Mac Gray Screen of Death Recovery is really important as there must be many important files saved in your Mac hard drive that needs to be recovered which will certainly be used in the future work. The Mac gray screen can be encountered if the Mac OS X is not loading completely on the memory at the time of boot up. It can happen when the start up drive where the OS X is installed is not responding or is corrupted. You can fix the hard drive issue with the disk utility which can even run from the start up screen and if it is not resolved then the drive needs to be formatted. You may have to reinstall the Mac OS X and then for Mac Gray Screen of Death Recovery use the time machine backup. There is no guarantee that all your files will be recovered so for that you should use the Mac data recovery software which will scan the whole Mac drive throughly and the results are shown in the preview and you can select the files that you want to choose. So download the software and perform Mac Gray Screen of Death Recovery.