How to disable Secure Boot in the BIOS Menu?

Updated with May 20th, 2025

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To enter the BIOS menu, repeatedly press the Delete/Del key during startup or restart. Then, navigate to the セキュリティ tab using the arrow keys, select the セキュアブート option, change it to Disabled, and save（F4） the settings.

Video Guide

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Text Tutorial

Steps to Disable Secure Boot:

• Access BIOS/UEFI Setup
  • Restart your computer.
  • As soon as the system powers on, repeatedly press the Delete (Del) key to enter BIOS.
• Navigate to Secure Boot Settings
  • Use the 矢印キー to go to the セキュリティ または Boot tab.
  • Locate the セキュアブート option.

• Disable Secure Boot
  • 選択 セキュアブート and change it from Enabled to Disabled.

• Save & Exit
  • プレス F4 (or select Save & Exit Setup).
  • Confirm with はい to apply changes.

• Restart Your Computer
  • The system will reboot with Secure Boot disabled.

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ご視聴ありがとうございます。間違いがありましたら、訂正をお願いします。