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  1. #1


    Member Since
    Mar 12, 2009
    Posts
    2
    Macbook Pro Video Problems bought in July 2007
    Hello!

    I have a macbook pro 15'' 2.2Ghz with a GeForce 8600M GT, bought on July 2007.
    I recently upgraded the stock memory (from 2G to 4G) and hard disk (to a 320GB one).
    The only thing that I did was to blew the board with compressed air for removing
    any dust.

    After that I have started experiencing some weird problem from time to time.
    Whenever I boot up the computer in many occasions the video is distorted
    for some seconds or minutes and then distortion disappears and everything is back
    to normal (it seems as if the screen is trying to calibrate to get rid of the problem).
    I do not experience any slow down on the OS or hanging. With the distortion
    happening the computer is operating normally. Unfortunately this morning I boot up
    the computer and the distortion did not go away. After waiting for some minutes nothing happened.
    I shut down the computer and then I took it on my hands a shook it (yes shook it!) a couple
    of times in the air. After switching it on there was no distortion!

    I notice that distortion happens more often when I carry the computer on my bag and take it out
    and open it. Also it is far more common when it is on (in sleep mode) that completely off.

    Initially I thought that it might be the Macbook Pro: Video Distorted Video but I think this is
    not the case.

    Any feedback would be appreciated!

    Thanks in advance for your time!

  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    49,125
    Specs:
    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, El Capitan
    Just a stab here.... But it might be a loose display cable, possibly loose at the connector end. (logic board) If you're handy with taking a computer apart, you may be able to repair it yourself. However, if your machine is still covered by a warranty (Apple care), let Apple repair it.

    Regards.

  3. #3

    cwa107's Avatar
    Member Since
    Dec 20, 2006
    Location
    Lake Mary, Florida
    Posts
    26,944
    Specs:
    15" MBP, Core i7/2GHz, 8GB RAM, 480GB Crucial M500 SSD
    Quote Originally Posted by chscag View Post
    Just a stab here.... But it might be a loose display cable, possibly loose at the connector end. (logic board) If you're handy with taking a computer apart, you may be able to repair it yourself. However, if your machine is still covered by a warranty (Apple care), let Apple repair it.

    Regards.
    That would be my advice as well. It seems suspect that the problems started occurring after the machine was opened. However, this model does have a known defect with the NVIDIA 8600 chip. If the problem persists after checking the cable's seating in the connector, you may have recourse with Apple beyond the warranty period.
    Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!

    https://youtu.be/KHZ8ek-6ccc

  4. #4

    nZa's Avatar
    Member Since
    Oct 16, 2007
    Location
    Newport News, VA
    Posts
    242
    Specs:
    2.8Ghz MBP
    I have a 2.2ghz and also upgraded to 4gb of ram. Mine started doing the distortion thing you seem to be referring to about 4 months ago, and my video chip (entire logic board) went bad about 3 months ago..

    Hopefully the same doesn't happen to you.

  5. #5


    Member Since
    Mar 12, 2009
    Posts
    2
    nZa, when my distortion is happening I cannot really use the computer the screen is showing only lines! Is this the same with you?

    Is this the macbook pro distorted video case?
    MacBook Pro: Distorted video or no video issues

  6. #6

    nZa's Avatar
    Member Since
    Oct 16, 2007
    Location
    Newport News, VA
    Posts
    242
    Specs:
    2.8Ghz MBP
    Quote Originally Posted by mutron View Post
    nZa, when my distortion is happening I cannot really use the computer the screen is showing only lines! Is this the same with you?

    Is this the macbook pro distorted video case?
    MacBook Pro: Distorted video or no video issues
    actually, that's the exact reference they noted when i took it into the apple store to have it repaired. it started with the - "Distorted or scrambled video on the computer screen" and eventually turned into "No video on the computer screen (or external display) even though the computer is on".

    My laptop had been out of warranty (no Applecare) for about 3 months when I took it in and they fixed it free of charge since it's a fairly common problem. Otherwise, IIRC, it was going to be $1200ish.

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