Windows 8 and 8.1 Forums


Which Of Thes Disk Configurations Is Correct?

  1. #1


    Posts : 70
    Windows 8 Pro

    Which Of These Disk Configurations Is Correct?


    Hello All,

    I have 2 computers, a custom built desktop PC and an ASUS N550JK laptop. The hard drives that are installed on each are as follows:

    [Desktop PC]
    Drive C: Samsung 840 Pro 256 GB SSD (OS Disk)
    Drive D: Samsung 840 EVO 250 GB SSD (Data Disk)

    [N550JK Laptop]
    Drive C: Samsung 840 Pro 256 GB SSD (OS Disk)
    Drive D: HGST Travelstar 7200 RPM 1 TB HDD (Data Disk)

    I recently did a clean install of Windows 8.1 Pro on both computers and I noticed something odd about the partitioning of the OS disk for my Desktop PC. It did not have a Recovery partition. Also, the laptop had this partition called "NO NAME".

    Here is a screenshot comparing my desktop OS disk and my laptop OS disk:

    Click image for larger version

    Click image for larger version

    As you can see the OS disk for my desktop has the following 2 partitions:

    1. 350 MB System Reserved
    2. 238.1 GB OS

    and the OS disk for my laptop has the following 3 partitions:

    1. 300 MB Recovery
    2. 100 MB NO NAME
    3. 238 GB OS

    When I installed Windows 8.1 on each of these computers I selected "Clean Install" and then "Customize" and wiped all the disk partitions (for all drives), then selected the SSD as the drive for Windows to install to. I did not see anywhere to select whether or not I wanted a Recovery partition to be created. In fact Windows did not ask anything about the way I wanted to partition the drive.

    I don't know if Windows is smart enough to know what to do and that's why it did not ask or if I am too stupid to manually setup the partitions prior to installing Windows.

    I have a few question about these partitions:

    What is the "NO NAME" partition on my laptop used for? Can I delete it?

    Secondly, which of these two configurations should I have for both systems:

    1. Recovery + NO NAME + OS
    or
    2. System Reserved + OS

    Seems to me that I should have at least have a Recovery partition on both systems but I don't know how to create one and, as I said, Windows did not prompt me to create one during installation.

    Thank you,

    Jan




    which configuration should I have? 3 Partitions or 2?
    Last edited by tackyjan; 26 Oct 2014 at 19:10.

      My System SpecsSystem Spec

  2. #2


    Posts : 22,581
    64-bit Windows 10


    Hello Jan,

    They are both correct for each one.

    You installed Windows 8.1 without UEFI to have a MBR formatted disk.

    Clean Install - Windows 8

    You installed Windows 8.1 with UEFI to have a GPT disk. The 100 MB partition is the EFO partition, and the 300 MB is the system reserved partition. All perfectly normal.

    UEFI (Unified Extensible Firmware Interface) - Install Windows 8 with
      My System SpecsSystem Spec

  3. #3


    Posts : 70
    Windows 8 Pro


    Quote Originally Posted by Brink View Post
    Hello Jan, They are both correct for each one. You installed Windows 8.1 without UEFI to have a MBR formatted disk.
    Clean Install - Windows 8
    You installed Windows 8.1 with UEFI to have a GPT disk. The 100 MB partition is the EFO partition, and the 300 MB is the system reserved partition. All perfectly normal.
    UEFI (Unified Extensible Firmware Interface) - Install Windows 8 with
    Thank you for the answer... do you mind also answering a more general question?

    For each Motherboard type UEFI and NON-UEFI what are the expected partitions to be created upon a fresh install (assuming you install with no custom configuration and just let it default)?

    For example:
    UEFI : Recovery, NO NAME, OS (?)
    NON UEFI: System Reserved, OS (?)
      My System SpecsSystem Spec

  4. #4


    Posts : 70
    Windows 8 Pro


    I think I really need to read up on UEFI. I have NO IDEA what it is. :O
      My System SpecsSystem Spec

  5. #5


    Posts : 22,581
    64-bit Windows 10


    No problem.

    It's basically what you see now for your two computers, but the UEFI tutorial link I posted above will show you the default disk layout when installing with UEFI on an unallocated disk.
      My System SpecsSystem Spec

  6. #6


    Posts : 70
    Windows 8 Pro


    Quote Originally Posted by Brink View Post
    No problem.

    It's basically what you see now for your two computers, but the UEFI tutorial link I posted above will show you the default disk layout when installing with UEFI on an unallocated disk.
    Kay, checking out the tutorial now. Thanks!
      My System SpecsSystem Spec

  7. #7


    Posts : 70
    Windows 8 Pro


    This reminds me of another strange issue with partitions that I ran into right after I got my laptop. The original factory configuration of the (single) hard drive partitions was:

    System Reserved + Recovery + OS + DATA (for a total of 4 partitions on the single drive).

    As soon as I got the laptop I ran the ASUS recovery tool to create a recovery disk. I then got a new hard drive, took out the old one and replaced it with the new (blank) drive and proceeded to do a system recovery.

    The recovery worked, however, when I checked the partitions after the recovery it had a total of 6:

    System Reserved, Recovery, OS, System Reserved*, Recovery*, and DATA.

    It looks like the recovery process did not "overwrite" the target disk partitions. Instead it seemed to create the default partitions (System Reserved, Recovery, and OS) and the append the old ones (System Reserved, Recovery, and DATA) and ended up making a total mess!

    When I looked at the partitions for the first time I was blown away! Luckily I found a program to cleanup that mess!
      My System SpecsSystem Spec

  8. #8


    Posts : 22,581
    64-bit Windows 10


    Yeah, when you throw in the factory recovery partitions, it really does have the disk with a lot of partitions.
      My System SpecsSystem Spec

Which Of Thes Disk Configurations Is Correct?
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