on 5-7-2008 3:19 PM Kai Schaetzl spake the following: > Lanny Marcus wrote on Wed, 07 May 2008 15:10:58 -0500: > >> Kai: I am not using Windows Boot Manager. Grub comes up, as on the 2 >> boxes, where things are working properly. > > Just to be sure, it's really grub? You get a somewhat blueish screen that > says "booting centos in x seconds, press any key to see options" or so? I > think there's also a CentOS symbol on it, but am not sure. We have to be > absolutely sure about that. > And if you select Windows from that boot screen, does that boot right into > Windows or do you get another boot menu that lists only Windows? > >> Questions: (a) Can I copy /boot/grub/grub.conf on my box and replace >> that file on my wife's box, with my version? Would that work OK? Worth a >> try? > > No, this wouldn't help, because the grub.conf that *we know of* is fine. > It's just not getting used, because you are booting from another one. > AFAIK, grub cannot embed a boot menu in the MBR (Master Boot Record), so > that information must be coming from somewhere else. > You have *two* grub.conf's (and two /boot partitions) on the machine > AFAIS. You would have to *merge* the two: you need the options for booting > Windows from the first one and all the other options from the second one. > AFAIK, the MBR on your disk does not boot from hd(0,2), but from another > partition. You have to find out which one that is and change the grub.conf > on that partition accordingly. The caveat of this is that you would have > to do this each time the kernel changes or you would need to change a bit > more, so that this becomes the new boot partition. > Another option would be to grub-install again and overwrite the current > information in the MBR, so that it then boots from hd(0,2). > I'm not confident enough about both options to talk you thru. > Maybe I'm missing other possibilities why that happens, but the basic > problem is that your machine does not boot from that hd(0,2), but with > information from elsewhere. > >> There was confusion on my part, when I installed Windows XP on my wife's >> box. Hers was the first one I installed Win XP on, which I'd never >> installed before and it ended up getting installed more than once. > > Did you install it after CentOS or before it? > You will need to make a list of all partitions. Not sure what the best way > to do this would be. Probably fdisk. Run fdisk, then type "p" (for > printing the partition table), then leave it with "q". Be careful, as > printing the table is only the least dangerous action in fdisk! > > > Kai > Fdisk -l ( lower case L )should list ALL partitions and their respective devices without worrying about breaking something. -- MailScanner is like deodorant... You hope everybody uses it, and you notice quickly if they don't!!!! -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 258 bytes Desc: OpenPGP digital signature URL: <http://lists.centos.org/pipermail/centos/attachments/20080507/5c3431e0/attachment-0005.sig>