[solved]Using Windows XP along with Windows Vista

Can we install and use 2 windows simultaneously on a laptop? , I installed Windows Xp and windows vista which was already installed disappeared[not deleted] , on my desktop i used to get a option to choose between windows but it didn’t happened on my laptop
Help me to get it resolved and have vista as well as xp coming on the bootscreen to choose from
Now windows xp gets starts working 1 got 4 GB ram but windows xp shows only 2.99GB
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I got it solved, but for others facing the same problem , here is a quick tutorial First of all download the software EASY BCD
http://~ Dead file host ~/files/221543316/easybcd_fixes_boot_issues.rar
We need to restore the Vista bootloader in order to restore Vista functionality and configure Vista/XP dualbooting. In the previous version of this tutorial, we used the Vista DVD to restore the bootloader, and EasyBCD to set up dualbooting. Since that tutorial was written, EasyBCD has been updated and can now restore the Vista bootloader from within the application. Also, it can be installed on Windows XP, so this means that there’s no need for any more reboots or playing with recovery DVDs. Once the XP system is up and running, download and install Microsoft .NET Framework 2.0, and then download and install EasyBCD (version 1.7.2 at the time of writing). Launch the application. EasyBCD isn’t looking at the XP bootloader – it has found the bootloader on the Vista partition, so this is what you’re directly editing. Go to the “Add/Remove Entries” tab. You’ll see that there’s only one option available in the Vista bootloader at the moment. In the “Add an Entry” section, change the Drive in the dropdown menu from C:\ to E:\. Change Type to “Windows NT/2k/XP/2k3”, and the Name to “Microsoft Windows XP”. Then click “Add Entry” and “Save”.

Then go to the “Manage Bootloader” tab. Make sure that “Reinstall the Vista Bootloader” is selected and then click “Write MBR” and restart the system.

On reboot, the Vista bootloader is now active and you’ll see two boot options.

But its advisable to use only 1 windows at a time for better performance!
For more detailed tutorial go to
http://apcmag.com/howto_home.htm
Answer #1
if a full version the vista DVD might repair your boot options
or look in appz section for “vistabootpro” and try that
or try googling “vista xp fix boot”
Answer #2
my laptop is dual boot with vista ultimate & win XP Pro.
triple boot can be achieved with this http://www.vistabootpro.org/
Answer #3
I think you installed both os to the same partition I think the dual boot option will only appear if vista is installed after xp vistaboot pro may help sort it