How to reset Ubuntu?
9063
Is there any other way to do a clean install withot formatting /home?
2136
How to roll back Ubuntu to a previous version?
94125
Accidently deleted /usr/lib, how do I restore it?
79880
How to boot to the recovery mode if it is not listed in Grub?
28979
Ubuntu system is broken after accidentally uninstalling many packages
67467
How do I delete one of two Ubuntus on my PC
12463
How do I delete Windows after an Ubuntu install?
5413
How can I repair grub? (How to get Ubuntu back after installing Windows?)
4200
Accidently deleted boot option on Dell laptop
105849
How to remove Windows after installing Ubuntu?
25586
How to recover files after deleted my Ubuntu partition?
38826
How to remove Ubuntu from dual boot system with Windows?
143622
Ubuntu doesn't boot!
146920
How to completely erase hard drive?
97903
Accidentally removed windows when dual booting (Ubuntu re-install wiped partitions)
81485
Forgot BIOS password, need to reset it
148973
How to restore Windows boot loader after removing Ubuntu