Secure Boot can be enabled through UEFI settings. The specific steps are as follows: 1. Make sure the system supports UEFI and is in the off state; 2. Press a specific key when powering on (such as Dell is F2/F12, HP is F10, Lenovo is F1/F2, ASUS is Del/F2, Acer is F2/Del) to enter the UEFI settings; 3. Find the Security or Boot tab, set Secure Boot to Enabled, and select Standard or Custom mode; 4. Save settings and restart; 5. Check whether the "Security Boot Status" is "Open" by running msinfo32. Note: The system needs to be installed in UEFI mode. Windows 10/11 is supported by default. Some Linux requires additional configuration. If it cannot be started, the default settings can be restored.
Secure Boot is a security feature of UEFI firmware that prevents unauthorized operating systems or malware from loading when a device starts. If you plan to enable Secure Boot, make sure your system supports UEFI and is currently off.

Enter the UEFI setting interface
The first step to enabling Secure Boot is to enter the device's UEFI setup interface. This interface is usually entered when powered on by pressing specific function keys (such as F2, F10, Del, or Esc) depending on your computer brand.
- Shortcut keys corresponding to different brands:
- Dell: F2 or F12
- HP: F10
- Lenovo: F1 or F2
- ASUS: Del or F2
- Acer: F2 or Del
After entering, find the "Security" or "Boot" tab, which should contain the Secure Boot settings item.

Turn on the Secure Boot function
After you find the Secure Boot option in UEFI settings, change it from "Disabled" to "Enabled". Some devices may also offer "Standard" or "Custom" modes:
- Standard Mode : Use the default Microsoft signature key, suitable for most users.
- Custom Mode : Allows users to customize trusted signature keys, suitable for enterprise or advanced users.
After selecting the appropriate mode, save the settings and exit, the system will automatically restart.

Check whether Secure Boot is effective
After restarting, you can confirm whether Secure Boot is enabled through the system information tool:
- Press
Win R
to open the run window, entermsinfo32
and press Enter. - Check the "Safe Start Status" item on the right:
- If "Open" is displayed, Secure Boot is enabled successfully.
- If "Not Supported" or "Off" is displayed, you may need to recheck the UEFI settings or the system meets the requirements.
Notes and FAQs
- Secure Boot cannot be enabled in Legacy BIOS mode : Make sure the system is installed in UEFI mode instead of the traditional Legacy BIOS mode.
- Operating system compatibility : Windows 10 and Windows 11 support Secure Boot by default. If you have a non-signature system (such as some Linux distributions), additional configuration may be required.
- Restore default settings : If the system cannot boot after the change, you can enter UEFI settings again, restore the default configuration or turn off Secure Boot.
Basically that's it. The operation is not complicated, but some details are easy to ignore, such as whether the startup mode and system version match. Secure Boot should be enabled smoothly by confirming that your device supports UEFI and installing the system in the correct way.
The above is the detailed content of How to enable Secure Boot on Windows?. For more information, please follow other related articles on the PHP Chinese website!

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