When installing dual-system Ubuntu, you need to first ensure that your computer has enough hard disk space to install Ubuntu and that another operating system (such as Windows) has been installed. The following are the basic steps to install dual-system Ubuntu:
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Back up your data : Before starting, you should back up your important data in case something goes wrong during the installation process.
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Download Ubuntu : You can download the Ubuntu ISO image file from the official Ubuntu website.
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Create a boot disk : You will need a USB flash drive to create an Ubuntu boot disk. You can use tools such as Rufus or Universal USB Installer to create a bootable disk.
The steps to create an Ubuntu boot disk are as follows:
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Download the Ubuntu ISO file : First, you need to download the Ubuntu ISO image file from the official Ubuntu website.
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Prepare a USB flash drive : You will need an empty USB flash drive with a capacity of at least 4GB. Please note that the process of creating a boot disk will delete all data on the USB drive, so if there is important data on the drive, please back it up first.
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Download and install Rufus : Rufus is a tool for creating boot disks. You can download and install it from the official website of Rufus.
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Use Rufus to create a boot disk :
- Open Rufus and plug in your USB flash drive.
- In Rufus' interface, select your USB drive.
- In the "Boot selection" section, select "Disk or ISO image" and then click "Select" to find and select the Ubuntu ISO file you downloaded.
- In the "Partition scheme" and "Target system" sections, select "MBR" or "GPT" and "BIOS" or "UEFI" depending on your computer's hardware and the version of Ubuntu you want to install.
- Click "Start" and Rufus will start creating the Ubuntu boot disk. This process may take some time, but once it's complete your USB flash drive will become an Ubuntu boot disk.
The above are the steps for using Rufus to create an Ubuntu boot disk. Please note that these steps may vary slightly depending on your specific situation. Before starting, you should read Rufus' official documentation and make sure you understand what each step means.
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Adjust BIOS settings : Restart your computer, enter BIOS settings, and set the USB flash drive as the preferred boot device.
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Start the Ubuntu installer : Boot your computer from the USB flash drive and the Ubuntu installer should start automatically.
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Select "Install Ubuntu" : On the Ubuntu installer's welcome screen, select "Install Ubuntu".
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Select the installation type : On the Installation type screen, select Install Ubuntu alongside Windows or Other options if you want manual partitioning.
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Partition : If you selected "Other options", you need to manually create a new partition for installing Ubuntu. You should create a partition with at least 20 GB of space.
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Choose your time zone and keyboard layout : Follow the prompts to choose your time zone and keyboard layout.
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Create a user account : Enter your username and password to create a new user account.
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Start the installation : Click "Install Now" and the Ubuntu installer will start installing Ubuntu.
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Restart your computer : After the installation is complete, restart your computer. When your computer boots up, you should see a boot menu giving you the option to boot Windows or Ubuntu.
The above are the basic steps for installing dual-system Ubuntu. Please note that these steps may vary slightly depending on your specific situation. Before starting the installation, you should read Ubuntu's official installation guide and make sure you understand what each step means.