How to put 2 partitions on an external hard drive.

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  1. Posts : 348
    Win 10 PRO 64 Bit
       #1

    How to put 2 partitions on an external hard drive.


    My son would like to create a dual boot operating system. We understand (at least we think) that we need to create 2 partitions on a single drive and install one operating system on each. Hopefully that will give him a dual boot menu when he starts up ?

    Our problem so far has been attaching his hard drive externally to my desktop and trying to get the 2 partitions.
    We are stuck at this point. Here is a photo of what his drive looks like right now.

    Any help would be appreciated.How to put 2 partitions on an external hard drive.-screenshot-16-.jpg
      My Computer


  2. Posts : 25,689
    Windows 11 Pro 22621.169
       #2

    Do you and your son share the same computer?
      My Computer


  3. Posts : 56,114
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #3

    smalltown said:
    My son would like to create a dual boot operating system. We understand (at least we think) that we need to create 2 partitions on a single drive and install one operating system on each. Hopefully that will give him a dual boot menu when he starts up ?

    Our problem so far has been attaching his hard drive externally to my desktop and trying to get the 2 partitions.
    We are stuck at this point. Here is a photo of what his drive looks like right now.

    Any help would be appreciated.How to put 2 partitions on an external hard drive.-screenshot-16-.jpg
    You would be much better off splitting that large 232GB partition on the main drive. An OS partition can run very nicely on 64GB, but you can make it larger. That way the dual boot menu would be easier to manage. Here is a tutorial here on Tenforums. It is written for dual booting 10 & 7, but the concepts are the same. You would simply shrink the existing "C" partition to around 64GB or 96GB (plenty of room), create a new 64GB or 96GB partition for the install of the second OS. That (the new partition) would be the one you would choose when installing the second OS. Take a look and see if the tutorial gives you what you are looking for.

    TC

    Dual Boot Windows 10 with Windows 7 or Windows 8
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  4. Posts : 348
    Win 10 PRO 64 Bit
    Thread Starter
       #4

    Josey Wales said:
    Do you and your son share the same computer?
    Josey no I am just helping out by connecting his drive externally to mine.
    Tomcat thanks for the link we will try that.
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  5. Posts : 25,689
    Windows 11 Pro 22621.169
       #5

    smalltown said:
    Josey no I am just helping out by connecting his drive externally to mine.
    Tomcat thanks for the link we will try that.
    Good it will work.
      My Computer


  6. Posts : 6,976
    windows 10
       #6

    It may not be that simple what o/s are you going to use and is it a uefi motherboard its better to install the oldest o/s delete all partitions and let windows create new one. Then shrink c: and install the second o/s windows will want a a small system parition and a c drive if its uefi it will lneed a parition as well and you may set the drive as gpt or mbr.
    Its often simpler and safer to install one windows then run th eother as a virtual pc with free Downloads – Oracle VM VirtualBox with that you dont have to mess with paritions
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  7. Posts : 348
    Win 10 PRO 64 Bit
    Thread Starter
       #7

    Samuria no uefi just a regular Bios. Per tomcats suggestion we did shrink the first partition to 96GB. The second partition also has 96GB. Just called him, and he has successfully installed both operating systems (win 10 and Win 7) , and his laptop is booting to the "dual boot" menu. He is just finishing getting a few drivers.
      My Computer


  8. Posts : 56,114
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #8

    smalltown said:
    Samuria no uefi just a regular Bios. Per tomcats suggestion we did shrink the first partition to 96GB. The second partition also has 96GB. Just called him, and he has successfully installed both operating systems (win 10 and Win 7) , and his laptop is booting to the "dual boot" menu. He is just finishing getting a few drivers.
    Excellent! Please post back when all done, would love to hear how it all went.

    Good job!

    TC
      My Computers


  9. Posts : 25,076
    10 Home x64 (21H2) (10 Pro on 2nd pc)
       #9

    All sorted by the looks of it, but for others reading this thread - MiniTools Partition Wizard is available as a bootable CD so you could have done it without removing the drive.
    https://www.partitionwizard.com/comp...otable-cd.html
      My Computers


  10. Posts : 56,114
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #10

    Bree said:
    All sorted by the looks of it, but for others reading this thread - MiniTools Partition Wizard is available as a bootable CD so you could have done it without removing the drive.
    https://www.partitionwizard.com/comp...otable-cd.html
    Thanks, Bree. Further info. Bootable is paid version only.....



    Bootable Partition Manager| MiniTool Partition Wizard Bootable Edition

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