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  1. #1


    Member Since
    Apr 25, 2010
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    San Francisco
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    mbp 2.4 starts then dies
    my 15" 2.4 MBP has this issue where the computer starts ( I can hear the fan turn on and the DVD drive make noise. However, it turns off after 5 seconds. There is no boot chime.

    I have:
    -applied new coat of silicone/ grease to the processor
    -changed out for a known working hard drive
    -changed out a known working top case

    your input is appreciated

  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
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    Fort Worth, Texas
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    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, El Capitan
    The no boot chime usually indicates a logic board problem. Open it up again and double check the work you did. Why did you have to re-apply thermal paste to the CPU heat sink?

  3. #3


    Member Since
    Apr 25, 2010
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    It was doing it previously. I read that a possible issue is was the thermal paste. so I reapplied new paste and have the same problem.

  4. #4

    cwa107's Avatar
    Member Since
    Dec 20, 2006
    Location
    Lake Mary, Florida
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    26,872
    Specs:
    15" MBP, Core i7/2GHz, 8GB RAM, 480GB Crucial M500 SSD
    You did use real heat sink compound, right? Not just any ordinary paste will work and could potentially act as an insulator. Also, EASY DOES it on the compound - you really want a razor-thin layer, any more than that will also have an insulating effect.
    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

  5. #5


    Member Since
    Apr 25, 2010
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    Yes, I used heat sink compound. I dont think it would have heated up and crashed within 5 seconds.

  6. #6

    cwa107's Avatar
    Member Since
    Dec 20, 2006
    Location
    Lake Mary, Florida
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    26,872
    Specs:
    15" MBP, Core i7/2GHz, 8GB RAM, 480GB Crucial M500 SSD
    Quote Originally Posted by Lemmon_water View Post
    Yes, I used heat sink compound. I dont think it would have heated up and crashed within 5 seconds.
    Probably not, but an over application or an accidental drip could certainly cause a short. If it were mine, I'd be pulling it back apart and double-checking my work.
    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

  7. #7


    Member Since
    Apr 25, 2010
    Location
    San Francisco
    Posts
    16
    will do

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