How to change the Bios of Legacy in Uefi on the MSI laptop (2023)

If you buy a new computer, some settings must be configured so that the system works properly.

One of these settings is BIOS mode.If this setting is not configured correctly, you may have problems starting your MSI computer or accessing your files.

In this blog post we show you how to change the BIOS mode on an older MSI laptop in UEFI.

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How to change the legacy in UEFI MSI

This is a relatively simple process, but it is important that you follow the instructions exactly to avoid potential problems.

Make sure that your touchpad works properly so that you can navigate with it on your BIOS or simply deactivate the touchpad and serve the keyboard for navigating.You can also change the keyboard color on your MSI laptop to any color if you want to see better to see better if you are in a dark atmosphere.

In Windows 7, 8 and 10 you can change the start options in the BIOS / UEFI settings of your computer.Follow the following steps:

1. Restart the computer and press the "DEL" button or another button with which you can insert the BIOS / UEFI settings.

2. In the BIOS / UEFI menu, go to the "Boot" tab and look for a configuration or "boot order" or "start options".

3. If your BIOS / UEFI has a configuration "starting order", change the order of the devices so that the main unit of your computer is listed first.For example, if your main device is a hard drive, I would go up the list.

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4. If your BIOS / UEFI has a setting "Start Options", activate the "USB start" or "CD / DVD start" option so that your computer starts with a bootable USB device or a CD / DVD.

5. Save your changes and skirt in the BIOS / UEFI menu.Your computer should now initialize from your main device.

If you have problems changing the starting order of your devices, you may need to update your BIOS / UEFI firmware.

(Video) How to Securely Convert Legacy BIOS System to UEFI Firmware, Enable Secure Boot Windows 11

What is the initialization mode in the MSI?

As the name suggests, the inherited boat mode refers to the ability of a computer to start with the conventional BIOS system.

This is in contrast to the latest UEFI standard, which is gradually replacing BIOS as the main method for starting computers.

Many MSI laptops support Legacy and UEFI initialization modes and offer users the flexibility to choose which they want to use.


One advantage of the inherited start mode is that it is compatible with a variety of operating systems and software.

This means that you can usually install any operating system on a computer that supports the Legacy Start -up without causing compatibility problems.

In addition, many older devices and peripheral devices are only compatible with the inherited initialization. This means that the use of this mode may be necessary if you want to use it on your computer.


However, there are also some disadvantages when using the start mode inherited in card mode.It can be less safe than UEFI because the BIOS system can penetrate relatively easily.

In addition, the inherited Koot mode can be slower than UEFI because the BIOS system is not that efficient.If you are looking for the best performance and security, use the UEFI start mode on your MSI laptop.

In short, the initialization mode inherited by MSI -Laptops is a reserve, since the time when the BIOS was the main method for initializing computers.

Although it has its advantages, it is not as good as UEFI in terms of performance and security.Therefore, you should usually use the UEFI mode, unless you have a certain reason for the use of the inherited start mode.

Related - MSI Startup menu key [starting order, BIOS, troubleshooting]

What is the UEFI start mode in MSI?

The Unified Extensible Firmware Interface (UEFI) is a specification that defines a software interface between an operating system and the platform firmware.A UEFI should replace the basic firmware interface of the input/output system (BIOS) used in most personnel computers.

MSI -Laptops are activated by UEFI and therefore enable you to start a USB or DVD unit in UEFI mode.Simply change the starting order in the BIOS/UEFI settings and define the desired device as the first priority.

As soon as you do this, you can insert the Windows installation disc or USB unit and start.The keys to the sequel.

(Video) How to Convert UEFI to Legacy of Installed Windows 10/8.1/7 (Complete Tutorial)

If you reinstall Windows from scratch, you will be asked to select your preferred language, currency time and keyboard or input method.Select "User -defined installation" on the next screen.

Select "Where to install Windows?" On the screen.

How do I do UEFI in MSI BIOS?

To activate UEFI in MSI -BIOS, you have to enter the BIOS settings and activate the UEFI start mode.This can be done by entering the BIOS menu with the start menu key and the selection of the starting instructions.

On the starting manual you have to select the UEFI start mode and save and end BIOS.After activating the UEFI start mode, you can boot in UEFI -BIOS.

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MSI start mode select gray gray

If you have problems initiating your laptop, this can be because the "Start mode" option is gray in BIOS.

This configuration controls whether your computer initializes in heritage or UEFI mode.If it is defined in the wrong mode, this can prevent your computer from starting correctly.

In most cases, the option for the start mode is located on the "Boot" tab of the BIOS.If you don't get there, try to search the "Advanced" tab that may be available.

As soon as you have found the configuration, change -a change as your operating system is used.For example, if you try to install Windows 10, you have to define the start mode to continue.

If you still have problems initiating your laptop after changing the start mode, your BIOS may be simply old to support UEFI mode.

In this case, you have to update your BIOS to the latest version to continue.Check the MSI's official website to determine whether BIOS updates are available and follow your instructions for installing the update.

With a recent BIOS you can initialize in UEFI mode without any more problems.

How to deactivate CSM in BIOS in MSI

If you want to deactivate CSM in the MSI laptop, follow the following steps:

1. Enter the BIOS configuration by pressing the "DEL" button when the MSI logo takes place according to the computer.

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2. Go to the "Boot" tab and enter the starting priority.

3. Save and end the BIOS configuration.Now your computer starts without CSM in the USB unit.


1. How to Change Legacy to UEFI in Windows 10
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