Can I delete Partition 3 and 5?


wimorrison

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I had Aomei OneKey Recovery installed on this laptop, and it served well for several years however I needed to get rid of it for several reasons, primarily when a backup was done getting back into Windows could sometimes be a pain in the backside.

I therefore uninstalled it however I am now left with a mess of partitions and I would like to clean up, because I don't like a mess.

Partition 1 is Macrium RE, Partition 2 is the EFI, and then there is the Windows C:\ disk - but what are Partition3 and 5? Disc Manager doesn't even see Partition 3 and I wonder if Partition 5 is left over from Aomei?

Can I delete Partition 5, given that Macrium is using Partition1? Also can I get rid of Partition 3?

Thanks


1659377171708.png
 

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FreeBooter

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Can you assign a drive letter to those two partitions?
 

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cereberus

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Well, you could delete partition 3, but it is nonstandard if you remove it

I expect partition 5 is the valid recovery partition and partition 1 is now redundant.

Run

reagentc /info

from an admin commend prompt and post results.
 

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wimorrison

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I can assign a drive letter to Partition 5 and when I do, I can't see anything on it at all, but something is using the space because it says that there is only 67Mb free :( I have 'show hidden files' enabled

I formatted Partition 3, as it wasn't formatted, assigned a letter, and it seems totally empty.

I might do a Macrium backup and delete them to see if all works OK - seem like a good idea
 

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wimorrison

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Well, you could delete partition 3, but it is nonstandard if you remove it

I expect partition 5 is the valid recovery partition and partition 1 is now redundant.

Run

reagentc /info

from an admin commend prompt and post results.
What do you mean by deleting Partition 3 is 'non-standard' please?

The results of the command are;

Windows Recovery Environment (Windows RE) and system reset configuration
Information:

Windows RE status: Enabled
Windows RE location: \\?\GLOBALROOT\device\harddisk0\partition5\Recovery\WindowsRE
Boot Configuration Data (BCD) identifier: 094f2fdc-d2fa-11ec-8d8f-bede882a5f22
Recovery image location:
Recovery image index: 0
Custom image location:
Custom image index: 0

REAGENTC.EXE: Operation Successful.


Which would suggest that Partition 5 is the WinRE environment, therefore should I just leave everything as is?
 

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FreeBooter

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Enable show hidden folders.
 

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FreeBooter

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Open the Command Prompt with administrative privileges and execute dir /a /s X: command to view hidden files replace X: drive letter with partition 5 drive letter.
 

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Bree

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I formatted Partition 3, as it wasn't formatted, assigned a letter, and it seems totally empty.
Well, it would be if you formatted it.

The original unformatted 128MB partition 3 was the Microsoft Reserved Partition (MSR). This is a standard feature of all GPT formatted drives. It is there to provide functions that were formerly performed by hidden sectors on an MBR drive. It is not used by the OS at all.

The UEFI specification does not allow hidden sectors on GPT-formatted disks. Microsoft reserves a chunk of disk space using this MSR partition type, to provide an alternative data storage space for such software components which previously may have used hidden sectors on MBR formatted disks

From the size it looks to have been created by an install of Windows 8/8.1, probably the original OEM install the PC came with, which was later upgraded to Windows 10. A clean install of Windows 10 would have created a 16MB unformatted MSR. Here's mine, partition 2....

1659382636253.png
1659383211950.png
 

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    fully 'Windows 11 ready' laptop. Windows 10 C: partition migrated from my old unsupported 'main machine' then upgraded to 11. A test migration ran Insider builds for 2 months. When 11 was released on 5th October it was re-imaged back to 10 and was offered the upgrade in Windows Update on 20th October. Windows Update offered the 22H2 Feature Update on 20th September 2022.

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    My SYSTEM THREE is a Dell Latitude 5410, i7-10610U, 32GB RAM, 512GB ssd, Windows 11 Pro.

    My SYSTEM FOUR is a 2-in-1 convertible Lenovo Yoga 11e 20DA, Celeron N2930, 4GB RAM, 128GB ssd. Unsupported device: currently running Win10 Pro, plus Win11 Pro 22H2 RTM as a native boot vhdx.

Bree

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What do you mean by deleting Partition 3 is 'non-standard' please?
It is standard for all GPT drives to have an unformatted MSR partition. In Windows 8 this was 128MB, but as it gets little use Microsoft reduced that to just 16MB for Windows 10. As it is not used by the Windows OS at all, then deleting it appears to have no noticable effect. But it is still part of a standard clean install of Windows 10 on a UEFI/GPT system, so strictly speaking deleting it would make your system 'non-standard'.
 

My Computers

System One System Two

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    8GB
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    1TB Samsung EVO 870 SSD
    Browser
    Edge, Firefox
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    fully 'Windows 11 ready' laptop. Windows 10 C: partition migrated from my old unsupported 'main machine' then upgraded to 11. A test migration ran Insider builds for 2 months. When 11 was released on 5th October it was re-imaged back to 10 and was offered the upgrade in Windows Update on 20th October. Windows Update offered the 22H2 Feature Update on 20th September 2022.

    My SYSTEM THREE is a Dell Latitude 5410, i7-10610U, 32GB RAM, 512GB ssd, Windows 11 Pro.

    My SYSTEM FOUR is a 2-in-1 convertible Lenovo Yoga 11e 20DA, Celeron N2930, 4GB RAM, 128GB ssd. Unsupported device: currently running Win10 Pro, plus Win11 Pro 22H2 RTM as a native boot vhdx.
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Dell Lattitude E4310
    CPU
    i5 M 520
    Motherboard
    0T6M8G
    Memory
    4GB
    Screen Resolution
    1366x768
    Hard Drives
    500GB HDD
    Browser
    Firefox, Edge
    Antivirus
    Defender
    Other Info
    unsupported machine: Legacy bios, MBR, TPM 1.2, upgraded from W10 to W11 using W10/W11 hybrid install media workaround. In-place upgrade to 22H2 using ISO and a workaround.

    My SYSTEM THREE is a Dell Latitude 5410, i7-10610U, 32GB RAM, 512GB ssd, Windows 11 Pro.

    My SYSTEM FOUR is a 2-in-1 convertible Lenovo Yoga 11e 20DA, Celeron N2930, 4GB RAM, 128GB ssd. Unsupported device: currently running Win10 Pro, plus Win11 Pro 22H2 RTM as a native boot vhdx.

JMedlock83

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I had Aomei OneKey Recovery installed on this laptop, and it served well for several years however I needed to get rid of it for several reasons, primarily when a backup was done getting back into Windows could sometimes be a pain in the backside.

I therefore uninstalled it however I am now left with a mess of partitions and I would like to clean up, because I don't like a mess.

Partition 1 is Macrium RE, Partition 2 is the EFI, and then there is the Windows C:\ disk - but what are Partition3 and 5? Disc Manager doesn't even see Partition 3 and I wonder if Partition 5 is left over from Aomei?

Can I delete Partition 5, given that Macrium is using Partition1? Also can I get rid of Partition 3?

Thanks


View attachment 35424
Yes, you can delete them. They are just "recovery partitions". It will give you a little over 1GB of storage. . Not much, but yeah, they can safely be removed.
 

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    Asus Crosshair VI Hero
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