14 Replies Latest reply: Feb 1, 2013 12:23 PM by CT
venkye Level 1 Level 1 (0 points)

hello

i have changed the access of library to WRITE ONLY and also i changed the access of system files to NO ACCESS FOR ANYONE in macintosh HD.then,suddenly it stopped working.i tried it shut down.then it didnot shut down.then i pressed ctrl+command+power button.then it was shut down.

NOW, nothing is opening in macbook pro.it is opening and only apple logo is shown.what should i do now.i knew nothing in mac.please help me.operating system is 10.7