How to turn UEFI Secure Boot off on BIOS

How to turn UEFI Secure Boot off on BIOS


Have you ever tried to install the 2nd operating system on Windows or not, if it is then you probably have encountered some UEFI Secure Boot errors during the process of implementation, so what is UEFI Secure Boot and how to turn on and off UEFI How to Secure Boot on BIOS to fix this error?


In case if Secure Boot does not recognize the code that the user is trying to install, it will immediately stop the execution process again. Secure Boot is quite helpful in preventing malicious code from running on your system. In addition, this feature also prevents some legitimate operating systems like Kali Linux, Android x86 or TAILS.

Instructions on how to turn off UEFI Secure Boot

The following article will guide you Taimienphi.vn how to turn UEFI Secure Boot off on BIOS to allow you to run any dual operating system on your system.

Content:
1. UEFI Secure Boot
2. Turn off UEFI Secure Boot
3. Turn on Secure Boot
4. Error correction
5. Trusted Boot


1. What is UEFI Secure Boot?

Before learning how to enable UEFI Secure Boot on the BIOS, you should find out UEFI what? How is it different from BIOS? Refer to the content below for more details.
Secure Boot is a feature of Unified Extensible Firmware Interface (UEFI). UEFI is an alternative interface for BIOS, found on many devices. Basically, UEFI is a more advanced firmware interface with lots of customization and technical options.

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Secure Boot is something on security port. It analyzes the code before the user executes on his system. If the code has a valid digital signature, Secure Boot will allow the code to pass through the port. If the digitally signed code is not recognized, Secure Boot will lock that code and the system will require a reboot.
Sometimes in some cases your code is safe, and the code is obtained from a trusted source, but may not have a digital signature in the Secure Boot database.
For example, for example, you can download multiple Linux distributions directly on the developer site, using checksum software to check for fake distributions. But Secure Boot will still reject certain operating systems where some kind of code (such as drivers and hardware).

2. How to turn off UEFI Secure Boot
For safety reasons, Taimienphi.vn recommends that you do not turn off Secure Boot. Secure Boot protects your system from certain variants of malware (such as rootkits and bootkits).
Note that re-enabling UEFI Secure Boot may require a BIOS reset. Although resetting the BIOS will not lose your system data, it will remove custom BIOS settings. Even in some cases, users cannot permanently re-enable Secure Boot.

Here’s how to turn off UEFI Secure Boot:
Step 1: Turn off your computer, then turn it back on, while the computer boots, press the key to access the BIOS. Depending on the hardware type and models, the BIOS access key is usually the key F1, F2, F12, Esc or Del.
Windows users can press and hold Shift key then click Restart to access the Advanced Boot menu. Then choose Troubleshoot =>Advanced Options: UEFI Firmware Settings.
Step 2: Find options Secure Boot and the set is Disabled. The Secure Boot option is usually located in the Security tab, the Boot tab, or the Authentication tab.
Step 3: Save changes and exit the window. Your system will then reboot.
So you have disabled (turned off) Secure Boot successfully.

3. How to re-enable Secure Boot
If you want, you can still turn on Secure Boot to protect the system from malware and unauthorized codes. If you directly install an unsigned operating system, you will need to remove any traces and uninstall unsigned software or operating systems before re-enabling Secure Boot. Otherwise the process will fail.
Step 1: Uninstall unregistered operating systems or hardware that you installed when Secure Boot was turned off.
Step 2: Turn off your computer, then turn it back on, during booting, press the key to access the BIOS. Depending on the hardware types and models, the BIOS access key is usually the F1, F2, F12, Esc or Del keys.
Windows users can press and hold Shift key then click Restart to access the Advanced Boot menu.
Step 3: Find options Secure Boot and the set is Enabled. The Secure Boot option is usually located in the Security tab, the Boot tab, or the Authentication tab.
Step 4: If Secure Boot is not enabled, try resetting the BIOS to the original factory settings. After restoring the settings to their original state, try activating Secure Boot again.
Step 5: Save changes and exit the window. Your system will then reboot.
In case if the booting system fails, try disabling Secure Boot again.

4. Fix the error that enabled Secure Boot failed
There are a few small patches that we can try to use to boot the system with Secure Boot enabled.
– Make sure UEFI settings are enabled on the BIOS menu, which means that Legacy Boot Mode and similar settings are turned off.
– Check hard drive partition type: UEFI requires GPT partition type, and BIOS Legacy settings require MBR. To check the type of hard drive partition, enter Computer Management Go to the Search box on the Start Menu, then click on the search results. Choose Disk Management From the menu, then your main drive, right-click and select Properties. Your partition types are listed here.
If you want to convert from MBR to GPT, the only option to change the partition type is to back up your data and then clean the hard drive.
– Some firmware managers have options Restore Factory Keys, located in the same tab as the other Secure Boot options. If this option is available, restore the Secure Boot keys to their original state. Then save and exit the manager, reboot your system.

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5. Trusted Boot
Trusted Boot starts at the location where the Secure Boot stops, but only applies to the Windows 10 digital signature. When UEFI Secure Boot exceeds the threshold, the Trusted Boot will verify all aspects of Windows, including driver, boot file and more. others.
Like Secure Boot, if Trusted Boot detects broken or malicious components, it will refuse to load. The other difference, however, is that sometimes Trusted Boot can automatically fix these problems, depending on the severity.

https://thuthuat.taimienphi.vn/cach-bat-tat-uefi-secure-boot-tren-bios-33675n.aspx
The article on Taimienphi.vn has shown you how to turn off UEFI Secure Boot on BIOS. Turning off Secure Boot can pose a number of other risks. At the moment, Secure Boot is arguably more useful than ever, as ransomware, rootkits and other malicious variants are increasing. Secure Boot provides a UEFI system with a different level of system validation that gives users peace of mind.

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