|Start DD and make sure you're in "Manual" mode.
Then Right-Click on the Logical Partition that contains your XP
installation and select the Advanced menu and then the Edit item from the
sub-menu. (In this example, I'm just using one of my NTFS Logical data
Acronis Disk Editor will start and show the disk. Click on the View menu
and select the "As NTFS Boot Sector" option to view the data in
the correct format.
This is the BEFORE image. Notice that the partition starts on Absolute
sector 157,356,738, but the Hidden Sectors field (shown below) says
"63" (which is the default for the first Primary partition).
Click in the Hidden sectors textbox and type in the Absolute sector value.
Then press TAB to move to another field or click into another field so the
Editor knows you made a change. The Save Sector button should become
enabled. Click it to save the sector (you may be asked if you want to save