HP Envy 6-1011tu Notebook can't install any other windows

anshulsingh407

Junior Member
Feb 21, 2013
2
0
0
www.hybridtweaks.com
Hello Guys , Please help me on this topic , I have a HP Envy 6-1011tu Notebook . Last few days ago i installed a Ubuntu . Ubuntu delete my all partition like HP tools and Recovery Partition Now i want to install a Windows 7 by disc i give a error message because of pre-installed windows . Please tell me how to install a new windows by disc or remove a pre-installed windows.