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  1. #1
    SOS help please. Macbook Pro won't turn on. Blinking Light

    Member Since
    Jan 01, 2010
    Posts
    1
    SOS help please. Macbook Pro won't turn on. Blinking Light
    Hello to everyone this is my first post here and sadly its about a problem with my macbook pro.
    The notebook in question is a 17'' Macbook Pro I bought in September 2008.
    I simply closed it (without turning it off, just let it go on sleep) and took it with me as usual and when I tried turning it on again, it would not turn on.

    I press the power button and I hear the hard drive/superdrive (not sure which of the two) start up and I see the sleep light turn on but after a few seconds its turns off again. If I hold the power button down for a few seconds the sleep light starts blinking and then the notebook turns off once more. In all cases the screen is black.

    I tried everything here Troubleshooting a MacBook, MacBook Air or MacBook Pro that won't turn on and tried removing and re-installing the RAM and nothing changed.
    Short of trying to re-install the RAM again I have no idea what to do. I won't be able to visit a Genius until after the 5th so any ideas/suggestions?

  2. #2
    SOS help please. Macbook Pro won't turn on. Blinking Light

    Member Since
    Jan 01, 2010
    Posts
    29
    Did you try to boot it in safe mode after turning it off? I'm not sure if that will help, but it might do something.

  3. #3
    SOS help please. Macbook Pro won't turn on. Blinking Light

    Member Since
    May 25, 2010
    Posts
    1
    Did you ever get this issue resolved? I am having the exact same problem with my 2008 MBP

  4. #4
    SOS help please. Macbook Pro won't turn on. Blinking Light
    Chris H.'s Avatar
    Member Since
    Oct 03, 2009
    Location
    Albuquerque, New Mexico
    Posts
    2,633
    Quote Originally Posted by antonisalb View Post
    Hello to everyone this is my first post here and sadly its about a problem with my macbook pro.
    The notebook in question is a 17'' Macbook Pro I bought in September 2008.
    I simply closed it (without turning it off, just let it go on sleep) and took it with me as usual and when I tried turning it on again, it would not turn on.

    I press the power button and I hear the hard drive/superdrive (not sure which of the two) start up and I see the sleep light turn on but after a few seconds its turns off again. If I hold the power button down for a few seconds the sleep light starts blinking and then the notebook turns off once more. In all cases the screen is black.

    I tried everything here Troubleshooting a MacBook, MacBook Air or MacBook Pro that won't turn on and tried removing and re-installing the RAM and nothing changed.
    Short of trying to re-install the RAM again I have no idea what to do. I won't be able to visit a Genius until after the 5th so any ideas/suggestions?
    Have you tried resetting the PRAM?

    Resetting your Mac's PRAM and NVRAM
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  5. #5
    SOS help please. Macbook Pro won't turn on. Blinking Light

    Member Since
    Jun 03, 2010
    Posts
    1
    have anyone knows whats this problem about? same happening to me

  6. #6
    SOS help please. Macbook Pro won't turn on. Blinking Light
    Collin Bl's Avatar
    Member Since
    Apr 07, 2009
    Location
    Napier NZ
    Posts
    3,291
    Specs:
    27 iMac i5, MBP 13 & iMac 20, 2TB dual TC, AppleTV, iPh4S
    Try resetting the SMC see if that helps - this link for a Santa Rosa model.

  7. #7
    SOS help please. Macbook Pro won't turn on. Blinking Light

    Member Since
    Jun 03, 2010
    Posts
    1
    Could it be to do with this? MacBook Pro: Distorted video or no video issues

    I had a similar problem last week - tried to turn the macbook pro on and it made the start up noise but nothing came on the screen. I took it to an Apple retailer to get looked at and the logic board was replaced free of charge. Much to my relief!

    I hope that helps.

  8. #8
    SOS help please. Macbook Pro won't turn on. Blinking Light
    iLaw's Avatar
    Member Since
    May 23, 2008
    Location
    Mississauga, ON, Canada
    Posts
    167
    Specs:
    MacBook Pro 15" (Mid 2010), iPhone 3GS
    Try this if all others have failed:
    Unplug the computer, disconnect the battery (if you can). Hold down the power button for minimum of 10 seconds. Reconnect all power sources.
    iLaw
    MacBook Pro 15" (Mid 2010) + White 32GB Rogers iPhone 3GS
    2.66 GHz Intel Core i7, 4 GB DDR3 RAM, 500 GB 7200 RPM Hard Drive, Intel HD/512 MB GeForce 330M Graphics, Hi-Res 15" Glossy Screen, Mac OS X v10.6

  9. #9
    SOS help please. Macbook Pro won't turn on. Blinking Light
    ogacon's Avatar
    Member Since
    Mar 16, 2008
    Location
    Twin Cities (Suburbs) Minnesota
    Posts
    645
    Specs:
     15" 2.4 MBP  iPod Classic 80 GB, Silver
    Quote Originally Posted by StephJ View Post
    Could it be to do with this? MacBook Pro: Distorted video or no video issues

    I had a similar problem last week - tried to turn the macbook pro on and it made the start up noise but nothing came on the screen. I took it to an Apple retailer to get looked at and the logic board was replaced free of charge. Much to my relief!

    I hope that helps.
    Did you have warranty still? Or were you out of warranty?
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  10. #10
    SOS help please. Macbook Pro won't turn on. Blinking Light
    chas_m's Avatar
    Member Since
    Jan 22, 2010
    Location
    Victoria, BC
    Posts
    18,940
    Specs:
    Mid-2012 MBP (16GB, 1TB HD), Monoprice 24-inch second monitor, iPhone 5s 32GB, iPad Air 2 64GB
    Quote Originally Posted by antonisalb View Post
    I simply closed it (without turning it off, just let it go on sleep) and took it with me as usual and when I tried turning it on again, it would not turn on.
    I do not know what specifically is the OP's issue, but I have heard a very similar story 1000 times from various laptop owners, and very often (not always, but very often) it turns out to be something I call "heat coma."

    THE CAUSE: putting the machine to sleep when its hot and immediately sticking it in a bag or case. The laptop's temp sensors find that temps are still too high and can't vent, or sometimes something causes the machine to "wake up" while its still in the bag and can't vent. Bottom line: bad ventilation causes the problem.

    THE RESULT: won't turn back on. Makes sounds like it is turning on or IS on, but screen remains black.

    THE FIX: Remove battery and power from the machine. Let it sit for an hour. Put battery back in and start up. It will usually reboot normally at this point.

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