files that make up the games I play when looking on Windirstat. However, when I looked on disk management, I noticed that there's 99.9 GB of unallocated space on my hard drive plus a few smaller partitions. I knew 830 GB (the size of my C: partition) was a bit lacking considering I have a 1 TB hard drive but I didn't think about unused hard drive space until now. Here's a screenshot:
    Click image for larger version. 

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    I think I should use up this unallocated space for my C: partition and I don't know if any of these smaller partitions are necessary to keep. I also don't want to erase anything on my hard drive by accident, but I have some experience with expanding and reducing partition space for adding new partitions on disk management. Are there any things to recommend on what I should and shouldn't do?
      My ComputersSystem Spec

  2.    1 Week Ago #2

    Thats fairly simple you move c to the left so the free space is then after c once done you can then grow c I wouldnt both about the other small one leave them use Best Free Partition Manager for Windows | MiniTool Partition Free it makes the job simple
      My ComputerSystem Spec


  3. Posts : 2,346
    Ubuntu14.04x64 MintMate17x64 Win10Prox64
       1 Week Ago #3

    Click image for larger version. 

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    You can delete either 1 or 3 depending on where your recovery is currently used by Windows.
    Delete 2 (D: drive) : only 99MB

    To find out which Recovery partition is used: run from Admin command: reagentc /info

    then merge 5,2, 1 or 3 into C. Final should look: Recovery, EFI System,MSR (hidden from DM) , C drive

    NOTE: there's also a 16MB MSR partition which DM does not show
      My ComputerSystem Spec


  4. Posts : 1,688
    W7 Ultimate SP1 (64 bit), LM 18.3 MATE (64 bit), W10 Home (64 bit)
       1 Week Ago #4

    Storage Spaces?


    Doesn't W10 have a built-in tool (Storage Spaces) that allows users to combine multiple drives/partitions into a single storage pool?
      My ComputerSystem Spec

  5.    1 Week Ago #5

    Samuria said: View Post
    Thats fairly simple you move c to the left so the free space is then after c once done you can then grow c I wouldnt both about the other small one leave them use Best Free Partition Manager for Windows | MiniTool Partition Free it makes the job simple
    How can I move C: to the left?

    topgundcp said: View Post
    You can delete either 1 or 3 depending on where your recovery is currently used by Windows.
    Delete 2 (D: drive) : only 99MB
    To find out which Recovery partition is used: run from Admin command: reagentc /infothen merge 5,2, 1 or 3 into C.
    Final should look: Recovery, EFI System,MSR (hidden from DM) , C drive
    NOTE: there's also a 16MB MSR partition which DM does not show
    It says partition 1, so I should delete 3 as well, yet right clicking only gives me a help option. Also, how do I merge them?
      My ComputersSystem Spec


  6. Posts : 2,346
    Ubuntu14.04x64 MintMate17x64 Win10Prox64
       1 Week Ago #6

    It says partition 1, so I should delete 3 as well, yet right clicking only gives me a help option. Also, how do I merge them?
    Yes, only one Recovery partition is needed.
    To delete partition 3, you'd need to use diskpart. Open Admin command prompt, type:
    diskpart
    select disk 0
    list partition ====>
    This step to make sure that partition 3 is the one you want to delete.
    select partition 3
    delete partition override
    exit

    some experience with expanding and reducing partition space for adding new partitions on disk management. Are there any things to recommend on what I should and shouldn't do?
    Use Partition Magic recommended in post #2 above.

    WARNING: Always create a backup image of current Windows disk before any modification in case something goes wrong then you can roll back.
      My ComputerSystem Spec

  7.    1 Week Ago #7

    Well, I installed Partition Magic and used it to have C: use up the unallocated space. However, I ran into a wall when trying to merge the smaller partitions into C: as one of them are in the FAT32 file system. The problem is that I can't convert the FAT32 partition into an NTFS partition as it doesn't give me option for that, yet, it does give me the option to convert all the other partitions to convert from NTFS into FAT which I don't want to.
      My ComputersSystem Spec


  • Posts : 408
    Win 10 pro Upgraded from 8.1
       1 Week Ago #8

    just delete the partition, it will become unallocated space then you can expand into it.
      My ComputersSystem Spec


  • Posts : 2,470
    Windows 10 Home x64 (Laptop), Windows 10 Pro x64 (Desktop)
       1 Week Ago #9

    Partition Wizard is an excellent tool. I expect you have sorted out those recovery partitions. Note you can use Partition Wizard to peruse the contents of those hidden recovery partitions to work out which is the oldest for deletion. Also ensure you have a full system image backup before you start fiddling with system partitions.
      My ComputersSystem Spec

  •    1 Week Ago #10

    topgundcp said: View Post
    WARNING: Always create a backup image of current Windows disk before any modification in case something goes wrong then you can roll back.
    Do you mean a system restore point? I don't know if I can backup 766 GB of data somewhere.
      My ComputersSystem Spec


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