delete and reinstall ubuntu
67467
How do I delete one of two Ubuntus on my PC
126048
What's the Best Practice reinstalling windows 7 on a dual boot with ubuntu 11.04
76122
How to uninstall Ubuntu from a dual boot system?
80938
How to remove Ubuntu 12.10 from dual boot with Win 7?
91264
How to reinstall Ubuntu as part of dual boot?
10358
How do I remove Windows but keep Ubuntu?
28535
How I do a system restore?
50683
How to move Ubuntu installation to new drive
81834
How to remove Windows and partition on dual boot system
19762
How to reset Ubuntu installation
2018
How to remove everything Ubuntu One-related?
29358
How do I replace Windows with Ubuntu, yet keep my data?
30004
How can I uninstall software?
147976
What do I have to do before giving away my Ubuntu machine?
69355
erase ubuntu and reinstall will it affect windows and other windows partitions
55389
How Do I Remove Ubuntu and Install Windows 7?
67465
How do you completely remove ubuntu-desktop along with all installed packages with it?