How to Reinstall Ubuntu: Step-by-Step Guide

The steps to reinstall the Ubuntu system are as follows:

  1. Back up data: Before reinstalling the system, make sure important files and data have been backed up to an external device or cloud storage.
  2. Download Ubuntu system: You can download the latest version of Ubuntu system image file from the official Ubuntu website (https://ubuntu.com/).
  3. Create a bootable disk: Use tools like Rufus or Etcher to write the Ubuntu image file onto a USB flash drive or DVD.
  4. Start the computer by inserting the prepared boot disk and restarting the computer.
  5. Access the BIOS settings: press the appropriate key during computer startup to enter the BIOS settings screen (usually F2, F10, Del key), and set the boot sequence to start from the USB drive or DVD.
  6. When installing Ubuntu, selecting the boot disk will bring you to the installation interface. Follow the on-screen prompts to choose the language, keyboard layout, and other options, then click the “Install Ubuntu” button.
  7. Choose the installation options: During the installation process, you can decide whether to update and install third-party software, as well as whether to wipe the disk and reinstall the system. Choose according to your personal needs.
  8. Partition settings: If you want to customize the partition, select “Other options” and follow the on-screen instructions; if you do not require custom partitioning, you can choose the “Automatic installation” option.
  9. Set up user and password: During the installation process, you will need to create a username, password, and computer name.
  10. Installation complete: Wait for the installation process to finish, then click the “Restart” button to reboot the computer.
  11. Update the system: After restarting, open the “Terminal” application and run the “sudo apt update” and “sudo apt upgrade” commands to update the system and software packages.
  12. Recover data: Import the previously backed up data into the newly installed Ubuntu system.

Please make sure to backup important files and data before reinstalling the system, and be cautious when partitioning and operating on data to avoid irreversible data loss.

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