Windows 10: Does a Windows 10, clean install, create the necessary partitions? Solved

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  1. Posts : 22
    Windows 10 Home 64 bit
       06 Aug 2015 #1

    Does a Windows 10, clean install, create the necessary partitions?


    I have upgraded my Windows 8.1 system to Windows 10 through the Windows update app and have created an installation media USB stick. I want to clean install, something I am very familiar with, but not since the new uefi, gpt, legacy etc. that I'm not familiar with. If I do a clean install and delete the entire disk, Windows will create the partitions and install the necessary "data" to run the computer correctly? I don't need to save the data on the hidden partitions that are present now?

    Thanks,
    Ed
      My ComputerSystem Spec

  2.    06 Aug 2015 #2

    The hidden partitions may contain a factory image that the bios would boot to to restore you computer with all the software from the factory. If you don't mind possibly losing something like that, you can delete all the partitions off the disk in the advanced options of Windows setup and it will create a recovery partition (for Windows 10 only) and the system partition. The short answer you don't need to save the data on the hidden partitions.
      My ComputerSystem Spec


  3. Posts : 22
    Windows 10 Home 64 bit
    Thread Starter
       06 Aug 2015 #3

    Thanks. That part was really confusing me. I don't want to save the factory image, old OS and bloatware.

    Appreciate it NavyLCDR,
    Ed
      My ComputerSystem Spec


  4. Posts : 2,034
    Ubuntu14.04x64 MintMate17x64 Win10Prox64
       06 Aug 2015 #4

    MBR: You can only create 4 primary partitions per HD with maximum size of 2TB.

    GPT: New partitioning scheme, readable only by Windows XP x64, Server 2003 SP1, Windows Vista, 7, 8, 10.

    1. Support a HD up to 2^64 blocks in length. (For 512-byte blocks, this is 9.44 ZB - zettabytes. 1 ZB is 1 billion terabytes) but restricted by Windows to 256TB
    2. It can also support theoretically unlimited partitions. Windows restricted to 128 Partitions


    It is up to you whether you want to install Windows using MBR or GPT and you need to set the option in the BIOS for MBR or GPT style installation.

    Having said that. Here's the steps:
    1. Disconnect all HD/SSD except the one you will be installing Windows
    2. From the boot menu, Select #1 for GPT or select #2 for MBR to boot up the Windows Installation
      Click image for larger version. 

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      NOTE: The screen is an example and might look different from yours
    3. Once the Windows Installation started. On the first screen, Press and hold SHIFT Key + F10, a command Windows will popup then type:
      - diskpart
      - select disk 0
      - Clean
      - Exit
      - Exit
    4. Click Next to continue.
    5. Select Custom
    6. Select the first unallocated partition and click next. Windows will create all needed partitions to install Windows 10
    7. Follow all the rest of the instruction to complete.


    MBR installation:
    1. 500MB System Reserved partition
    2. C: Drive

    GPT installation:
    1. 450MB recovery partition
    2. 100MB EFI System Partition
    3. 16MB MSR partition
    4. C drive.
    Last edited by topgundcp; 05 Feb 2016 at 12:26.
      My ComputerSystem Spec


  5. Posts : 22
    Windows 10 Home 64 bit
    Thread Starter
       07 Aug 2015 #5

    Excellent, thank you. I prefer and my BIOS is set for GPT (UEFI) style boot.

    When you say "100MB System Partition" this would be what is listed as "Healthy (EFI System Partition)" in my Disk Management?
      My ComputerSystem Spec

  6.    07 Aug 2015 #6

    Whatrymes said: View Post
    I have upgraded my Windows 8.1 system to Windows 10 through the Windows update app and have created an installation media USB stick. I want to clean install, something I am very familiar with, but not since the new uefi, gpt, legacy etc. that I'm not familiar with.
    On the Where do you want to install Windows? screen, select a partition and click on the "Delete" option for each partition.

    You must delete all the partitions until you only see Drive 0 Unallocated Space.

    - Once you have deleted all of the partitions, click on the "Next" button. The installation of Windows will begin. All the required partitions are created automatically during the install.

    - Or, if you know what you're doing, you can click on the "New" button and create a separate data partition.



    - Recovery 450 MB - The Windows Recovery Environment tools.
    - System (EFI system) 100 MB or 260 MB - The Boot Configuration Data (BCD).
    - MSR (Reserved) 16 MB - Microsoft Reserved.
    - Primary - Where Windows is to be installed to.

    Here is info about UEFI Boot Mode (installing using the GPT partition style) and Legacy BIOS Boot Mode (installing using the MBR partition style). -> link
      My ComputerSystem Spec


  7. Posts : 96
    windows 10 pro
       07 Aug 2015 #7

    Hi , brilliant replies , Without hijacking the original thread can I ask a similar question ?
    In my sony vaio notebook there is a 30GB SSD and a 500GB HDD ( I,m not sure if its a hybrid drive or 2 separate drives .) I lost my recovery partition Months ago when I installed/uninstalled win10 technical preview so I just use the ssd for the OS and the mechanical drive for storage . My question is this " is it possible to set the both drives up as raid or have the system see them as a combined drive" ?. Alternatively how do I map certain folders such as downloads , pictures ,documents to store on the bigger drive .
    Thanks for any help .

    Click image for larger version. 

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    Last edited by tamo; 07 Aug 2015 at 07:33. Reason: typo
      My ComputerSystem Spec

  8.    07 Aug 2015 #8

    tamo said: View Post
    Alternatively how do I map certain folders such as downloads , pictures ,documents to store on the bigger drive.
    https://www.tenforums.com/tutorials/1...dows-10-a.html
      My ComputerSystem Spec


  9. Posts : 1,848
    Windows 3.1 to Windows 10
       07 Aug 2015 #9
      My ComputerSystem Spec

  10.    07 Aug 2015 #10

    tamo said: View Post
    In my sony vaio notebook there is a 30GB SSD and a 500GB HDD ( I,m not sure if its a hybrid drive or 2 separate drives. )
    https://www.pugetsystems.com/labs/ar...D-Caching-148/

    For example, this model:

    Sony VAIO T14 Ultrabook Review - Out With Express Cache In With DataPlex For SandForce Driven Speed | The SSD Review

    "Sony’s new VIAO touchscreen T14 arrived last week, complete with hybrid hard drive and Windows 8."
    Last edited by genet; 07 Aug 2015 at 11:12.
      My ComputerSystem Spec


 
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