MacBook Pro A1278 starts, apple logo appears then shuts down

"You would do the command-s boot in order to force the boot volume's file system, and repair if necessary.

At the prompt (after all the text stops showing up) you type /sbin/fsck -fy (thats fsck single space dash fy) return Note that this may not be able to fix all problems in a single pass, so if it finds and fixes anything (it'll print ""***** FILE SYSTEM WAS MODIFIED *****""), run it again, and keep running it until it comes back with something like ""The volume Macintosh HD appears to be ok.""

If this doesn't work, or you could try to run disk repair (command-D) boot to get to disk tools to check the volume, or repair the OS X system.

If this answer is acceptable please remember to return and mark it."

"I had a late 08 MBP 15 once that did the same thing. I noticed it would continue to boot and not shut down as long as a key was pressed on the keyboard constantly.

Actually it was more like a key had to be pressed every two seconds or so or the machine would shut off.

I replaced the keyboard and that resolved the problem."

"I had the same issue, and did as suggested here.

It comes back with the message

Reparing the volume.

GetCatalogueRecord: No matching catalog record found

FixBadExtent: Could not get catalog record for fileID 1076956

The volume Machintosh HD could not be repaired.

Any suggestions in this situation?

Thanks in advance!"

I just encountered the asme problem my MacBook pro was connected to hard drives to make some backups but then in the middle of opening the hard drives, it went off and when I turn on the grey screen with the logo comes up, a loading bar shows up, it tries to load for some time and then and the bar disappears and after ten seconds the screen goes black and the laptop off! I also need your help please?