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Windows 7: Dual Boot Installation with Windows 7 and XP

27 Jan 2010   #540

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64

Good, that means it is already Active.

Run startup repair from the Vista/7 dvd - may take a couple of runs.

My System SpecsSystem Spec
27 Jan 2010   #541

Windows 7/XP Pro

also, I am booting from a dvd-r that I made from an iso file. I know it works fine, but in order to get the computer to boot from the dvd-r, I have to enable AHCI, which seems to wreak havoc on my xp. I don't know why I have to use AHCI to get it to boot from dvd-r, cuz this isn't the case with factory discs. I just dont have an actual windows 7 install disc, only the dvd-r. By the way, I said vista in a previous post. I meant Windows 7
My System SpecsSystem Spec
27 Jan 2010   #542

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64

See if you can run bootsect and bcdboot from XP - I don't know if you can run the latter - I don't have XP.

They are in the bin folder that is part of easybcd. Bcdboot is already on the 7 partition - bootsect is not.

You need to run them from the command prompt.

copy bootsect.exe into your XP Windows\System32 folder . Open command prompt and type :

cd /d c:\windows\system32

press enter, then type :

bootsect /nt60 /sys /force

see if that deos it.

Otherwise you need to try running bcdboot , like this from a command prompt ( replace z with the letter of you 7 partition ):

cd /d z:\windows\system32

bcdboot z:\windows /s z:

then press enter.
My System SpecsSystem Spec
27 Jan 2010   #543

Windows 7/XP Pro

System repair made Windows 7 boot correctly, but now XP won't boot. Can someone tell me what to do now in Windows 7 to get XP to be able to boot as well? Thanks
My System SpecsSystem Spec

27 Jan 2010   #544

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64

Sure, open an elevated command prompt, ( type cmd in start search - when the black box pops up, rt click it and run as admin )

then type the following (press enter after each line ) :

bcdedit /create {ntldr} /d "Windows XP"

bcdedit /set {ntldr} device boot

bcdedit /set {ntldr} path \ntldr

bcdedit /displayorder {ntldr} /addlast

close cmd prompt.
My System SpecsSystem Spec
27 Jan 2010   #545

Windows 7/XP Pro

ok, it's finally working right. Thanks a lot. One (hopefully) last question. The boot manager is showing W7 as "Windows 7 Ultimate (Recovered)" is that because I used the repair, and does it mean I have to do anything else to get it back to normal?
My System SpecsSystem Spec
27 Jan 2010   #546
Microsoft MVP

64-bit Windows 10 Pro build 10586


You can use this to change the name to what you would like instead.

Dual Boot - Change OS Name in Windows Boot Manager
My System SpecsSystem Spec
29 Jan 2010   #547

windows 7 64-bit
Cant complete second OS install

Thanks for the guide, Shawn.
I'm having some trouble getting past step 6 of method 2.
I'm running windows 7 (64-bit) and trying to install XP (presumably 32-bit) on a new partition of the same drive.
I can start the XP installation on the new partition, but after setup finishes copying the files and requires a reboot, the system reboots (with the install disc in the cd drive), asks to press any key to boot to disc and when no key is pressed, the system freezes.
If i remove the installation disc and reboot the following message appears, "a disk read error occured."
The only way to boot to Windows 7 is by inserting the win7 install disc and selecting repair start up.
how can i complete the XP install and dual boot?
My System SpecsSystem Spec
29 Jan 2010   #548

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64

Download Free Partition Wizard Bootable CD Burn it to cd as an image,.

Boot the cd. Make sure NUM LOCK is on when it asks about screen resolution. Press 1 , press Enter.

Click the Disk 0 at the top of the screen. Click Partition Recovery in the left pane. Do a quick scan .

i was trying to install windows xp after i was installing windows 7 . i shrink a partition and after i rebbot the computer when i was starting to format the partion the hard drive was empty all my partition was gone , my hardrive was empty , only the new partion that i want to install xp is showing. i reboot the computer without the install and the computer doesen"t boot.i put the hard drive in another computer and i said that the hard drive it isn"t allocated. i want all my data back
any sollutions?

Tick ALL the partitions you want back . OK . Apply.
My System SpecsSystem Spec
30 Jan 2010   #549

Windows 7

I can't get to XP from the Windows 7 bootloader.
The problem seems to be that I have the following layout on the HD.
1Gb system partition (this is default active and will boot windows 7)
345Gb windows 7 partition
120Gb Windows XP partition (which when set active will boot xp)
20Gb HDD Restore partition (hidden)

I just want to leave the 1Gb system partition as the active one and have bootloader on it give me the choice of either XP or 7. I used EasyBCD (not as easy as it says) to add the windows xp entry to the bootloader, but when i select it on boot the system just restarts. Any idea what i'm doing wrong?

Nevermind, I wasn't thinking and forgot to copy the over to the System Partition. That along with bootini and ntldr and it's all working good.
My System SpecsSystem Spec

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