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  1. #1

    Member Since
    Jan 08, 2010
    Unhappy 2008 Macbook Pro startup issue
    My 2008 Macbook pro sometimes will not startup upon first pressing the power button. When pressing the button it makes a sound like it is about to startup but then it chirps and shuts off. I have to press the power button a couple of times and then it eventually will start up. Has been doing this for a while. Any thoughts as to what may be the issue?

    Here is a youtube video of it happening. If you listen closely you can hear the chirping sound.

    YouTube - MOV01043.MPG

  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Fort Worth, Texas
    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, El Capitan
    Is your machine covered by Apple care? If so, make an appointment with the genius bar and have them look at it.

    Does it do the same thing on battery and AC power?

    It sounds like it's either the power switch circuitry itself or the power supply which is acting up. The "chirping" appears to be an effort on the part of the PS to start the machine. Once it gets going, you can hear the startup POST chime. I assume that the machine runs OK once it starts?


  3. #3

    Member Since
    Jan 08, 2010
    No no applecare, wish I had gotten it.
    Does the same thing both AC and battery.
    Yes the machine runs fine once it has started up.

    Thanks for your input.

  4. #4

    Member Since
    Jan 10, 2010
    Synergy - I also have this same issue. My machine does the same thing with battery or PS. If I hold the power button down a little longer, I get more of a start up sequence, but it never completes.

    The chirping in my machine is most definitely coming from the Hard Drive. (Opened Macbook up and put my ear right next tot the drive). Fearing a dead drive, I put this machine's drive in an enclosure and it instantly opened as a USB drive (albeit on a Dell PC running Macdrive).

    I post this here in hope that more people posting this same problem might lead to a solution!


  5. #5

    Member Since
    Jan 08, 2010

    Have you tried a new drive in your macbook to see if the problem still happens?

  6. #6

    Collin Bl's Avatar
    Member Since
    Apr 07, 2009
    Napier NZ
    27 iMac i5, MBP 13 & iMac 20, 2TB dual TC, AppleTV, iPh4S
    Have you tried resetting the SMC here

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