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Old 08-27-2005, 01:54 PM   #1
Registered: Aug 2005
Location: Guatemala
Distribution: OpenSUSE 10.3 / FC 8 / Ubuntu 7.10 (Gutsy Gibbon)
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Question Windows XP / FC 4 Dual Boot (2 HD)

I have tried yesterday on a different computer than mine the HD mapping on GRUB and worked fine, but on my computer a Dell Dimension 8200 it didn't work, i only get a blank screen with the word GRUB on the upper left corner of it.

Both OS are on different HD (FC 4 is on the PRIMARY HD, and WINXP is on the SECONDARY HD), when i installed FC 4 on the /dev/hda, it asked me about the bootloader GRUB, and i had the choice of installing GRUB on the first sector of the boot partition of LINUX or on the MBR, according to the previous experience, i put it on the first partition. It did not work !

What if I put it on the MBR (/dev/hda) ?

Will my WINXP be ruined ??

Help please !!
Old 08-27-2005, 03:55 PM   #2
Registered: May 2003
Location: Wageningen, the Netherlands
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Assuming Windows XP was installed on the primary drive (and assuming you afterwards made that drive the secondary drive) the Windows MBR should be tip-top and writing to the MBR of /dev/hda should be fine. I also think an accidentally erased Windows MBR can be repaired by using the Windows recovery console, allthough of course it is best to avoid this problem. Hope that helps.
Old 08-27-2005, 04:45 PM   #3
Registered: Aug 2005
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Distribution: OpenSUSE 10.3 / FC 8 / Ubuntu 7.10 (Gutsy Gibbon)
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Another Question

What you said is what i really did, in the beginning there was only 1 HD on my PC which has WINXP, now i have added a second HD, and installed Linux FC 4 on it.

Now i have changed the setup of my PC, making the second HD (the one with Fedora) my PRIMARY HD, and the WINXP my SECONDARY HD.

I will try that, but before i try it, what did you mean by WINDOWS RECOVERY (on an accidental MBR deletion), is it on the WINXP CD, I just want to make sure that the information on my WINXP HD is safe.

Otherwise my wife will kill me

Old 08-27-2005, 05:08 PM   #4
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Caution: If you installed FC4 on your secondary drive, and have afterwords switched the caballing, that you must change the device map in /boot/grub to correspond to your new definitions.

Failure to do this will result in a "GRUB" with nothing else happening.

To change the map, boot from the rescue CD, (or linux rescue at the prompt if you're using the DVD) and either edit /boot/grub/ by hand (and also /boot/grub/grub.conf) to correspond to your new caballing, or re-run /sbin/grub-install.
Old 08-27-2005, 06:08 PM   #5
Registered: Aug 2005
Location: Guatemala
Distribution: OpenSUSE 10.3 / FC 8 / Ubuntu 7.10 (Gutsy Gibbon)
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Talking Problem Solved

Thanks for your advise, I have installed GRUB on the MBR of my Linux HD (Primary HD) and tweaked the /etc/grub.conf Tto map the hardrives, and it worked like a charm, my Linux is running and I can still boot from WinXP.


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