| Most of the Mac-formatted hard drives are | | | | "BAD SUPER BLOCK: MAGIC NUMBER WRONG" |
| shipped either with the Power PC compatible | | | | As a consequence of this behavior, the corrupted |
| Apple Partition Map or with the GUID Partition | | | | partition cannot be fixed and data remains |
| Table scheme, while the PC-formatted hard disks | | | | inaccessible. |
| use MBR scheme. The latter generally come with | | | | Solution |
| FAT file system. Thus, when you run fsck in | | | | As explained above, the above error might result |
| order to check or fix a corrupted Mac OS X | | | | when fsck cannot find the expected magic |
| partition, it reports errors. | | | | number. Thus, you need to partition and reformat |
| The reason is that it expects a Unix file system | | | | the Mac hard drive to a partition scheme that |
| with a unique identifier called magic number and | | | | fsck can understand. To do so, click 'Partition' tab |
| not FAT. When it cannot find the expected magic | | | | in 'Disk Utility', select the affected partition in |
| number, it declares that the corrupted partition | | | | 'Volume Scheme' drop-down menu, click 'Options', |
| cannot be repaired. As a result, you need to opt | | | | and select the 'GUID Partition Table' scheme. Make |
| for more effective Mac File Recovery solutions. | | | | sure to select 'Mac OS Extended' option from |
| Mac OS X users often complain that fsck has | | | | 'Format' drop-down menu and click 'Apply'. |
| been unable to repair their corrupted partition with | | | | After the partition has been reformatted, you |
| magic number errors. Suppose a Mac OS X user | | | | need to restore lost data from last available |
| installs Boot Camp to benefit from its usability. | | | | backup. In case, no suitable backup is present, the |
| Later, he/she finds that one of the OS X partition | | | | only solution to recover it is to use a Mac Data |
| cannot be detected under the operating system. | | | | Recovery utility. Mac Recovery software are |
| Expecting it as the case of partition corruption, he | | | | specifically programmed to scan a crashed Mac |
| she runs fsck. But contrary to the belief, fsck fails | | | | disk and retrieve inaccessible lost files and folders |
| to repair the partition and gives the below error | | | | from it. |
| message: | | | | |