You can edit Disk system records (MFT, Boot sector etc.) by using specially designed forms.
1. In Recovery Explorer select a physical device
2. In Partition Manager select a physical device
3. Open the Edit Partition Table dialog:
4. Change desired fields to appropriate values
Figure 47: Edit Partition Table dialog
Warning: Saving incorrect values might render the partition useless. You may not undo changes that you make in this dialog.
5. Click OK to complete changes