Model A1181: 1.83, 2, 2.1, 2.13, 2.16, 2.2, or 2.4 GHz Core 2 Duo processor

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MPB fails at boot

While in use, the screen flickered and went dark. Now on boot, the screen comes up in vertical stripes…

After about 30 seconds, the "hardware failure dark curtain" rolls down..

There is no signal out to an attached external monitor, but will boot and show disk in Target Mode. Does this sound like a logic board replacement? Juggling repair/replace decision.

Thanks all!


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I think I know what your problem is but need to know exactly which machine you have. Please look in the battery compartment and give us the last three figures of your serial number> Thanks


grrr..carefully assembled info, and didn't copy all before paste. Mac is MacBook Pro "Core 2 Duo" 15-inch (Early 2008)


Serial # ends YJX


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Apple MacBook Pro "Core 2 Duo" 2.4 15" (08) Specs

Identifiers: Early 2008 - MB133LL/A - MacBookPro4,1 - A1260 - 2198

remac is correct. Your machine has the Nvidia GPU as I suspected.

Most of the time this involves scrambled colors on the screen but also no screen. Contact Apple, they will most likely replace your logic board for free, they also pay for all shipping, it takes about four days total. Here's the Apple site on it:

Also see

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+ much more detailed for north america. For the tech minded: It's actually a frame buffer failure which explains the blank screen or the kernel panics when the computer tries to display something more complex than a gray screen with a logo on it ;-)


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Looks like another variation of the known NVIDIA failure on these machines. Apple has an extended warranty on this issue (up til 4 years after purchase), so rush to your nearest authorized service and let them fix it. It all boils down to a new logic board.

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ms will be eternally grateful.
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