Macbook pro late 2011 problems

Discussion in 'MacBook Pro' started by miha-, Jul 11, 2013.

  1. miha- macrumors newbie

    Joined:
    Jul 11, 2013
    #1
    Hi,


    Three days ago I noticed that my mac book pro freez. I need it to shut down it with power buton (hold it for some time). After reboot mac book needed very long time to boot, after restart all works ok but then run for about 20min and that freez again.

    I did hardware test and it does not indicate that something is wrong with hardware.

    I tried with holding D and apple button to do reinstall but I get blue screen (http://postimg.org/image/46mx6pztv/). Yesterday when I was doing some stuff also strange thing happened. The screen (if you loking at x axel) was position for about 40% to the right. (exp http://postimg.org/image/80xjmx3sz/).

    What could be wrong if hardware test did not find any problems?

    Thank you for all your help!!!

    MIha
     
  2. saturnotaku macrumors 68000

    Joined:
    Mar 4, 2013
    #2
    Unexplained system freezes and other odd behavior usually means bad RAM. While the Apple hardware test might not have told you anything was wrong, you should try a dedicated memory testing program.

    Go here, download the software and follow the instructions, being sure to boot into single user mode to run the program.

    If it coughs up errors or locks up again, you can be pretty certain your RAM is at fault.

    Good luck.
     
  3. calpolygraduate macrumors regular

    calpolygraduate

    Joined:
    Jan 16, 2008
  4. miha- thread starter macrumors newbie

    Joined:
    Jul 11, 2013
    #4
    @saturnotaku I runned memtest all but everything was passed with ok:(

    Any other suggestions?

    tnx
     

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