Windows 10: Install second os on a blank internal hard drive using UEFI

Discus and support Install second os on a blank internal hard drive using UEFI in Windows 10 Installation and Upgrade to solve the problem; I have a computer with Windows 10 home. I have a new blank hard drive that I want to install Windows 7 pro and upgrade it to Windows 10 pro ( I have... Discussion in 'Windows 10 Installation and Upgrade' started by Gladiator, May 4, 2021.

  1. Gladiator Win User

    Install second os on a blank internal hard drive using UEFI


    I have a computer with Windows 10 home. I have a new blank hard drive that I want to install Windows 7 pro and upgrade it to Windows 10 pro ( I have the software for both). My new system has the UEFI mode. What is the easiest way to install the second OPERATING SYSTEM on the extra blank drive so that I can boot from either one with no problems? I installed multiple operating systems several times (using EASYBCD) before the UEFI came into existence. Any help is greatly appreciated.

    :)
     
    Gladiator, May 4, 2021
    #1
  2. Gladiator Win User

    Install second os on a blank internal hard drive using UEFI

    I have a computer with Windows 10 home.
    I have a new blank hard drive that I want to install Windows 7 pro and upgrade it to Windows 10 pro ( I have the software for both).
    My new system has the UEFI mode.
    What is the easiest way to install the second OPERATING SYSTEM on the extra blank drive so that I can boot from either one with no problems?
    I installed multiple operating systems several times (using EASYBCD) before the UEFI came into existence.

    Any help is greatly appreciated.
     
    Gladiator, May 4, 2021
    #2
  3. Megahertz Win User
    Install second os on a blank internal hard drive using UEFI

    You don't need to install Win 7 pro than update to Win 10 pro. You can install Win 10 Pro and use the Win 7 pro key.

    Windows can be installed in two ways: Legacy-MBR or UEFI-GPT
    To install as Legacy-MBR you must boot the installation drive as Legacy
    To install as UEFI-GPT you must boot the installation drive as UEFI.

    As you have a new MB, you should install as UEFI-GPT
    Detach any other drives (SATA or Power cable) from the MB.
    On BIOS, disable fast boot and secure boot (you can enable after installation)

    During POST, press F? to launch the boot menu. You will see two options for the USB drive. USB UEFI (Name) and USB (Name). Select USB UEFI (Name).
    Go to install and delete ALL partitions on the drive till you have one and only one unallocated space and then proceed.
    If you don't want to use MS account, don't enable updates or connect to the internet during installation.

    The two installations are independent. Choose one as the default and set it on BIOS. To boot from the other drive / system launch the boot menu (F?). You can also edit the boot manager to add the other OS.
     
    Megahertz, May 4, 2021
    #3
  4. Install second os on a blank internal hard drive using UEFI

    No drive found on my internal hard disk on Dell Latitude E5430.

    Hello,My laptop (Dell Latitude E5430) was working perfectly till yesterday. But yesterday night, it restarted on its own and ever since, it's stuck at this screen:

    Install second os on a blank internal hard drive using UEFI [​IMG]

    Also, inside the BIOS, no UEFI bootable hard disk drive is being listed.

    Install second os on a blank internal hard drive using UEFI [​IMG]

    The UEFI flash disk option shown above is that of my bootable pen drive with Windows 10 installation copy.I googled this issue a bit and the results were as follows:
    1. one thread suggested that I should run Dell's internal diagnostics to see if there anything wrong with hard disk. I did that but every component, including the hard disk one, passed these internal test.
      Install second os on a blank internal hard drive using UEFI [​IMG]
    2. a second thread suggested that I should try to remove and reseat the hard disk. I did that following Dell's user manual.
    3. another thread suggested that I should reinstall my windows 10 afresh. But when I try to do so, the windows installation wizard doesn't list any drive in the hard disk. It's as if it doesn't detect hard disk at all.
      Install second os on a blank internal hard drive using UEFI [​IMG]
    In a nutshell, while the hard disk is being detected, but none of its drives is. However, the hard disk consisted of 3 drives:
    1. C: with the windows' and applications' installations,
    2. D: with all of my data,
    3. E: which was recovery drive.
    Any troubleshooting suggestions?I'm sorry I am not able to help you guys with any logs and stuff because I don't know how to get them when I can't get my Windows to boot. I'm not even sure if this is the correct section where I should be posting this thread.. I'm just so confused right now. *cry

    A few weeks ago, I had upgraded (not fresh installation) from windows 10 version 1607 to 20H2. The version 1607 installation was a clean one (from scratch, after formatting the hard disk and creating new partitions).
     
    Ten64BitUser, May 4, 2021
    #4
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Install second os on a blank internal hard drive using UEFI

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