How to Setup a Dual Boot Installation with Windows 7 and XP

Information
This will show you how to install Windows 7 and XP to dual boot with when you already have either Windows 7 or XP installed first.
With a dual boot installaton, you will have two operating systems (OS) installed. When you start the computer, you will have the choice to choose which OS you would like to start up to. This method is the easiest way of doing a dual boot with these two operating systems.

Tip
When dual booting with another OS (ex: Vista or XP), you may not always have that OS partition show up inComputer with a driver letter in Windows 7. If this happens, then you will just need to add a drive letter to the OS (ex: Vista or XP) partition in Windows 7 Disk Management for it to show up in Computer with a driver letter.
Warning

Windows 7 Minimum Hardware Requirements

NOTE:
1 GHz 32-bit or 64-bit processor
1 GB RAM for 32-bit Windows 7 OR 2 GB RAM for 64-bit Windows 7
16 GB available disk space 32-bit Windows 7 OR 20 GB for 64-bit Windows 7
Support for DirectX 9 graphics with 128 MB memory (in order to enable Aero theme)
DVD-R/W Drive
Internet or phone access to activate Windows 7.Windows XP Minimum Hardware Requirements

PC with 300 megahertz (MHz) or higher processor clock speed recommended; 233-MHz minimum required;* Intel Pentium/Celeron family, AMD K6/Athlon/Duron family, or compatible processor recommended
128 megabytes (MB) of RAM or higher recommended (64 MB minimum supported; may limit performance and some features)
1.5 gigabyte (GB) of available hard disk space.*
Super VGA (800 × 600) or higher resolution video adapter and monitor
CD-ROM or DVD drive
Keyboard and Microsoft Mouse or compatible pointing device
EXAMPLE: Windows Boot Manager
NOTE: This is the boot screen where you select what operating system that you would like to start. By default, you have 30 seconds to choose another operating system before the default operating system will start automatically.





OPTION ONE When XP is Installed First
NOTE: If you have a RAID setup, you will need to have the Windows 7 RAID drivers on a USB flash drive available to select and load while installing Windows 7.
1. Do step 2 or 3 below for where you wanted to install Windows 7 at.

2. To Create a New Partition from the XP Hard Disk Drive
A) With your Windows 7 installation disc boot into the Command Prompt from the System Recovery Optionsscreen.
NOTE: Make sure that the CD/DVD drive is selected first in the boot order in the BIOS.

B) In the command prompt, select and shrink the XP volume by how many MB (1024 MB = 1 GB) you want to have for this Windows 7 partition. (See screenshot below)
NOTE: You would do steps 2 to 9 in METHOD TWO at that link. Windows 7 will need a minimum of 16 GB (16384 MB).

C) Click on the X at the top right corner to close the command prompt. (See screenshot above)

D) Click on the X at the top right corner to close System Recovery Options. (See screenshot below)

E) Go to step 4.
3. To Use a Separate Hard Disk Drive than the XP Drive
A) Boot from your Windows 7 installation disc.
NOTE: Make sure that the CD/DVD drive is selected first in the boot order in the BIOS.
4. Click on the Install now button. (See screenshot below)

5. When you get to this point, select the partition (step 2) or hard drive to install Windows 7 on. (See screenshot below)

6. Finish installing Windows 7.
NOTE: You would start at step 9 in that link to finish installing Windows 7.

7. When finished, restart the computer to have the option to boot from XP (Earlier Verision of Windows) or Windows 7. (See screenshot below)


Note
If you are only booting into Windows 7 and do not have XP listed in the Windows Boot Manager, then you can install only EasyBCD (step 8 Option Two below) to add XP (or Windows 7) while started in Windows 7 the same way to the boot list.



OPTION TWO When Windows 7 is Installed First


1. To Create a New Partition from the Windows 7 Hard Disk Drive
NOTE: If you want to install XP on a separate internal hard drive instead, then skip this step and go to step 2.
A) In Windows 7, select and shrink the Windows 7 volume in Disk Management by how many MB (1024 MB = 1 GB) you want to have for this XP partition. (See screenshots below)
NOTE: You would do all of Method One at that link.





2. Insert your XP installation disc, then restart the computer and press any key to boot from it when prompted. (See screenshot below)
NOTE: Make sure that the CD/DVD drive is selected first in the boot order in the BIOS.

3. From XP Setup, Press Enter. (See screenshot below)




Warning

If you have a RAID setup, you will need to have the XP RAID drivers for your specific motherboard on a Floppy disc available to select and load at the F6 prompt while installing XP.
If you have a SATA drive, then you will need to do either one of these options to load the SATA drivers for XP for your specific motherboard.

4. Press F8. (See screenshot below)
NOTE: On some multimedia keyboards, you may need to press the F-Lock or Function key before pressing F8.

5. Select the partition (step 1) or hard drive that you want to install XP on using the arrow keys and press Enter.

6. Finish installing XP.




Tip
If you get Error loading Operating System after XP restarts:
Using your Windows 7 installation disc, boot to the command prompt at startup.
Type in these comands below, and press enter after each one.
bootrec /FixMbr
bootrec /FixBoot
bootrec /RebuildBcd
Exit the command prompt and restart the computer.
At this point, Windows 7 should boot up the same way before trying to install XP.
Continue to step 8 below and run EasyBCD from Windows 7 instead.

7. In XP, download and install .Net Framework 2.0 (32-bit) version or .Net Framework 2.0 (64-bit) version first, andEasyBCD (free version) for your 32-bit (x86) or 64-bit (x86) XP.
NOTE: In XP, Net Framework is required to be installed to run EasyBCD. After you click on Register (at bottom of link) for the free EasyBCD, registration is not required to download it.

8. Run EasyBCD (free version).
NOTE: This is required to repair the Windows 7 boot file and add XP to the Windows Boot Manager list.

9. On the left side of EasyBCD, click on the Add New Entry button. (See screenshot below)
A) In the top section under Operating Systems, click on the Windows tab. (See screenshot below)

B) To the right of Type, select Windows NT/2k/XP/2k3 from the drop down menu. (See screenshot below)
WARNING: Be sure to leave the Automatically detect correct drive box checked.

C) To the right of Name, you can leave the default Microsoft Windows XP as the name to be displayed in the Windows Boot Manager, or you can type whatever name you would like to have instead. (See screenshot below)


D) Click on the Add Entry button. (See screenshot below)


10. On the left side of EasyBCD, click on the BCD Deployment button, select (dot) the Install the Windows Vista/7 bootloader to the MBR option, and click on the Write MBR button. (See screenshot below)

11. Close EasyBCD.

12. Restart the computer to have the option to boot from Microsoft Windows XP or Windows 7. (See screenshot below)


Tip
If Windows 7 will not start up when selected, then use your Windows 7 installation DVD to do a Startup Repair.

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