How to uninstall Win7

in dual system Because the computer system is different, many people have difficulty in uninstalling dual system Windows 7: Windows 7 partition can't be formatted, dual system startup items don't know how to deal with it.
In fact, dual system uninstall Windows 7 is also a trick, if it is installed XP and Windows 7 dual system, want to completely uninstall Windows 7, you need to deal with the dual system boot boot menu, remove the dual system sharing After using the boot manager, the partition where Windows 7 is located can be formatted normally. The method is as follows:
First, boot to XP system, put the Windows 7 installation CD in the computer CD-ROM (if you download the ISO image file, you can use the virtual drive Deamon tools to read and load the Windows 7 CD image to virtual In the optical drive).
Secondly, click “Start Menu/Run” to bring up the command line window. Enter k:bootbootsect.exe /nt52 all /force in the command line window and hit enter to run. It should be noted that K is the drive letter of the Windows 7 installation CD in this example. You need to change K to your own drive letter according to the drive letter you put into the Windows 7 CD.
Again, pop up the Windows 7 installation CD; next, restart the computer, we can find the dual system boot menu Windows 7 system startup items and early version windows option disappeared, directly into the XP system, which indicates dual system boot The boot menu has been deleted.
Finally, in the XP system after reboot, you can now manually delete Windows 7 files and folders, such as program files, users and windows folders. If there are no other important files, it is most troublesome to directly format the partition where Windows 7 is located. This will uninstall Windows 7 under XP.