How to safely uninstall win7 xp dual system

        1, Win2000 and Win9x /WinMe

due to the different cores are used and Win2000 previous Win9x /WinMe, so the operation can not be upgraded, but provides a good Win2000 dual system coexist function. If you want to delete one system separately and save another system, it is not so simple. The following will be introduced separately. Win2000 in the multi-system

1. Delete

prepare a Win98 boot disk, and then execute the following command.

fdisk /mbr master boot rewritable hard disk.

sysC: transfer Win98 system files.

deltreeC: \\WINNT delete Win2000 system file storage directory.

deltreeC:. Delete all files \\boot * * beginning with boot, here how the file system boot menu.

deltreeC:. \\Nt * *  delete all files beginning with nt.

deltreeC: \\hiberfil.sys delete the save file system settings.

deltreeC: \\pagefile.sys delete the page file. Win2000

to delete after completion of the above operations. Win9x in the multi-system

2. Delete

must first confirm that your default start Win2000 but is not Win9x, if it is Win9x need to modify its startup sequence. Click "My Computer" under Win2000, open "Properties" in the right-click menu, select "Advanced" in "System Features", click the "Startup and Recovery" button, you can modify the startup sequence in the next window. At the same time, you can also modify the startup time. You can change the boot time to 0 so that the boot menu option does not appear at startup, but instead starts Win2000 directly.

Win9x and then delete the system directory, including Windows and ProgramFiles directory. If you are putting Win9x and Win2000 on the same partition, just delete the Windows directory, because in this case the ProgramFiles directory is common in Win2000 and Win9x. Then remove the Win9x boot files, including io.sys, msDOS.sys, command.com, autoexec.bat, and config.sys.

after the completion of the above operation, you restored Win2000 single system of. This method is also tried for WinME and Win2000 dual systems.

for a single system and upgrade the system uninstall Windows is relatively simple, but relatively speaking, in a multi-system delete a system more complex. Therefore, for a system with multiple systems, it is best to back up important files and use them after recovery.

2, XP and ME

Q: My computer installation is WindowsMe and WindowsXP dual system, I now want to uninstall WindowsXP system D drive, how to uninstall? Is the formatted D drive?

A: The simple format the D drive does not completely uninstall WindowsXP. To completely uninstall Windows XP, you can directly delete the Windows on the D drive (you install the Windows XP directory), ProgramFiles and DocumentsandSettings folder (please ensure that the D drive is FAT32 format, otherwise WindowsMe cannot be accessed, must be converted to FAT32 format), and then Delete the following files in the C drive: ntldr, ntdetect.com, boot.ini, ntbootdd.sys (if you have SCSI devices) and bootfont.bin, and finally boot the computer with the WindowsMe boot CD, execute the command: a:/sysc: Windows XP can be completely uninstalled.