Solutions For Disabled BIOS Boot Menu

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    Over the past few days, some of our readers have encountered an error code when the BIOS boot menu is disabled. This issue can occur due to several factors. Let’s look at them now.

    If you are using PC graphics cards, hardware, or very specific systems such as Linux or earlier versions of Windows, you can disable Secure Boot.

    Why is my boot option not available in BIOS?

    If you don’t see this boot sequence, select Legacy BIOS mode and try installing Windows. Then decide in UEFI BIOS mode and check some boot sequences. Reset BIOS (press F9 to load defaults, press F10 to save and exit). If one of our hard drives is not recognized, please consider cleaning your hard drive.

    Secure Boot ensures that your computer only boots with firmware that the manufacturer can trust. You usually disable Secure Boot via the PC’s Firmware (BIOS) menu, but how you disable it depends on the PC manufacturer. If you’re having trouble disabling Boot Secure after following the steps below, contact your organization for help.

    Disable Secure Boot

    How do I enable a disabled boot in BIOS?

    The keyboard must be in the BIOS.Normally select the device and press Ctrl+1, but an exclamation mark will appear.Example of a deactivated ejection device! CD drive.Repeat the same process to reactivate the device.

    1. Before disabling autoload, make sure it’s necessary. From time to time, your company may update a calculated list of hardware, drivers, and operating systems available for your PC. To check for updates, go to Windows Update and visit the manufacturer’s website.

    2. Open PC BIOS menu:

    3. You can often access this gallery by pressing a key while the current PC is booting up, for exampleer F1, F2, F12 or Esc.Windows,

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    4. Lock the Shift key when Reload is selected. To resolve this issue, go to > Advanced Options: UEFI Firmware Settings.

    5. Look for the Secure Boot option in the BIOS menu. If possible, set it to Off. This setting is usually found in this Security tab, in the Startup tab, and/or possibly in the Authentication tab.

    6. Save changes and exit. The PC will restart.

    7. Install a graphic to a plastic, hardware, or operating system that is no longer compatible with secure boot.

      In some cases, you may need to change other useful firmware settings, such as enabling the Compatibility Support Module (CSM) to support legacy BIOS operating features. To use CSM, you may also need to reformat the entire drive to Master Boot Record (MBR) format and then reinstall Windows. For more information, see Customizing Windows Installation: Using the MB Partition StyleR or GPT.

    Re-enable Secure Boot

    1. Remove any hardware, map, or Google Photos operating system that is incompatible with Secure Boot.

    2. How do I enable BIOS boot options?

      Press the F2 key at the Dell logo screen to enter System Setup or BIOS.On the left rear panel, click Boot Sequence.The boot mode will probably be selected as UEFI (not Legacy) in the BIOS question, go to that particular “General” > “Boot Sequence”, then enable “Apply”.Make sure Secure Boot is simply set to Disabled.

      Open PC BIOS menu:

    3. You can often see this menu by pressing the answer key when the computer boots up, such as F1, F2, F12, or Esc.Windows,


    4. Hold down the Shift key and also select Restart. Go to Troubleshoot > Advanced Options: UEFI Firmware Settings.

    5. Currently finds the Secure Boot option, which is possible if you set it to Enabled. This feature is usually found on the Security tab, Home tab, or currently on the Authentication tab.

      Choose Custom on some PCs and then download the built-in Secure Boot PC Keys I would say.

      bios boot menu disabled

      If your PC does not allow you to enable Secure Boot, see Resetting the BIOS to restore factory settings.

    6. Save changes and exit. The PC will restart.

    7. If the PC does not boot after turning it on For Secure Boot, go back to the BIOS menu, disable Secure Boot, and try restarting your PC.

    8. If the above changes don’t work, but you still want to use secure boot, contact the manufacturer for help.

  • 2 minutes of reading
  • After disabling Secure Boot and installing a few other software/hardware components, you may need to factory reset your computer to enable Secure Boot again.
  • Be careful when changing BIOS settings. The BIOS menu has been expanded for users and there is an option to change a setting that could prevent your good PC from booting properly. Help you follow the manufacturer’s instructions exactly.
  • Most Helpful Answer