It is quite an obvious thing that people look for Mac data recovery after re-installation of Mac OS X. There are many situations where the operating system becomes corrupt or unresponsive and you will have to re install it in order to make your Mac run perfectly again. The various reasons for this can be corruption in start up disk, missing system files, BIOS corruption, virus infection, error while upgrading the Mac OS X to a newer version etc. Although you can easily reinstall the OS but all the data will be lost and Mac data recovery after re-installation can be a tricky process. You can use your personal back up if you have made any or you can use the Time Machine. It saves a copy of files at regular interval in the external drive called Time Capsule. It easily do the Mac data recovery after re-installation. If the Time machine has not been set up or giving error then you can use Mac data recovery software. It will thoroughly scan your drive for the erased data and will show you the preview so that you can select and restore your desired files. It is efficient enough to recover every file when you perform Mac data recovery after re-installation.