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Last updated on 2024年6月17日

How can you ensure your preferred OS boots first in a dual-boot setup?

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Navigating through a dual-boot setup can be tricky, especially when you have to choose which operating system (OS) boots up first. A dual-boot system is one where two operating systems are installed on the same computer, allowing you to choose which one to use at startup. Ensuring your preferred OS boots first can save you time and streamline your workflow. Let's dive into how you can set your favorite OS as the default in your dual-boot configuration.

本文章的要点总结

Tweak BIOS settings:

Enter your computer's BIOS or UEFI during startup and adjust the boot order to prioritize your preferred OS. This ensures your chosen OS loads first every time you start your computer.### *Modify boot options in OS:Use tools like Windows System Configuration or edit GRUB settings in Linux to set your default OS. This method allows you to control the boot sequence directly from within the operating system.

本摘要由 AI 和以下专家提供支持

Kamakshi Madaan

AI ML
Alejandro Montero Ruiz

Administrador de sistemas informáticos…

1 Boot Order

The boot order in your computer's BIOS (Basic Input/Output System) or UEFI (Unified Extensible Firmware Interface) settings determines which OS loads first. To change the boot order, restart your computer and enter the BIOS or UEFI settings by pressing a specific key, usually F2, F12, Del, or Esc, displayed during startup. Navigate to the boot section and adjust the boot priority to list your preferred OS's bootloader first. Save your changes and exit; your computer will now boot into the selected OS by default.

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Kamakshi Madaan

AI ML
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Using Grub Customizer 1) Install Grub Customizer 2) Launch Grub Customizer and enter your password. 3) In the "Boot options" tab, select your preferred OS from the "Default operating system" dropdown. 4) Click "Save".

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Alejandro Montero Ruiz

Administrador de sistemas informáticos en IaaS365 | Grado Superior en Sistemas Informáticos en Red
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Para arrancar un sistema operativo específico desde la BIOS/UEFI de un PC: Acceder a la BIOS/UEFI: Reinicia el PC y presiona la tecla correspondiente (usualmente F2, F10, Delete). Navegar en la BIOS/UEFI: Usa las teclas de dirección para encontrar la sección "Boot" o "Boot Order". Configurar el orden: Selecciona el dispositivo donde está el sistema operativo (USB, disco duro) y muévelo al primer lugar usando las teclas indicadas (+, -, F5, F6). Guardar y salir: Guarda los cambios y sal de la BIOS/UEFI en "Save & Exit". Reiniciar: El PC arrancará siguiendo el nuevo orden. Para un arranque temporal, usa F12 durante el arranque para acceder al menú de arranque y selecciona el dispositivo deseado sin cambiar la BIOS permanentemente.

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Christian Rodriguez

Information Security Technical Managment
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This is probably one of the most overlooked aspects of setting up your boot order, and one of the best ways to save time by not starting the wrong operating system.

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Richard Mawuli Quarshie

General Manager | Projects Lead at Pario Digital
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To ensure your preferred OS boots first in a dual-boot setup, configure the bootloader accordingly. For GRUB (common with Linux and Windows), edit /etc/default/grub, set GRUB_DEFAULT to your preferred OS or its menu index, and update GRUB with sudo update-grub. For Windows Boot Manager, use msconfig to set the default OS under the "Boot" tab, or use bcdedit in Command Prompt to set the default identifier. Additionally, you can adjust the boot order in BIOS/UEFI settings by setting your preferred OS's drive as the first boot device and saving the changes.

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George Mendes Marra

Computer scientist
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Para garantir que o seu sistema operacional GNU/Linux inicialize primeiro em uma configura??o de dual boot, você precisa alterar a ordem de inicializa??o no BIOS ou UEFI do seu computador. As etapas específicas variam de acordo com o fabricante e a vers?o do BIOS/UEFI.

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2 OS Settings

Certain operating systems allow you to change the boot order from within the OS itself. For example, in Windows, you can use the System Configuration tool by typing msconfig into the Run dialog (accessed by pressing Win+R). Go to the 'Boot' tab, select your preferred OS, and click 'Set as default'. In Linux distributions, you can modify the GRUB (GRand Unified Bootloader) configuration file typically located at /etc/default/grub and then update GRUB with the update-grub command.

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3 Boot Manager

Third-party boot managers offer a user-friendly interface to manage boot options for dual-boot systems. These tools often provide more features than the default boot managers included with most operating systems. With a boot manager, you can easily select the default OS, change the order of boot entries, and customize the boot menu's appearance without delving into system settings or command lines.

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4 Command Line

For those comfortable with command-line interfaces, both Windows and Linux offer commands to set the default OS in a dual-boot setup. In Windows, you can use the Command Prompt with administrative privileges to run the bcdedit command, which allows you to configure the Boot Configuration Data (BCD). In Linux, editing the GRUB settings through the terminal provides granular control over the boot process.

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5 Recovery Options

If you encounter issues while changing boot settings, both Windows and Linux have recovery options that can help restore the boot loader to a working state. Windows Recovery Environment can be accessed by booting from a Windows installation media and selecting 'Repair your computer', while most Linux distributions offer a live CD or USB option that allows you to repair GRUB.

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6 Safety Measures

Before making changes to the boot configuration, it's crucial to take safety measures. Always back up important data in case something goes wrong during the process. Understanding how to revert changes is also important, as incorrect settings can prevent your computer from booting properly. Ensure you have recovery tools at hand, like a bootable USB drive with your OS installer, which can be used to repair or reinstall the bootloader if necessary.

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Leandro Medeiros

Agile Master | Lideran?a em Equipes ágeis
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It's always good to remember to back up important data before doing anything, because you never know what might go wrong. Knowing how to undo changes is crucial since an incorrect configuration can prevent the computer from booting properly. Having a bootable USB drive with the operating system on hand for emergencies is a great tip and can save the day if something goes wrong.

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7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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How can you ensure your preferred OS boots first in a dual-boot setup?

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2

3

4

5

6

7

1 Boot Order

2 OS Settings

3 Boot Manager

4 Command Line

5 Recovery Options

6 Safety Measures

7 Here’s what else to consider

Operating Systems

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How can you ensure your preferred OS boots first in a dual-boot setup?

1

2

3

4

5

6

7

1 Boot Order

2 OS Settings

3 Boot Manager

4 Command Line

5 Recovery Options

6 Safety Measures

7 Here’s what else to consider

Operating Systems

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