Fix Ubuntu Boot After Disk Expansion

1 year ago
Emily Johnson
1 minute

If you are unable to access the system after expanding the disk space of the Ubuntu system, it may be due to improper operation causing the system to fail to boot or the file system to become damaged. Here are some possible solutions:

  1. Boot the Ubuntu system using a Live CD or Live USB. Choose to start from the Live CD or Live USB during boot and enter the Live environment.
  2. Check the disk partition table and file system status. Use the command sudo fdisk -l to view the disk partition situation, and use sudo fsck /dev/sdXX to check and repair the file system.
  3. Reinstall the bootloader. If the bootloader is damaged and causing the system to not boot, you can try reinstalling the bootloader. Use sudo grub-install /dev/sdX to reinstall the GRUB bootloader.
  4. Restore system backup. If the above methods do not solve the problem, consider using a system backup to restore the system state.

If you are unsure how to perform the above actions, it is recommended to seek help from a professional or consult the Ubuntu community forums. Before proceeding with any actions, be sure to back up important data to prevent data loss.

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