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  #1  
Old 25th August 2010, 04:16 PM
Springs Offline
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Join Date: Jun 2009
Posts: 12
linuxchrome
Dualbooting F12 + Windows 7 problems.

Hi all,

I've had F12 since the release and one thing i haven't been able to do is get F12 and Windows 7 to dual boot with each other. At the moment I'm having to remove the Fedora sata cable so i can boot to windows.

I'm hoping someone will be able to help me solve this problem once and for all.

I've included the outputs from fdisk and my grub conf

Code:
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0xa96ea96e

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1          13      102400   83  Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2              13         797     6291456   82  Linux swap / Solaris
Partition 2 does not end on cylinder boundary.
/dev/sda3             797       19457   149894465   83  Linux

Disk /dev/sdb: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0xf81bf81b

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1   *           1        9730    78148608    7  HPFS/NTFS
Code:
default=0
timeout=0
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title Fedora (2.6.32.14-127.fc12.i686.PAE)
        root (hd0,0)
        kernel /vmlinuz-2.6.32.14-127.fc12.i686.PAE ro root=UUID=8f7a728a-0378-4334-a447-ddbae2ba45ef  LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=uk rhgb quiet
        initrd /initramfs-2.6.32.14-127.fc12.i686.PAE.img
title Fedora (2.6.32.11-99.fc12.i686.PAE)
        root (hd0,0)
        kernel /vmlinuz-2.6.32.11-99.fc12.i686.PAE ro root=UUID=8f7a728a-0378-4334-a447-ddbae2ba45ef  LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=uk rhgb quiet
        initrd /initramfs-2.6.32.11-99.fc12.i686.PAE.img
title Fedora (2.6.32.9-70.fc12.i686.PAE)
        root (hd0,0)
        kernel /vmlinuz-2.6.32.9-70.fc12.i686.PAE ro root=UUID=8f7a728a-0378-4334-a447-ddbae2ba45ef  LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=uk rhgb quiet
        initrd /initramfs-2.6.32.9-70.fc12.i686.PAE.img
title Windows
        rootnoverify (hd0,0)
        chainloader +1
title Windows 2
        root (hd1,1)
        makeactive
        chainloader +1
title Windows 3
        root (hd2,1)
        makeactive
        chainloader +1
The titles windows 2/3 are ones i've been testing with but to no avail on all 3 of them..

Hope someone can help.
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  #2  
Old 25th August 2010, 05:23 PM
Skull One Offline
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Posts: 989
unknownfirefox
Re: Dualbooting F12 + Windows 7 problems.

Hello,
have you triied
Code:
title Windows
        rootnoverify (hd1,0)
        chainloader +1
?
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  #3  
Old 26th August 2010, 09:35 AM
Springs Offline
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Join Date: Jun 2009
Posts: 12
linuxchrome
Re: Dualbooting F12 + Windows 7 problems.

I've tried pretty much all the variations.

hd0,
hd1,
hd2,

and all 3 with either 0,1,2,3 at the end.

Results vary. I either get error messages saying there is no partition etc or reboots the machine
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  #4  
Old 26th August 2010, 10:47 AM
Skull One Offline
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Join Date: Jun 2010
Location: Lost...
Posts: 989
unknownmozilla
Re: Dualbooting F12 + Windows 7 problems.

Hummm....
I have heard that windows 'wants' to be started from the first disc.
You can try this trick :
Code:
title Windows
     map (hd1) (hd0)
     map (hd0) (hd1)
     rootnoverify (hd1,0)
     makeactive
     chainloader +1
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  #5  
Old 26th August 2010, 11:07 AM
Springs Offline
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Join Date: Jun 2009
Posts: 12
linuxchrome
Re: Dualbooting F12 + Windows 7 problems.

reboots the machine.
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  #6  
Old 26th August 2010, 12:17 PM
Skull One Offline
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Join Date: Jun 2010
Location: Lost...
Posts: 989
unknownmozilla
Re: Dualbooting F12 + Windows 7 problems.

The problem is reported in the grub manual (see http://info2html.sourceforge.net/cgi...9DOS%2FWindows for instance)
Perhaps you could try
Code:
title Windows
     map (hd1) (hd0)
     map (hd0) (hd1)
     rootnoverify (hd0,0)
     makeactive
     chainloader +1
Could you report the error messages (if there is some) ?
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  #7  
Old 27th August 2010, 02:11 AM
sonoran Offline
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Join Date: May 2005
Location: Sonoran Desert
Posts: 2,272
linuxfirefox
Re: Dualbooting F12 + Windows 7 problems.

What happens if you reverse the positions of the cables - make the windows disk first, linux second? You would have to change the drive numbers in grub, and change your bios to boot from the 2nd drive.
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  #8  
Old 27th August 2010, 08:44 AM
kkshethin Offline
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Join Date: Dec 2009
Location: India
Posts: 290
linuxfedorafirefox
Re: Dualbooting F12 + Windows 7 problems.

from your outputs of fdisk and grubconf, it is not clear whether you have three hard disk or two hard disk, there appears some anomaly. In fdisk there is sda & sdb whereas in grub conf there is hd0, hd1 & hd2.

I have two hard disk (one with 250 GB and other 80 GB) and i have installed F13+ winxp on first Hd and Win7+ F12 on second HD and everything works fine (except ATI 3d drivers for my graphic card which i am trying)
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