Windows 10: Questions about dual booting Windows 8 and 9?

Discus and support Questions about dual booting Windows 8 and 9? in Windows 10 Installation and Upgrade to solve the problem; Just the OEM manufacturers wording. My wording in most posts is UEFI/BIOS frimware. Discussion in 'Windows 10 Installation and Upgrade' started by MikeHawthorne, Sep 4, 2014.

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  1. THEOG
    theog Win User

    Questions about dual booting Windows 8 and 9?


    Just the OEM manufacturers wording.
    My wording in most posts is UEFI/BIOS frimware.
     
    theog, Sep 18, 2014
    #16
  2. WINUSER
    Winuser Win User

    I had to disable Secure Boot to install a video card. I don't have any warning about Secure Boot being disabled and Windows still say's that it's activated.
     
    Winuser, Sep 20, 2014
    #17
  3. BADROBOT
    badrobot Win User
    What OS are you running?
     
    badrobot, Sep 20, 2014
    #18
  4. THEOG
    theog Win User

    Questions about dual booting Windows 8 and 9?

    Computer Does not Start After Installing a Video Card (Windows 8) | HP® Support
     
    theog, Sep 20, 2014
    #19
  5. WINUSER
    Winuser Win User
    Winuser, Sep 21, 2014
    #20
  6. BADROBOT
    badrobot Win User
    One scenario I know that the warning will come out is when you say migrated the OS into an SSD while secure boot is disabled and CSM is enabled. An MBR partition will be created that you can use to boot up instead of the Windows Boot Manager of the original installation. The OS will boot up but it will give you a warning about the OS being deactivated because of the "improper" Secure Boot settings. Not sure if this really makes sense at all but that is just one of the scenarios I've observed.
     
    badrobot, Sep 21, 2014
    #21
  7. THEOG
    theog Win User
    No problems with UEFI Dual boot Windows 8/8.1 & 10. (Secure Boot ENABLED)
     
    theog, Apr 4, 2018
    #22
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Thema:

Questions about dual booting Windows 8 and 9?

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