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  1. Joined : Jan 2016
    Posts : 47
    Windows 7
       30 Jan 2016 #1

    Update a dual boot Windows 7 32bit to Windows 10 64bit


    Hello,
    I am currently using a dual boot PC with Windows7 ultimate(32bit) running along with Ubuntu 12.04.
    I am planning to upgrade my PC to Windows 10 keeping the dual boot.
    I also want to clean install windows 10 after the upgrade to switch it to 64Bit as I am planning to increase my RAM to 8GB.
    Will I need to reinstall Ubuntu after clean installing windows 10 64bit?(I heard the windows boot-loader ignores Ubuntu after clean install).
    And the main problem is if i can do clean install Windows10 without formatting my other drives except "Local disk:C" because I have a lot of files on them.
    Can anyone give me a step by step guide for clean installing by formatting my current "C" drive only please...
    I want to keep my files on other partitions safe...
      My System SpecsSystem Spec


  2. Joined : Dec 2015
    Posts : 2,431
    Windows10
       30 Jan 2016 #2

    Be careful - clean installing Windows 10 will probably break the dual boot mechanism as it does not recognise Linux.

    General advice is to start with a fresh drive, install Windows 10, then linux.

    It can be done the other way, but no expert, especially as you already have Windows 7.

    You should make a full image backup of your drives eg using Macrium Reflect Free which will backup Linux partitions as well.
      My System SpecsSystem Spec


  3. Joined : Jan 2016
    Posts : 47
    Windows 7
       30 Jan 2016 #3

    Cant't I use the currently using hard disk partitions for reinstalling windows and linux?
    What about just formatting"C" only, then install win10 on it and then reinstalling linux?
    I dont care about linux because i dont have any important files in its partitions.So I am ready to format them.
    But in windows I have a lot of very important files (but not in local disk C) and that is why I am asking if I can do these by not formatting other windows partitions...
    I dont have enough resources(eg.An external HDD) to back up all my important files.
    So please help....
      My System SpecsSystem Spec

  4.    30 Jan 2016 #4

    ajs11 said: View Post
    Cant't I use the currently using hard disk partitions for reinstalling windows and linux?
    What about just formatting"C" only, then install win10 on it and then reinstalling linux?
    I dont care about linux because i dont have any important files in its partitions.So I am ready to format them.
    But in windows I have a lot of very important files (but not in local disk C) and that is why I am asking if I can do these by not formatting other windows partitions...
    I dont have enough resources(eg.An external HDD) to back up all my important files.
    So please help....
    Windows won't know that Linux exists and will just overwrite the MBR and thus Grub will disappear. The Linux partitions remains unaffected.
    Upgrading from within Win 7 or a clean install will just require adding Grub2 to the windows loader with EasyBCD - or if you prefer booting from Grub, re-installing it from LiveCD media.
      My System SpecsSystem Spec


  5. Joined : Jan 2016
    Posts : 47
    Windows 7
       31 Jan 2016 #5

    Will the grub come back by reinstalling whole linux?
    I am planning to clean install ubuntu to go to a new version.

    What about my files in other windows partions??
      My System SpecsSystem Spec

  6.    31 Jan 2016 #6

    ajs11 said: View Post
    Will the grub come back by reinstalling whole linux?
    I am planning to clean install ubuntu to go to a new version.

    What about my files in other windows partions??
    Yes, when installing select "Install alongside Windows" - your windows partitions will not be affected as it creates it's own partitions.
      My System SpecsSystem Spec


  7. Joined : Jan 2016
    Posts : 47
    Windows 7
       31 Jan 2016 #7

    Is there a direct upgrade path from windows7 32bit to Windows10 64bit ?(I dont need to keep the installed programmes, just want my files).
    I heared something like partial upgrade or like that..
    If yes please say how to do... Because it would be more good for me :-)
      My System SpecsSystem Spec


  8. Joined : Dec 2015
    Posts : 2,431
    Windows10
       31 Jan 2016 #8

    ajs11 said: View Post
    Is there a direct upgrade path from windows7 32bit to Windows10 64bit ?(I dont need to keep the installed programmes, just want my files).
    I heared something like partial upgrade or like that..
    If yes please say how to do... Because it would be more good for me :-)
    Not possible to convert 32bit to 64bit - you have to back up data elsewhere and reinstall from scratch.
      My System SpecsSystem Spec


  9. Joined : Jan 2016
    Posts : 47
    Windows 7
       01 Feb 2016 #9

    Now back to the first thing I asked.

    What about formatting Local Disk C only ?

    If I do so will my files in the other partitions survive?
    I need those files.
    I have nothing important on C and I am ready to format it.
    I am only concerned about my local disk E and F .
    So I am not ready to format them .
    Can I let them untouched during the installation?
      My System SpecsSystem Spec


  10. Joined : Dec 2015
    Posts : 2,431
    Windows10
       01 Feb 2016 #10

    ajs11 said: View Post
    Now back to the first thing I asked.

    What about formatting Local Disk C only ?

    If I do so will my files in the other partitions survive?
    I need those files.
    I have nothing important on C and I am ready to format it.
    I am only concerned about my local disk E and F .
    So I am not ready to format them .
    Can I let them untouched during the installation?
    You only need to install over C partition. Ny program installed on other drives may need to be reinstalled.
      My System SpecsSystem Spec


 
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