The technology behind commercial backup-and-restore solutions—including Microsoft Backup and Restore—varies greatly; therefore, restoring volume(s) directly on a disk encrypted by Symantec Endpoint Encryption Drive Encryption is not guaranteed.
A best practice for successful restoration is to always decrypt the disk first.
If you cannot decrypt the disk before you try to restore it, use the following workaround at your own risk:
An overall best practice for creating useful backups is to choose volume-based backups instead of file-based backups.
To reset the MBR on Microsoft Windows 7 systems
To reset the MBR on Microsoft Windows 8.x systems