File system formatter failed Lion, is one of the most annoying error issue which is often encountered by Mac users when there is any kind of problem occurs while formatting the hard drive. Due to this your Mac Lion may refuse to start and eventually result in complete data inaccessibility issue. The main reason behind emergence of this very error on Mac system is interruption while formatting Mac system. Hence in order to fix file system formatter failed Lion issue you will need to connect your hard drive with any running Mac Lion and then format it properly. It will easily resolve this very error completely from your Mac system but in order to rescue lost files you will need to take the help of any powerful third party data recovery services. You can use Mac Data Recovery Software in order to rescue files after file system formatter failed Lion. It is very advanced and easy to use. It recovers all kind of data on Mac and able to overcome any data inaccessibility issue easily. It has been designed with user friendly graphical interface and provides preview of all recoverable files. Therefore it is recommended to try Mac Data Recovery Software in order to rescue files after file system formatter failed Lion error.