Six Ways Help You Fix Your PC Needs to Be Repaired Error [Partition Magic] Causes for This Issue. Solution 1: Run Startup/Automatic Repair. Solution 2: Run a Disk Check and System File Check. Solution 3: Rebuild BCD. Solution 4: Create BCD. Solution 5: Set Correct Partition as Active. Solution 6: Reinstall Your System. More items... Sep 23, 2021