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 <[email protected]> wrote:

From: Pascal <[email protected]>
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





    
     

    
    






  










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