Could you help me diagnose whats going on with my macbook pro?

Discussion in 'MacBook Pro' started by wrenmillard, Jan 8, 2011.

  1. wrenmillard macrumors newbie

    Joined:
    Jul 1, 2009
    #1
    I own a 15 inch macbook pro pre-unibody, purchased in 2007.

    Recently, my computer has been getting MUCH slower. The the sound started to give out. Like when i'm listening to music, you can still hear the sound, it just breaks up and is VERY crackly (10% music, 90% crackle). Then my screen started to go black when active. I've kind of found out that if you move the lcd, it goes black. All my warranty is expired, and I don't have much cash. Am I up a creek without a paddle?
    What's wrong with this thing? How do i fix it?

    I still have plenty of memory left,

    If you need more info to help me out, just let me know.
    -

    Thank you so much for reading.
     
  2. SandboxGeneral Moderator

    SandboxGeneral

    Staff Member

    Joined:
    Sep 8, 2010
    Location:
    Orbiting a G-type Main Sequence Star
    #2
    Well it sounds like the logic board and/or components on it are failing. There isn't much you can do unless you find an exact replacement model on eBay or maybe some other site that sells them.

    I'm sure other MR members may know somewhere you can get one. But the prognosis doesn't appear good.
     
  3. wrenmillard thread starter macrumors newbie

    Joined:
    Jul 1, 2009
    #3
    Thanks for the quick response.

    I google'd the logic board, Looks like a new one is like 500 dollars.

    Looks like i'm screwed.
     
  4. mgartner0622 macrumors 65816

    mgartner0622

    Joined:
    Jun 6, 2010
    Location:
    Colorado, USA
    #4
    If it's the logic board and you have the 8600 Nvidia Graphics, you might be able to get a free replacement, because the graphics chips in those were "recalled" for failing due to heat separation from the logic board.
    I'd check at the Apple Store just to see.
     
  5. Animalk macrumors 6502

    Joined:
    May 27, 2007
    Location:
    Montreal Canada
    #5
    It could also be an ATI model like mine.
     
  6. wrenmillard thread starter macrumors newbie

    Joined:
    Jul 1, 2009
    #6
    Just looked. Mine's a 2.16 Ghz. No 8600 Nvidia Graphics chip for me.
     
  7. wrenmillard thread starter macrumors newbie

    Joined:
    Jul 1, 2009
    #7
    Mines an ATI, unfortunately not 8600 Nvidia Graphics.
     
  8. mgartner0622 macrumors 65816

    mgartner0622

    Joined:
    Jun 6, 2010
    Location:
    Colorado, USA
    #8
    I'd just try creating a new User Account on the machine, and see if the problem persists, before I write off the logic board. If the sound problem at least does not persist, then you need to do a software reinstall. A reinstall might also fix the slowness.
    It's not really related, but a PRAM reset does not hurt the least. (Command Option P R at startup)
     
  9. Animalk macrumors 6502

    Joined:
    May 27, 2007
    Location:
    Montreal Canada
    #9
    Make sure audio wire connections and jacks on machine are clean and debris free.

    Do the same check for the magsafe power jack in the machine.

    Follow all this with a reset of PRAM and SCM memory.
     
  10. Animalk macrumors 6502

    Joined:
    May 27, 2007
    Location:
    Montreal Canada
    #10
    I just came back to add a possible solution to your sound issues if you are using ITunes.

    ITunes -> Preferences -> Playback

    Make sure Sound Enhancer is checked off. This garbage of a feature did to me something similar to what you are describing.

    good luck
     

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