Disable UEFI on Win8 to install Linux

Abstract: If you have purchased a computer preinstalled with Windows, Windows 8 or Windows 8.1. Microsoft has replaced BIOS with UEFI since Windows 8. Although UEFI was not invented by Microsoft, it existed before Windows 8. For example, some Mac devices have been using UEFI for some time. Start. UEFI has the following features: & ldquo; secure startup & rdquo; the boot program only starts Abstract:Now, if you buy a computer preinstalled with Windows, Windows 8 or Windows 8.1. Microsoft has replaced BIOS with UEFI since Windows 8. Although UEFI was not invented by Microsoft, it existed before Windows 8. For example, some Mac devices have been using UEFI for some time. Start.

UEFI has the "secure Boot" feature. Boot programs only start Boot Loader programs signed by UEFI firmware. This security feature prevents Rootkit malware and provides an additional security layer. However, it has one drawback. If you want to guide Linux on a Win8 computer, the security mechanism will block this. This article tells you how to disable UEFI Security boot in Win8 to support Linux dual-system startup.

Disable UEFI secure startup on Windows 8 & 8.1

There are various sayings about secure startup. Thanks to these rumors, some people almost think it is impossible to start Linux on a computer preinstalled with Windows 8. Although this is true on the arm pc, security boot can be disabled on Intel-based systems. Honestly,Disable UEFI secure startupIt is not an arduous task. The same dual-boot Linux and Windows 8 are not.

Although in the BIOS era, accessing the BIOS is quite simple, simply press the F10 or F12 key at startup. But in the UEFI world, it is different. To access UEFI settings, you must go to Windows. Let's take a look at how to access UEFI settings in Windows 8 to disable secure boot.

Step 1: Go to PC settings

Click Windows + I to go to the Windows Settings page. At the bottom, you will see the options for changing the computer settings. Click it.

Step 2: Go to Advanced Startup

On Windows 8 and Windows 8.1, there is a slight difference in PC settings. Perform the following operations according to the system you are using:

Windows 8: In Windows 8, you need to go to general PC settings and selectAdvanced StartupAnd then clickRestart now:

Window 8.1In Windows8.1, click from the left sidebarUpdate and recovery:

ClickRestart nowUnderAdvanced Startup:

Don't worry! This will not immediately restart, but will see some options in the next step.

Step 4: Go to UEFI settings

When you click the restart now button, you will see some options on the next page. SelectTroubleshooting:

InTroubleshootingIn the menu, selectAdvanced options:

In the advanced options menu, selectUEFI firmware settings:

Next, in UEFI settings, clickRestartClick the button to restart your system and you will see a BIOS-like interface.

Step 5: Disable secure boot in UEFI

At this time, you must have started the UEFI tool interface. You can change the settings here. But what we want to do is to disable the secure boot option and allow Dual Boot for Ubuntu or any other Linux version.

Move to the launch tab, where you will findSecurity GuidanceOption is enabled. Use the arrow keys to enter the Security boot option, and then pressEnter keyTo select it. Use + or-to change its value. Press * F10 to save the changes.And exit UEFI settings.Confirm when prompted **.

 

Next, you will boot to Windows normally. Now, you can start Windows 8, Ubuntu, or other Linux operating systems. In a short time, I will write a tutorial on how to enable Ubuntu and Windows 8 UEFI. Stay tuned.

I hope this tutorial will help you disable the security guide for Windows 8 and Windows 8.1. If you have any questions or suggestions, please feel free to comment.

Via: http://itsfoss.com/disable-uefi-secure-boot-in-windows-8/

Translator: MikeCoder Proofreader: Caroline

This article was originally translated by LCTT and launched in Linux in China