[Novalug] Boot up failing

[Bri]

Your setup is very similar to mine, except that I did overwrite my windows
MBR.  /dev/hda1 is the correct boot device.  Add this to /boot/grub/menu.lst
and you will have the option of booting windows:

 title Windows
    rootnoverify (hd0,0)
    chainloader (hd0,0)+1

But you will need to install grub onto your MBR first. Try booting your
linux partition with the help of a rescue CD, and then run grub-install /dev/hda

-Brian



---------- Original Message -----------
From: Chuck Seiders <chucks at tux.org>
To: NoVaLUG Mailing List <Novalug at calypso.tux.org>
Sent: Fri, 14 Mar 2008 18:14:50 -0500
Subject: [Novalug] Boot up failing

> I'm trying to provide my 9 year old niece the opportunity of choice...
> So we're staring with baby steps(hopefully)
> AKA Dual boot - XP & Ubuntu
> 
> My question is, what do I need to change so the user is offered a 
> boot selection via grub ?
> 
> Here's a little background...
> System had XP running as only OS.
> Did typical XP disc prep stuff ccleaner, chkdsk, defrag etc.
> Ran installer from Ubuntu(7.10) Live CD desktop.
> During setup I used the manual partition process and config'd
> the 30GB HDD as :
> Windows XP: 18 GB
> Ubuntu Linux:  6 GB (/  )
> Linux Swap: 1 GB
> FAT32: 5 GB (share between both OS's)
> To be extra protective of the working Windows installation, I 
> chose not to install GRUB to my MBR, I selected the advanced 
> button. http://tinyurl.com/ywf3m6  <pops Then chose device for 
> boot loader installation as: (hd0,1) what I believe is hda2. No ? 
> Initially I had also flagged hda1 & hda2 boot able:
> 
> Device Boot      Start         End      Blocks   Id  System
> /dev/hda1   *           1        2254    18105223+   7  HPFS/NTFS
> /dev/hda2   *         2255        3008     6056505   83  Linux
> /dev/hda3            3009        3737     5855692+   5  Extended
> /dev/hda5            3009        3129      971901   82  Linux swap 
> / Solaris /dev/hda6            3130        3737     4883728+   b 
>  W95 FAT32
> 
> But during reboot it quit with "Invalid partition table" error,
> so I booted from a CD and toggled off the hda2 boot flag
> Now fdisk reports:
> 
> The number of cylinders for this disk is set to 3736.
> There is nothing wrong with that, but this is larger than 1024,
> and could in certain setups cause problems with:
> 1) software that runs at boot time (e.g., old versions of LILO)
> 2) booting and partitioning software from other OSs(e.g., DOS 
> FDISK, OS/2 FDISK) Command (m for help): p Disk /dev/hda: 30.7 GB, 
> 30737595904 bytes 255 heads, 63 sectors/track, 3736 cylinders 
> Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot     
>  Start         End      Blocks   Id  System /dev/hda1   *          
>  1        2254    18105223+   7  HPFS/NTFS /dev/hda2           
>  2255        3008     6056505   83  Linux /dev/hda3            
> 3009        3737     5855692+   5  Extended /dev/hda5            
> 3009        3129      971901   82  Linux swap / Solaris /dev/hda6  
>           3130        3737     4883728+   b  W95 FAT32
> 
> Now the system will again boot up and run XP normally, without a 
> choice(no grub), of course.
> Again...
> My question is, what do I need to change so the system will boot 
> via grub?
> 
> Thx!
> --ChuckS
> 
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------- End of Original Message -------