The computer has been installed with genuine WIN7, how can I install XP again to use dual systems

Install XP in win7 operating system and then place VistabootPro in the next software

Open the XP installed after adding your own after adding the default OS as Win7, select the hard disk partition where the XP is located, it is recommended not to install it in a hard disk partition. Then that's it, if it doesn't work, boot XP and then open VistaBootPro

Select Reinstall in the bootloader

thevista

bootloade

The problem is that XP may not bring you some hardware drivers, you have to go to the network by yourself, I recommend that you first download the network card driver, otherwise you can't get on the network.

Some drivers must be installed under win7,Then you can only use win7 first,Install win7 and then install XP,There are often situations where you can only enter the XP system and can't enter the win7 system,You can use the following methods to solve:

1. Enter the XP system and run CMD as Administrator;

2. Insert the Vista installation disk and run:

cd-rom):\boot\bootsect

nt60all

3. Enter the X: Windows System32 directory (X is the system disk of Vista);

4. Back up the bcd file and run bcdedit

export

e:\bcd_backup\bcd"

5. Run bcdedit

create

ntldr}

dwindows

xp"6. Run bcdedit

setntldr}

device

partition=x:

x: the disk where the ntldr file is located);

7. Run bcdedit

setntldr}

pathntldr

8. Run bcdedit

displayorder

ntldr}

addlast

9. Restart your computer and the dual boot menu appears.

If you already have Win7 installed, then you can directly use XP's CD to install XP system.

But because you installed win7 first, the startup manager of win7 was replaced after installing xp.

Windows 7 and Windows XP dual system installation methods are summarized.

Install XP under Win7

Install Win7 under XP

Stand-alone dual system.

With the advent of the Windows 7 (hereinafter referred to as Win7) era, many friends are very concerned about how to install Win7 and XP dual systems, especially how to install XP systems under Win7. This article will introduce you to three win7 and xp dual system installation schemes, I believe there must be a suitable plan for you. Our goals are:

Let win7+xp live in harmony!

Solution 1: Traditional dual system Soqing and plan - install XP under win7 Solution 2: traditional dual system solution - install win7 under XP Solution 3: best solution - independent dual system installation.

Solution 1 Traditional dual-system solution - install XP under Win7I believe that many users who buy a new computer are pre-installed with Win7 operating system, but they also need to use XP system. Therefore, it is necessary to install XP in Win7.

Method 1: Use the XP installation disc to install it cleanly.

First of all, you need to prepare a primary partition for installing the XP differential system. It is recommended that you use the disk manager to create a primary partition with a capacity of not less than 10GB in Win7 (as shown in Figure 1). Then use the win xp installation disc to start the electric world trace brain and install it, the installation method is similar to the installation of the xp system.

Install XP first, then install Win7, follow the low version to the high version, otherwise it will go wrong, don't put the two systems on one plate.

XP Win7 system disk each one directly press which one doesn't matter which one you press first.

Install win7 under the XP system to become a dual system:

1. Use [U Start U Disk Startup Disk Maker] to make a U disk startup disk, connect the made U start U disk to the computer, restart the computer and quickly press the boot quick start button to guide the U disk to start into the U start main menu interface, and select Run Win8PE menu Enter to enter the U start PE system.

2. Put the win7 system image in the D disk, because the system disk C disk is already equipped with the XP system.

3. Pop up the reminder box for the program to perform the restoration operation, do not check the checkbox and restart the option after completion, 4. After the program restoration is over, open the lower left corner of the desktop to start - boot repair - ntboot boot repair tool, 5. Click "[1Start repair]" and follow the prompts, 6. After the system repair is completed, restart the computer, and choose to click on the windows7 system to install it when the boot screen stays, until the installation is over.