Chosen Solution

When I turn on my Mac, it just processes and finally It shut down instantly without entering the system what it may be? I tried to enter into security mode, but the same happens, I entered the recovery partition and tried to repair the disk, the Repair process fails and asks to backup the information, but without entering the system I can not back up the information, what I do now, how do I save all my information and recover the system? I have no time machine backup, Update (12/27/2016) Has no external ssd drive nor onther macbook with same ssd compatible, is ther onther option to same my information ?

Do you have access to a second Mac? If you do you could try using Target Mode. The other option here is to take the SSD drive out and using a special case mount it into it which will allow you to access the files to a second Mac system. Target Mode: hare files between two computers with target disk modeExternal case: OWC Envoy Pro If target Mode won’t work you’ll need to use the case method. It does sound like your system has a deeper issue here which is why it’s shutting down. Once you get your files off the drive you’ll likely need to look deeper on whats happening here.

target disk mode or external SSD adapter would solve ur issue