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Windows 7: Dual boot XP with windows 7 already installed

01 Dec 2010   #21
Microsoft MVP

 

Please post back a screenshot of your full Disk Mgmt drive map, using Snipping Tool in Start Menu.

When you have separate HD's the best way to set up the dual boot is to boot via BIOS, so that the HD's remain independent and can come and go as you please.

You should still have boot files on XP, so try booting it now using the BIOS one-time Boot Menu key to select the XP HD to boot:
Asus - F8
HP/Compaq - Esc
Sony - F2
Acer - F2
Gateway - F10
eMachnes - F10
Toshiba - F12
Dell - F12
IBM/Lenovo - the blue Thinkvantage button

If not, post back the screenshot and we will give you the steps to set up the Dual Boot.


My System SpecsSystem Spec
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02 Dec 2010   #22

Windows 7 Ultimate x64
 
 

Hi!

Thanks for your advice. Unfortunately it doesn't work. Tried F8 and the boot menu opens, but XP wouldn't start, it says the installation needs repair.

Then I tried to switch the drive letters in EasyBCD so the letters were correct and it also didn't help.

I'm attaching the disk management screen. If it's possible I prefer booting via BIOS as you suggested. But I'd be happy just if it worked

BTW, would it do any good if I repair XP installation now and then reinstall 7 over existing installation?


Attached Thumbnails
Dual boot XP with windows 7 already installed-disks.jpg  
My System SpecsSystem Spec
02 Dec 2010   #23
Microsoft MVP

 

First in EasyBCD 2.0 try removing the XP listing on Edit Boot menu tab. Now try adding it back on Add OS tab, see if it offers boot files, accept them, let it autocomplete, Save, Restart to Dual Boot menu if lucky.

If not, power down to unplug Windows 7 HD, set XP as first HD to boot in BIOS setup then run a Repair Install on XP: Repair Windows XP - How To Perform a Repair Installation of Windows XP - Part 1 of 2

After XP starts up, power down to plug back in Windows 7 HD, set preferred HD as first to boot in BIOS setup, then boot the other OS HD using one-time BIOS Boot menu key.

If you prefer a Windows-managed Dual boot (which interlocks the HD's and makes them harder to extricate) then try removing XP in EasyBCD 2.0, add it again as given above.
My System SpecsSystem Spec
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03 Dec 2010   #24

Windows 7 Ultimate x64
 
 

Great! I removed and added back the XP listing in EasyBCD 2.0 as you said and now it works! I'm very very happy, thank you very much!
My System SpecsSystem Spec
03 Dec 2010   #25
Microsoft MVP

W 7 64-bit Ultimate
 
 

Good to see you have it sorted and thanks for the update.
My System SpecsSystem Spec
16 Nov 2012   #26

 

I have a similar "missing hal.dll" problem in a multi-boot setup, and EasyBCD is not a viable solution in my particular setup. It could definitely solve the problem I am mentioning here, but it would also alter ntldr and thereby render boot.ini inaccessible via Grub4Dos on the USB stick I use for booting all Windows and Linux installations on my machine. So, here is my situation:

My first hard drive is a PATA that begins with some FAT32 partitions and boots Win98, Win2K (locally) and WinXP (on my third drive).

My second drive is also a PATA, but it is all NTFS and boots Windows 7 on a partition next to XP on my third drive, a SATA.

I can boot XP just fine via ntldr from either of my first two drives, but I get the misleading "missing or corrupt hal.dll" error when I try to boot XP via the bootmgr and BCD on my second drive that can boot Windows 7 just fine.

Here is a screen shot of what I have at the moment, and placing ntldr and boot.ini even in all partitions on all drives does not solve the problem:


Attached Images
 
My System SpecsSystem Spec
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 Dual boot XP with windows 7 already installed




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