Windows 8.1 How-to Disable Secure-Boot and Boot from CD/DVD on Uefi PC and Pre-Installed

February 25th, 2014 by thelinuxevangelist

Windows 8.1 Disable Secure Boot for Linux Installation




The Guide Shows You Step-by-Step How Disabling Secure Boot and Boot from CD/DVD Installation Media on Windows 8.1 with Uefi and so Usually for any PC with Windows8 Pre-Installed

But if You are riding Windows 8.0 Instead Follow the Linked Guide!

To Make the Entire Process Easier to Visualize and Retain the Post Includes the Basic Screenshots of the Essentials Steps Involved.

The Content and Details of Windows 8.1 How-to Disable Secure Boot for Linux Installation Give Focus Only to the Essentials Instructions and Commands and Make the Tutorial Easier to Read and Digest ;)

Windows 8 Disable Secure Boot for Linux Installation - Featured
  1. Move Cursor to Low-Right Corner > Select Settings

    Windows 8 Disable Secure Boot for Linux Installation - Windows 8 Settings

  2. Then Select “Change PC Setting”

    Windows 8 Disable Secure Boot for Linux Installation - Change PC Settings

  3. Search “boot” >> Change Advanced Startup Options

    Windows 8 Disable Secure Boot for Linux Installation - Windows 8 Pc Settings

  4. Advanced Start-Up > Restart Now

    Windows 8 Disable Secure Boot for Linux Installation - Windows 8 Settings General Advanced StartUp

  5. Select TroubleshootWindows 8 Disable Secure Boot for Linux Installation - Windows 8 Settings Troubleshoot
  6. Click on Advanced OptionsWindows 8 Disable Secure Boot for Linux Installation - Windows 8 Disable Secure Boot for Linux Installation - Windows 8 Advanced Options
    If Windows Start with the Repair Process then Go Back and Try Again!
  7. Choose UEFI Firmware Settings

    But If No UEFI Firmware Entry then Follow:

    Win8.1 Startup from CD/DVD Setup

    Windows 8 Disable Secure Boot for Linux Installation - Windows 8 Modify Uefi Firmware

  8. Confirm RestartWindows 8 Disable Secure Boot for Linux Installation - Windows 8 Uefi Firmware Re-Boot
  9. On Boot Screen You May Need to Hit Del/Cancel or F2 Key to Enter BIOS

  10. Select the “Authentication” Tab on BIOS
    Here the Tabs and the Exact title of Commands may Vary depending from the Specific BIOS of Your PC Model…
    Disabling Secure Boot

    Windows 8 Disable Secure Boot for Linux Installation - Windows 8 Uefi Firmware Re-Boot

  11. Select the Boot Options Tab
    • Launch CSM = Always
    • 1St Boot Device = CDROM or DVD
    • Disable All Boot Options on Bottom But Enable “Boot Menu”

    F10 to Save and Exit

    If Do Not Boot directly from CD/DVD try to Reboot.

  12. If Do Not Works Follow This Troubleshooting:

    Windows 8 Boot from CDRom

    After You Should be Finally Free to Evade from Win8 and Booting Up Linux! :)

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