After Windows 7 and XP are installed, how can I uninstall Windows 7 and delete Windows 7 startup items?

When Windows 7 is uninstalled, many users who have installed a dual-system will directly format the system partition where Windows 7 is located. However, when Windows 7 is started, there is still a win7 boot item in the boot menu, which is invalid. By default, the system automatically enters the invalid win7 boot item during startup, resulting in a "black screen ", you have to restart and manually select the previous System Startup menu. This article describes several methods to clear Windows 7 startup items.

Method 1:

After uninstalling win7 and logging on to the previous system, place the win7 installation CD in the optical drive, or use the virtual optical drive to load the ISO file of the win7 installation image. Assume that the drive letter is X.

Click Start> Run, Enter cmd, and press enter to open the Command Prompt window.

EnterX: \ Boot \ bootsect.exe/nt52 all/Force(Bootsect.exe) there is a space behind it, and there is a space before all; X refers to the drive letter of the win7 installation disc). wait a few seconds after you press enter, and the system will delete the win7 boot item, the Command Prompt window displays success and other characters, prompting that the operation is successful.

Then exit the Command Prompt window, pop up the optical drive or uninstall the virtual optical drive, restart the system, you will find that the win7 boot item has disappeared.

Note:

1. Based on the above principle, we can find a way to fix the win7 startup Item. You only need to change the commandX: \ Boot \ bootsect.exe/nt60 allYou can.

The hosts file is extracted to the local hard disk and placed in a folder other than the system partition, for example, in the 123 folder of partition D, in this way, you can execute the following command in the Command Prompt window to delete the win7 startup Item:

D: \ 123 \ bootsect.exe/nt52 all/Force

Method 2:

If you have installed XP and win7, you need to use the XP system installation disk to clear the Windows 7 startup items. In the XP system, place the XP installation disk in the optical drive, and restart the system to load the XP installation from the optical drive.ProgramPress the r key to go to system repair. Enter the administrator password (you do not need to enter the password if no password is set). Press enter, enter fixboot, and press Enter. Then, enter exit to exit.

If you have installed both Vista and win7, clear the win7 startup items as follows: In Vista, press win + R to open the "run" window, enter msconfig, and press Enter, when you open the system configuration program, you will find two "start" options, one of which is a familiar setting window similar to whether the application software in the XP system starts with the system, the other is the Management window of the dual-system boot menu. Delete Windows 7 from the drop-down menu. When you restart the system, you will find that Windows 7 has been cleared.