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Old Feb 26, 2013, 11:23 AM   #1
ipos
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Macbook pro doesn't start up, white led light just stays on.

is the logic board faulty?
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Old Feb 26, 2013, 11:29 AM   #2
justperry
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Try resetting SMC
Resetting the System Management Controller - Support - Apple
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Old Feb 26, 2013, 11:32 AM   #3
ipos
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Its not even booting
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Old Feb 26, 2013, 11:35 AM   #4
GGJstudios
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Its not even booting
Press and hold the power button for 5-10 seconds, until the light goes out. Then press it again to restart your Mac.
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Old Feb 26, 2013, 11:41 AM   #5
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Originally Posted by GGJstudios View Post
Press and hold the power button for 5-10 seconds, until the light goes out. Then press it again to restart your Mac.
Thanks it works!
What could be the problem?
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Old Feb 26, 2013, 11:45 AM   #6
GGJstudios
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Thanks it works!
What could be the problem?
It failed to wake from sleep or didn't completely shut down. Holding the power button forces it to shut down completely.
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Old Feb 26, 2013, 08:49 PM   #7
justperry
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Thanks it works!
What could be the problem?
Ouch, I thought all Mac Users know this, that's why I suggested SMC reset, good it is solved.

Macs do have sleeping problems once in a while, I have a new Mac Mini and it failed wake from sleep 3 times in a week, I set the sleep timer to never and it is solved for now, put to sleep manually.
There seems to be a bug in 10.8.2 and lots of people have this problem.
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Old Feb 26, 2013, 08:52 PM   #8
yusukeaoki
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Yeah 10.8.2 seems to have wake bug.
Sometimes it just wont wake up and needs force restart.

And tbh, I did thought all Mac users knew how to force shutdown a computer...
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Old Feb 26, 2013, 09:04 PM   #9
Mr. Retrofire
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Quote:
Originally Posted by ipos View Post
is the logic board faulty?
How can we know this, if you do not tell us the model# or the generation of the MBP!?

If it is a model from 2007, 2008 or 2009, then it is possible, that your model has a defective NVIDIA GPU. I had a defective GPU in my Mid-2009 17" MBP.

In that case, a professional repair shop can help.
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