Windows 8 and 8.1 Forums


Secure Boot - Enable or Disable in UEFI

  1. #20


    My Intel DZ77GA-70K motherboard supports SecureBoot and even though I'm booting to UEFI, I'm still not ready to try the SecureBoot option in the BIOS and I've left it unselected. Maybe one day when I'm feeling lucky?

      My System SpecsSystem Spec

  2. #21


    Posts : 22,137
    64-bit Windows 10


    Hello Art,

    Secure Boot is an extra layer of protection to help protect your system from anything malicious during boot before Windows and most AV programs kick in their protection.

    It'll be worth having enabled when you like.
      My System SpecsSystem Spec

  3. #22


    Posts : 154
    Win7


    New Asus K55 laptop has under BIOS Security tab>I/O Interface Security>Secure Boot state>Enabled

    but the cursor will not go to it.

    Just below that there's Secure Boot Control>Enabled which description is Secure Boot flow control and allows changing to Disabled.

    How exactly do I disable Secure Boot in this case? Do I need to give it an Admin Password first?
      My System SpecsSystem Spec

  4. #23


    Posts : 22,137
    64-bit Windows 10


    Hello Greg,

    You might see if disabling "Secure Boot Control" will then let you disable "Secure Boot state".

    If not, will it let you use the arrow keys on the keyboard to navigate to the Secure Boot option, then press Enter to select it to toggle enable/disable?
      My System SpecsSystem Spec

  5. #24


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    Greg

    Have ENABLED CSM?

    How to ENABLE CSM.

    ASUSTeK Computer Inc. -Support- Windows 8 Support Information

    Quote Originally Posted by ASUS
    How do I boot to DOS with USB Flash drive or USB CD-ROM?
    Solution

    Enter the BIOS setup menu by pressing and holding F2 key when powering on.
    Switch to "Boot" and set “Lunch CSM” to Enabled.
    Switch to "Security" and set "Secure Boot Control" to Disabled.
    Press F10 to save and exit.
    Press and hold ESC key to lunch boot menu when the notebook restarts.
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  6. #25


    Posts : 154
    Win7


    Thanks. The Secure Boot control seemed to also disable Secure boot state.

    Can I keep my same Win7 64 bit flash stick installer and just make the file mods needed to instal in UEFI (Unified Extensible Firmware Interface) - Install Windows 7 with - Windows 7 Forums?


    Noob here!
      My System SpecsSystem Spec

  7. #26


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    Greg

    Is it formatted in FAT32, If YES, just do Step 11.
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  8. #27


    Posts : 22,137
    64-bit Windows 10


    Good news.

    Don't feel bad. It took me a bit to get used to UEFI, and still doing so. LOL

    Yep, making the mods for UEFI would work. Be sure it's FAT32, or it will not work.

    UEFI Bootable USB Flash Drive - Create in Windows

    EDIT:
    I believe doing step 11 would be all you need.
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  9. #28


    Posts : 154
    Win7


    Do I need CSM for Win7 dual boot even if I am using UEFI install method? I thought it was for Legacy BIOS only. Is this because of using a flash stick for install? It looks like it.

    Man I never thought I'd need to go back to FAT32 fomatting. Are you sure this is progress?

    Oh well it should work on Legacy too. I can just copy all my files off and back on anyway.

    I am wanting to keep the factory preinstalled 8 for the 15-day trial period on this laptop because of assurances the optimization done for 8 will compensate for the bloatware, but you know me so I'm already scheming to multi-boot an 8 Clean Install as soon as I do 7.

    But I just can't handle Metro even after promising an open mind, so I've already got Win7StartforWIn8 installed.
      My System SpecsSystem Spec

  10. #29


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    Greg

    What options do you have in CSM, UEFI or UEFI & Legacy is needed.


    Found some Asus K55N screenshots, but not options in CSM.




    ENABLE CSM

    ENABLE PXE OpROM

    ENABLE Secure Boot

    Click image for larger version
    Click image for larger version
    Click image for larger version
    Click image for larger version
    Click image for larger version
      My System SpecsSystem Spec

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Secure Boot - Enable or Disable in UEFI
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