Mac has suddenly crashed, so how can recover data from it

There is simple way to recover crashed from Mac .

You need data Mac Data Recovery Tool -

Mac Data Recovery Tool program can recover files deleted or lost from internal Mac hard drive without any problem. Moreover, files lost from external removable media storage devices such as external hard drive, USB flash drive, memory card, SD card, CD/DVD optical media, and etc can also be retrieved on Mac if they have been connected to Mac. It recovers data of various scenarios, such as data loss of formatted system or hard drive, system crash, hard drive crash, virus invasion, software failure, wrong partition, accidental file deletion and more data loss occasions. After data recovery Mac software has filtered out files from mass data, you can preview the photos and documents before actual recovery to ensure the files are exactly what you are looking for.
For download this software, visit on :-  http://www.undeletepcfiles.com/mac-data-recovery-tool.html