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Dual Boot Vista and XP with Vista already installed

Dual Boot Vista and XP with Vista already installed

Published by William_Wilson

Default Introduction

If you want to install Vista onto an XP computer, try the reverse tutorial: (XP already installed)

I'm not going to post any stats on XP, if you're running Vista, you certainly can run XP

*You will need your XP and Vista installation discs!

Step 1 - Partition the Drive:
Vista comes with a nice partitioning tool, so i'll be using it instead of partition magic this time around.
-right-click computer under the start menu and choose "manage"

-right-click the drive you want to partition, and select "Shrink Partition"
-The amount you shrink the partition is the amount of space used for the XP partition, so i would suggest making it at least 3-

4GB in size, as a full XP installation will take 1.5GB on it's own.

-now right-click the unallocated memory and select new basic partition.

-Choose NTFS file system, this will save formatting before installation.
-name the drive anything you like, i chose "XP"
-click next on the rest of the screens and finish.

once the formatting is finished you will have something like this:

*this new partition is where your XP installation will go, so take note of it's location, in case there are multiple partitions

on the drive (there will now be atleast 2).

<< <    Next Page: Install XP (Page 1 of 4)    >  >>

By rclarke on 04-19-2007, 04:04 PM
Default Dual Boot Vista and XP with Vista already installed


Thank you for taking the time and effort to lay out the steps for installing xp onto a notebook/desktop having Vista pre-installed.

I have a couple of questions:

In step 4 where we need to use the editor, isn't vista assigned to C and xp assigned to drive E? You state:Be sure to type each line carefully (replace C in the first line with the drive containing your Vista installation):
bcdedit –set {ntldr} device partition=C:

Isn't xp partition letter E? Up to step 4 everything doesn't seem difficult. But if we mess up here it seems big problems. On the other hand perhaps I missed a crucial point you made earlier and I should just enter exactly what you have shown in step 4 to conclude the dual boot facility.

My last question has to do with possible need for drivers. I found out my notebook hd is a seagate SATA drive. Will xp pro need to be concerned about this drive type and require drivers? Thanks...Ron
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By William_Wilson on 04-21-2007, 11:41 AM

i know the drive sounds off, but Vista is the only active partition, even though XP was installed on E:, it still places it's info for booting on C (the active partition)

XP is good with most drives, as long as your mobo can understand it properly you should be ok
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By rclarke on 04-22-2007, 05:36 PM

William...another thought. Unfortunately for us newbies, the initial hd configuration may not be straight forward and simple as yours. This raised another question which while seeming to go off subject, anyone following your instructions may encounter (especially newbies who would never in their life of ownership consider hd management and partitions) a situation where the single drive has already been partitioned into 3 primary partitions.

Question: Must the xp partition to be created be a primary partion? If so, and 3 primary partitions already exist does this preclude adding xp? If yes does that mean no dual boot of xp? Thanks for your time and patience to help with these questions...Ron
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By William_Wilson on 04-23-2007, 11:18 AM

You can still dual boot, but what you must understand is that a partition which will load an OS must be a primary drive. There is the option when installing XP to leave the file system intact... i don't recommend it, but it you have no place to put the files on the primary partition. You could always resize them to move the files around.

*Where did you get your computer? All partitions meant for data files/storage should be contained in an extended partition, especially since there is a limit of 4 primary partitions (on a single drive) under XP, and i assume Vista.
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By rclarke on 04-23-2007, 12:42 PM

William...I received my acer aspire 5610 as a gift from my daughter. Yesterday I started following your 4 steps to installing xp. Using the disk mgt wizard on vista I shrunk the partition and allocated a new partition of 8 gb for xp. I ended up re-doing this step as I neglected to remove a flash drive and this caused the partition to be assigned a drive letter of G. I then deleted the new partition, expanded the C and restarted the procedure by rebooting again.

After I got back to recreating the partition again, I saw it wasn't a primary partition, but an extended one. I also saw via disk mgt three existing partitions, one un-named (eisa configure), vista (c drive) and data (d drive)

So using the wizard doesn't give me a primary partition so I need to use some other means to make sure the partition created is a primary one and not an extended partition...Ron
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By Kishore on 05-04-2007, 11:08 AM

Hooray, it really works. I loaded up XP SP1 and did all the steps, but could never load XP, because it was showing error
File: \ntldr
Status: 0xc000000e
Info: The selected entry could not be loaded because the application is missing or corrupt.

I tried so many things, but couldn't make it run - untill I followed the advice.

Thank you so much.
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By Tom Wylde on 05-05-2007, 07:56 PM
Default Different drives...

I purchased a new pc with a Vista pre-load, and then upgraded over the net to Ultimate.

I have a 750 GB drive installed other than the 320 GB that came with the new PC and the Vista install. I created a partition on the 750 for the XP install. When I attempted to install XO, it said it would erase my Vista intall, (along with Photoshop CS#, Office 2007, etc.).

Is it possible to dual boot by disconnecting the Vista drive, installing XP on the 750 and reattaching the Vista drive? What drive(s) should I make active? Will this be a solution? I realize I'm basically 'geta-testing Vista and a lot of my drivers, software, etc. don't work with it so I want to run XP until at least Vista SP 1...

Thank you so much for for your help.

Tom Wylde
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By Unregistered on 05-11-2007, 10:56 PM

After getting to step four I ran bcdedit.exe command but every time i type in the four lines it tells me that it is not recognized.

Any thoughts?

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By William_Wilson on 05-12-2007, 09:34 PM

Kishore: glad to hear the tutorial was helpful

Tom Wylde: The Vista drive needs to be the active drive, and it needs to be attatched while installing XP. If they are both connected, there is no problem installing XP on the 2nd drive.

As for errors, in bcdedit.exe, if you could post the exact error, as well as the line it resulted from, I may be able to address the problem as well as find a solution.
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dual boot, dualboot, vista, vista-xp, windows xp

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