Re: [gentoo-user] Dual booting Dell with Windows 7

[Mick <michaelkintzios@gmail.com>]

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On Tuesday 02 March 2010 23:31:16 Peter Ruskin wrote:

> Thanks for your help, Mick.  

You're welcome.  Sorry it took me some time to get to it:

> Here's the bcdedit /v before I started:
> C:\Windows\System32\bcdedit /v >C:\bcdedit-orig.txt

It may be better to use the /export function to back up the BCD file.

> Windows Boot Loader
> -------------------
[snip ...]

> 
> Resume from Hibernate
> ---------------------
[snip ...]

> Windows Memory Tester
> ---------------------
[snip ...]

I can't see in there your MSWindows Boot Manager entry.  This BCD will not be 
able to boot MSWindows natively, or chainload Linux from it ... you'll need to 
repair it with your Vista CD as I suggested in the previous message.

> And here it is after I followed your procedure:
> C:\Windows\System32\bcdedit /v >C:\bcdedit.txt
> 
> Windows Boot Manager
> --------------------
> identifier              {9dea862c-5cdd-4e70-acc1-f32b344d4795}
> displayorder            {150a4189-2608-11df-b94d-00248cc04424}
> timeout                 10

I suspect that's not enough to load the boot manager.  Compare it to my entry:
==================================
Windows Boot Manager
--------------------
identifier              {9dea862c-5cdd-4e70-acc1-f32b344d4795}
device                  partition=\Device\HarddiskVolume2
path                    \bootmgr
description             Windows Boot Manager
locale                  en-US
inherit                 {7ea2e1ac-2e61-4728-aaa3-896d9d0a9f0e}
default                 {fda5ebf3-119b-11df-969c-f924691e8117}
resumeobject            {5744906c-0bf4-11df-8e08-0026b920b49c}
displayorder            {fda5ebf3-119b-11df-969c-f924691e8117}
                        {fda5ebf6-119b-11df-969c-f924691e8117}
toolsdisplayorder       {b2721d73-1db4-4c62-bf78-c548a880142d}
timeout                 3
==================================

> Real-mode Boot Sector
> ---------------------
> identifier              {150a4189-2608-11df-b94d-00248cc04424}
> device                  boot
> path                    C:\linux.bin
> description             Gentoo Linux
> locale                  en-US

That's good, but I suspect it won't work because your Boot Manager entry is 
not correct.  

> After reboot it reverts to the original - just as well, because the
> Windows Boot Manager looks suspect to me.

Yes, it looks dodgy to me too.  If it reverts to the original then that means 
that you are not actually editing the BCD file that is being used for booting.  
I suspect that what's happening here is that Acronis OSS has taken over the 
MBR and the boot files (I think it saves them in a BOOTWIZ folder or something 
similar).  So the BCD file you are editing is not the one Acronis is using.  
My method implies that you have restored your Vista to its original state as 
far as MBR and MSWindows boot files are concerned.  So, for it to work you 
will need to uninstal Acronis OSS I'm afraid and repair the start up files as 
I described in my previous email.

Alternatively, you may want to try using bcdedit to edit the correct BCD file,  
*but* I am not sure that Acronis will allow you to do that (it probably 
altered the access rights to it, that's why a reboot shows up the original 
file).
-- 
Regards,
Mick

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