No System Reserved Partition but there is 500mb unallocated space

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  1. Posts : 25
    Windows 10 PRO 64 Bit
       #1

    No System Reserved Partition help?


    disk management isn't showing system reserved partition but there is 500mb unallocated space only.

    No System Reserved Partition but there is 500mb unallocated space-disk.jpg
    Last edited by anandbb; 19 Jan 2020 at 02:59.
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  2. Posts : 43,249
    Win 10 Pro (22H2) (2nd PC is 22H2)
       #2

    Do you know that you definitely had one? Presumably if your Windows is booting, all is basically well.

    Windows can be installed without creating one at all: see the end of this:
    What is the System Reserved or EFI Partition in Windows?

    Has it been removed?
    TeraByte Unlimited Knowledge Base
      My Computers


  3. Posts : 25
    Windows 10 PRO 64 Bit
    Thread Starter
       #3

    dalchina said:
    Do you know that you definitely had one? Presumably if your Windows is booting, all is basically well.

    Windows can be installed without creating one at all: see the end of this:
    What is the System Reserved or EFI Partition in Windows?

    Has it been removed?
    TeraByte Unlimited Knowledge Base
    Yes Window is booting fine.... But today when I opened disk management I noticed there was no system reserved partition..
      My Computer


  4. Posts : 43,249
    Win 10 Pro (22H2) (2nd PC is 22H2)
       #4

    And was there one previously?
      My Computers


  5. Posts : 25
    Windows 10 PRO 64 Bit
    Thread Starter
       #5

    dalchina said:
    And was there one previously?
    I don't think so....bcoz after installing fresh windows I never checked disk management and today was the first time
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  6. Posts : 43,249
    Win 10 Pro (22H2) (2nd PC is 22H2)
       #6

    Then I suggest there's nothing to worry about.
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  7. Posts : 25
    Windows 10 PRO 64 Bit
    Thread Starter
       #7

    dalchina said:
    Then I suggest there's nothing to worry about.
    Okay but why there is a 500mb unallocated space? And what should I do with that?
      My Computer


  8. Posts : 2,799
    Linux Mint 20.1 Win10Prox64
       #8

    Looking at your disk management screen shot. Your C drive is marked as System, Boot, Active... Meaning Windows Boot Manager is in your C: drive.

    A normal Windows installation with your disk setup as unallocated then Windows will create a System Reserved partition and put the Boot Manager and Windows Recovery (WinRe.wim for disgnostic, troubleshooting). In addition, if you use Bitlocker then you'll need the System Reserved present. If you have no problem running Windows then you shoudn't worry about it. However, if it bothers you, you can easily move the Boot Manager to the 500 unallocated partition.
    1. Create a simple NTFS for this unallocated partition, format and assign a Letter to it. let's assume Letter Z is assigned.
    2. Open admin command prompt and type: bcdboot C:\Windows /s Z: /f BIOS
      The above command will mark Z: drive as active and move the Boot Manager there. Once done, remove the letter Z: and label it as: System Reserved.
      My Computer


  9. Posts : 25
    Windows 10 PRO 64 Bit
    Thread Starter
       #9

    topgundcp said:
    Looking at your disk management screen shot. Your C drive is marked as System, Boot, Active... Meaning Windows Boot Manager is in your C: drive.

    A normal Windows installation with your disk setup as unallocated then Windows will create a System Reserved partition and put the Boot Manager and Windows Recovery (WinRe.wim for disgnostic, troubleshooting). In addition, if you use Bitlocker then you'll need the System Reserved present. If you have no problem running Windows then you shoudn't worry about it. However, if it bothers you, you can easily move the Boot Manager to the 500 unallocated partition.
    1. Create a simple NTFS for this unallocated partition, format and assign a Letter to it. let's assume Letter Z is assigned.
    2. Open admin command prompt and type: bcdboot C:\Windows /s Z: /f BIOS
      The above command will mark Z: drive as active and move the Boot Manager there. Once done, remove the letter Z: and label it as: System Reserved.
    Is it possible that system reserved partition is somehow merged with c drive?
    Last edited by anandbb; 19 Jan 2020 at 08:26.
      My Computer


  10. Posts : 2,799
    Linux Mint 20.1 Win10Prox64
       #10

    Is it possible that system reserved partition is somehow merged with c drive?
    Yes. The easiest is to download the portable, free DiskGenius:Free Download DiskGenius Online
    Run it and Since this is Windows partition, you might not be able to run online, click on the File menu to boot into WinPE enviroment.
    Right click on the 500MB unallocated space, select Allocate free space To -> then select C: drive. click on Save All then reboot.
      My Computer


 

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