How to uninstall ubuntu from windows 7

[raonaq]

i installed UBUNTU 12.04 along with Windows 7 by mounting iso with a pendrive. But now i have not the UBUNTU file in my pen-drive. How to uninstall UBUNTU now?

 

[RealBeast]

You can use a Windows system repair disc or install disk like THIS.

 

[tripledouce]

just wipe the unbuntu partition from inside windows disk managment service.