Try Parted Magic. It is the tool most used by Linux forensic shops. http://partedmagic.com
I believe that Partition Editor or Gparted can do it as well, but you cannot work on a partition that is mounted. It is best to work from a Live CD. Roy Using Kubuntu 12.10, 64-bit Location: Canada On 29 October 2012 11:03, Pascal <[email protected]> wrote: > ** > > > > > --- In [email protected], Roy <linuxcanuck@...> wrote: > > > > You can rewrite grub using the Kubuntu Live CD or any other one. > > > > Got to https://help.ubuntu.com/community/Grub2/Installing > > see the section: Reinstalling GRUB 2 from a Working System > > > > It is rather simple really. You just open a terminal and copy and paste > the > > line that looks like: sudo grub-install /dev/sda > > > > It should detect any installed OS and give it a grub entry. > > Exactly that is the point, GRUB does not detect any OS on this partition > and I'm told that the file system is not valid (After shrinking only the > file system and not yet the partition, I was able to boot into Windows). I > believe there is a problem with the partition. It starts at sector 2048 > (That's what fdisk set it to when creating a new partition, no smaller > value possible via this tool). I installed several GRUBs (GRUB legacy & > GRUB 2), they all failed to recognize Windows. > > Does anyone know of a Linux partitioning tool where you can set the > beginning of a new partition at sector 64? That's the starting point of a > NTFS-formatted USB drive, and I suspect, that is where the Windows > partition should actually start for GRUB to detect a Windows operating > system. > > In the meantime, I guess I will install Windows 7 on another computer > > Thanks for your help, > > Pascal > > > > > > ** > > > > > > > > > > Do you have a Windows CD to boot from? Do you know the Admin Password? > For > > > WinXP, I've used Fixboot and FixMBR, then later I've used the Grub Disk > > > > Repair CD. I hope you remembered to run Defrag on the Windows hard > drive > > > before resizing its partition. > > > > > > Excuse if I left out any steps, but others have no doubt run into this > > > more than I have. > > > > > > Joan in Reno > > > > > > --- On Sun, 10/28/12, Pascal <pascal.bernhard@...> wrote: > > > > > > From: Pascal <pascal.bernhard@...> > > > Subject: [LINUX_Newbies] Recover Windows Partition_GRUB does not > recognize > > > Windows partition > > > To: [email protected] > > > Date: Sunday, October 28, 2012, 4:48 PM > > > > > > > > > > > > > I wanted to shrink a Windows-XP partition under a dual boot setup > (Kubuntu > > > 12.10), in order to install a different Linux and have more space for > it on > > > the harddrive. So I resized it via ntfsresize -b -s 60GB (original > size was > > > 90GB). Kubuntu's GRUB booted Windows correctly. Then I deleted the > > > NTFS-partition with fdisk and recreated in its place a smaller one > (size > > > 61GB, a little bigger than the newly shrunk file system). > Unfortunately I > > > did not pay attention to the starting point of the original Windows > > > partition, and had it start on the default value fdisk assumes, that is > > > 2048. > > > > > > All of a sudden, Kubuntu's GRUB told me that no partition was found, I > had > > > deleted the Linux partitions behind Windows in the meantime, as > Siduction's > > > installer (I did not want Ubuntu stuff anymore) does not feature a > working, > > > easy to use partioning tool like gparted. Somehow the installed GRUB > barely > > > understood (that is, it understood some but not all) GRUB2 and GRUB > > > commands when it dropped to grub shell on bootup. It saw the > > > NTFS-partition, but I could not make it boot it. > > > > > > ls & set root=(hdX,Y) worked > > > > > > drivemap -s (hd0) ${root} didn't > > > > > > so I was stuck > > > > > > Then I installed Siduction and Fuduntu on the free disk space. Both > > > installed their respective GRUB into the MBR of the partition, but > neither > > > of them detected a Windows OS. Right now I can choose between > Siduction and > > > Fuduntu. The command os-prober wasn't successful either. I cannot mount > > > (Running Fuduntu or Siduction) the partition (/dev/sda1), for I'm told, > > > that it doesn't contain a valid NTFS file system. > > > > > > Does somebody know how to fix that? Do I have to reinstall Windows? > > > > > > Pascal > > > > > > [Non-text portions of this message have been removed] > > > > > > > > > > > > > > > [Non-text portions of this message have been removed] > > > > > [Non-text portions of this message have been removed] ------------------------------------ To unsubscribe from this list, please email [email protected] & you will be removed.Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/LINUX_Newbies/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/LINUX_Newbies/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
