How To Install Ubuntu On Your PC Using The Mini ISO

Ubuntu, a powerful and versatile Linux distribution, offers various installation methods, including the use of a minimal installation ISO, commonly known as the Mini ISO. This guide will walk you through the process of installing Ubuntu on your PC using the Mini ISO, allowing for a customized and lightweight installation tailored to your preferences.

Understanding the Mini ISO:

The Mini ISO is a lightweight installer designed to fetch the latest packages from Ubuntu repositories during the installation process. Unlike the standard Ubuntu ISO, the Mini ISO requires an active internet connection throughout the installation.


Before starting the installation, ensure you have:

  1. Mini ISO: Download the latest Mini ISO from the official Ubuntu website.
  2. A Bootable USB Drive: Create a bootable USB drive with the Mini ISO using tools like Rufus (Windows) or dd command (Linux).
  3. Active Internet Connection: Since the Mini ISO fetches packages during installation, a stable internet connection is necessary.
  4. Backup Data: Ensure to back up any important data on your PC before proceeding.

Step 1: Booting from the Mini ISO USB Drive

Insert the bootable USB drive into your PC and restart it. Access the BIOS or UEFI settings (usually by pressing F2, F12, Del, or Esc during startup) and set the USB drive as the primary boot device. Save changes and exit to boot from the USB drive.

Step 2: Initiating the Installation

Once the system boots from the Mini ISO, you’ll be presented with a text-based installer. Select your preferred language and proceed.

Step 3: Network Configuration

Connect to your network when prompted. The installer will detect and configure the network settings, allowing package retrieval during installation.

Step 4: Partitioning and Disk Setup

The installer will prompt you to partition the disk. You can choose guided partitioning or manually configure partitions based on your preference. Be cautious when partitioning to avoid data loss.

Step 5: Package Installation

The Mini ISO will start fetching required packages from the Ubuntu repositories. This process may take some time, depending on your internet speed.

Step 6: Base System Installation

Follow the on-screen instructions to configure the base system settings, including timezone, user account creation, and password setup.

Step 7: Boot Loader Installation

The installer will prompt you to install the GRUB boot loader. Confirm the installation to allow the system to boot into Ubuntu after the installation is complete.

Step 8: Finalizing the Installation

Once all packages are downloaded and installed, the installer will prompt you to reboot the system. Remove the USB drive and press Enter to reboot.

Post-Installation Configuration:

After the system reboots, you’ll have a basic Ubuntu installation. To customize and enhance your experience:

  • Update and Upgrade: Run sudo apt update followed by sudo apt upgrade in the terminal to ensure your system is up-to-date.
  • Install Additional Software: Use apt or Ubuntu Software Center to install desired applications.
  • Customize Desktop Environment: Explore different desktop environments or tweak settings according to your preferences.

Troubleshooting Tips:

  • Network Issues: If there are network problems during installation, check your connection and ensure proper network settings.
  • Partitioning Errors: Double-check partitioning to avoid accidental data loss.
  • Boot Loader Issues: In case of booting problems, verify the GRUB installation and boot device priority in BIOS/UEFI settings.


Installing Ubuntu using the Mini ISO offers a lightweight and customizable experience tailored to your requirements. By following these steps and customizing your installation, you can harness the power and versatility of Ubuntu on your PC.

Remember, the Mini ISO installation may require some technical knowledge, but it grants you the freedom to build an Ubuntu system optimized for your needs.

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