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Windows 7: Error while installing XP (NTLDR missing)

06 May 2010   #1

Windows 7
Error while installing XP (NTLDR missing)


my problem is the following: when installing XP Pro, my PC wants to reboot (after the steps of choosing the partition and copying the first files) to finish installation. But while rebooting, it chooses Windows 7 automatically. I tried to repair the bootloader using EasyBCD 1.7, it shows XP in the boot menu, but when choosing it, the message "\NTLDR missing" appears.
Hard Disk Configuration: 2 SATA-HDDs (Vista HP pre-installed by Medion on 1st HDD, Windows 7 Pro (MSDNAA version from university) on 2nd HDD). On the second I have the XP partition where I want to install XP Pro (also MSDNAA version).
The boot files (boot.ini etc.) are ONLY on the Vista HDD, not on the Windows 7. But pointing to them via EasyBCD doesn't fix the first problem. There is no "System Reserved" either.
Does anybody know how to fix that?

Thanks for your answers

PS: I'm new to this forum, sorry.

My System SpecsSystem Spec
06 May 2010   #2

Windows 7 x64

Could you attach a snipping tool picture of your Disk Management Window?

I suspect the HP Vista install might be interferring with the XP install. I will have to check to see if XP will install on a second hard drive.

For now, you need to get the EasyBCD 2.0 beta, which means you need to join their forum and download it from there. It works much better in Win 7, especially with XP installs.
My System SpecsSystem Spec
07 May 2010   #3

Windows 7

Here's my Disk Management Window.
For partitioning I'm using EASEUS Partition Manager 3.0 Home.

Attached Thumbnails
Error while installing XP (NTLDR missing)-datentraegerverwaltung.jpg  
My System SpecsSystem Spec

07 May 2010   #4

Windows 7 x64

As I mentioned, the 1.7 version of EasyBCD is not good for Win 7.

If you have XP installed and trying to set up a dual boot, the boot has to point to the System partition, which is C: . If you look for hidden system files, you should see ntldr, boot.ini (which may need to be altered), and You may have to copy these files to the C partition if they are not already there, which the EasyBCD 2.0 version does automatically.

Do you have XP completely installed, your original post indicated you were having install problems. Which is why I do not understand your trying to use EasyBCD until after the install is complete.
My System SpecsSystem Spec
07 May 2010   #5

Windows 7

Well, I didn't succeed installing XP completely. The reboot it requests led directly to Windows 7 and not to WinXP.
That XP partition in the DM is completely empty, I created it with EASEUS and wanted to install XP in the Setup menu on that prepared partition.
My System SpecsSystem Spec
07 May 2010   #6

Windows 7 x64

In every instance I have seen where XP was installed after Win 7, the XP bootloader overwrote the Win 7 one and you no longer got the Win 7 boot menu.

For some reason, yours seems to behave differently and I cannot see why. Are you interferring with the reboots in some manner? Could the recovery system be repairing the boot to go back to Win 7 during the reboot?
My System SpecsSystem Spec
07 May 2010   #7

Windows 7

No, I didn't do anything while rebooting. Also, I never got any message or screen in which the recovery partition repaired any files...I see there is only a Recover partition on the Vista HDD, not on the Windows 7 HDD
My System SpecsSystem Spec
12 May 2010   #8

Windows 7

Marking my Vista HDD as offline and my XP partition as Active wouldn't fix the problem, would it? It's suspect to me changing the Active partition from Windows 7 to XP 'cause I don't know if XP is installed properly then. If not, the PC would not boot anymore. Am I right?
My System SpecsSystem Spec
20 May 2010   #9

Windows 7


using EasyBCD 2.0 fixed my problem! Can now choose between Win XP Pro and Win 7!!

Another problem: I tried installing a dual boot with XP on my notebook (7 first), too. First I suceeded, but then I couldn't boot into 7 anymore. After solving that (I don't know how), I deleted the XP partition and the three files ntldr, ntdetect and Boot.ini. But I still get that Bootmanager screen with 7 as the only one OS. How can I fix that?


My System SpecsSystem Spec
20 May 2010   #10
Microsoft MVP


Remove the boot menu at Computer>Properties>Advanced Tools?Startup tab>uncheck show boot menu

When you install XP after Windows 7 for a dual boot, XP is supposed to take over until you Add Windows 7 to the Dual Boot menu using EasyBCD 2.0. You will need to install Net Framework 2.0 to run Easy in XP.
My System SpecsSystem Spec

 Error while installing XP (NTLDR missing)

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