How to reset the system in Ubuntu?

To reset the Ubuntu system, you can follow the steps below.

1. Back up all important data: Resetting the system will erase all files and settings, so make sure to back up all important data to an external storage device or cloud storage service before starting.

2. Create an Ubuntu installation medium: Download the latest version of the Ubuntu ISO file and use it to create a bootable USB installation device or disk.

To enter the BIOS settings, restart the computer and enter the BIOS settings screen. Depending on your computer model, you may need to press the F2, F12, or Del key to access the BIOS settings.

4. Change the boot order: In the BIOS settings menu, locate the boot options and set the USB device or CD-ROM as the preferred boot device. Save the settings and exit the BIOS.

5. Install Ubuntu: Insert the prepared Ubuntu installation media into the computer and restart it. Follow the instructions of the installation wizard, select the “Install Ubuntu” option, and complete the installation process as guided on the screen.

6. Select the reset option: During the installation process, when the system asks you how you want to install Ubuntu, choose “Other Options” or “Custom Installation”. Next, select the option “Erase disk and install Ubuntu”, then click on the “Continue” button.

7. Reset confirmation: The system will display a warning message reminding you that this action will erase all data. Make sure you have backed up important data and confirm you want to proceed with the reset operation.

8. Installation Complete: The installation program will automatically finish the reset operation, restoring the system to its original state. Wait for the installation process to finish and follow the prompts on the screen to restart the computer.

After resetting the Ubuntu system, you will need to reconfigure and reinstall all software and settings. Make sure to back up important data before resetting and perform necessary recovery operations after the reset.