How to Repair a Broken Ubuntu System

There are many ways to repair a damaged Ubuntu system, and the specific method depends on the extent and cause of the damage. Here are some common repair methods:

1. Boot the system using a Live CD or USB, then perform repair operations such as fixing file systems, installing updates, etc. through the Terminal.
2. Use the fsck command to check and repair errors in the file system.
3. Fix the boot loader using the grub command.
4. Repair damaged software packages using the dpkg command.
5. If the above methods do not work, you can consider reinstalling the system, but make sure to backup important data beforehand.

If the above methods fail to fix the system damage, it is recommended to seek help from professionals or contact the official Ubuntu community for assistance.