After using TestDisk

From CGSecurity

After writing a new partition structure, you have to reboot for the change to take effect. Check the filesystems and repair them if necessary.

Contents 1 Writing the partition table 1.1 Mac OS X 2 How to check and repair a filesystem 2.1 ReiserFS 2.2 To repair a FAT/NTFS filesystem under Windows 3 How to make the system bootable again 3.1 Dos - Win9x 3.2 Windows 2000/XP/2003 3.3 Linux/FreeBSD 3.4 Multiboot 4 How to undelete files 4.1 Ext2fs 4.2 ReiserFS 4.3 PhotoRec

Writing the partition table

Mac OS X

Use pdisk to recreate the Mac partition map using the values given by TestDisk

How to check and repair a filesystem

ReiserFS

If the superblock of a reiserfs partition is missing, it can be rebuild with reiserfsck --rebuild-sb device.

To repair a FAT/NTFS filesystem under Windows

To check a NTFS partition from Windows, run chkdsk /f c:

How to make the system bootable again

Dos - Win9x

If your OS doesn't boot, you can reinstall the system files with sys c:.

Windows 2000/XP/2003

If your Windows doesn't boot, try fixmbr from the Windows Recovery Console and fixboot to repair NTFS boot sector.

Linux/FreeBSD

You may have to update your /etc/fstab to reflect the new partition order.

Multiboot

You may have to update your multiboot configuration and reinstall the multiboot in the Master Boot Record.

• Lilo: /etc/lilo.conf, lilo to re-install
• Grub: /boot/grub/grub.conf, grub-install device
• Windows (NT/2000/XP/2003/...): c:\boot.ini, run fixmbr from the Recovery Console (ie. fixmbr \Device\HardDisk0)

How to undelete files

Ext2fs

To undelete files on linux, you can try e2undel

ReiserFS

Read the ReiserFS file undelete HOWTO

PhotoRec

Try PhotoRec if you want to recover files and the system is too badly damaged to be repaired.

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