Lost everything while installation
174
How do I recover my accidentally lost Windows partitions after installing Ubuntu?
28979
Ubuntu system is broken after accidentally uninstalling many packages
35312
I deleted a folder in Ubuntu, how can I recover it?
135597
Software from Ubuntu Software broken after install
6501
How to reinstall configuration file
79163
Sources missing in /etc/apt/sources.list, how do I get them back?
72158
How to recover data from a failing hard drive?
26387
After Upgrade to Ubuntu 20.04: "Oh no! Something went wrong"
88318
How to back up my entire system?
91264
How to reinstall Ubuntu as part of dual boot?
75915
Where can I find a complete list of packages that I have installed after initial installation?
34367
How do I reinstall Ubuntu?
117427
Recovering a lost file with testdisk
40054
Recover Lost data/partition
143712
Repair Grub after install windows?
30233
How can I fix/install/reinstall grub?
59017
How to repair Ubuntu installation after interrupted dist-upgrade without losing any custom settings?