Most of the software companies, either of application software or system software, release the periodic updates on their products. Like all other companies, Apple also gives chance to its customers to avail advanced features by releasing the newer file versions of Mac operating system.

Every computer user wants to take advantage of newer features released by the company as soon as possible. But sometimes, upgrading your computer operating system may lead to several disastrous problems and could lead to the nightmare of data loss.

When you upgrade to Mac OS X 10.5 Leopard, sometimes you may find that after upgrading, your hard drive just becomes dead and you can't access any data stored on it. When you look into the hard drive partition table, you will find some complicated entries there.

This is the worst data loss scenario which a Mac computer user could face at any point of time. The problem could occur possibly due to the incompatibility of your computer hardware, some file system problems or due to the incomplete installation.

Nevertheless the reason of the issue, results are very drastic. If the data, which were previously stored on the drive, was very important from businesses point of view then it might lead to the complete destruction of your business.

To work around this problem, you need to completely reinstall the Leopard using the installation DVD using 'Erase and Install' installation method. This will delete all the faulty data structure and software from your hard drive and will install a fresh copy of the file system and operating system.

Although, this method works in almost all of the cases, yet it deletes your precious data from the hard drive, which is not acceptable at any cost. In such grave situations, you need to recover the data as quickly as possible to save you and your business.

The data recovery is possible through the complete and systematic scanning of the affected hard drive using the inclusive scanning algorithms and the same is done by the data recovery software. For Mac computers, these data recovery software are known as Mac data recovery software.

Mac data recovery software are the specially designed third party applications which perform the complete data recovery Mac in almost all possible cases of data loss. These software are made available by several data recovery companies with different features and functions.

Stellar Phoenix Data Recovery Mac Software is the ultimate solution of all your Mac data loss problems. This data recovery Mac software performs the complete scan of the hard drive using the best ever made scanning algorithms and recovers all of your lost data.