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Mid 2010 Model A1278 / 2.4 もしくは 2.66 GHz Core 2 Duoプロセッサ

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Mac pro screen goes purple, black, gets hot, and doesn’t respond.

My macbook pro will start up fine( most of the time), but randomly my screen will go complete purple or green, sometimes with stripes, and then goes black. The computer is still on, but it’s completely unresponsive. It’s also very hot.

One time the screen went straight black, and just beeped, without a pattern, until I did a forced shut-down.

I also know that this started happening within the past week, before that I noticed my computer would turn on while sleeping in my backpack and overheat and be non-responsive with a black screen.

what could be wrong with it??

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Sounds like your problems are heat related so let’s go after that first.

Take the screws out of the bottom cover, boot up and check to see if the fans are running.

Next shut it down. Look closely around the end of the heat sink where it is crimped shut. You are looking for an dry oily stain on the logic board indicating the heat sink has leaked.

Next lets change out the thermal paste:

MacBook Pro 13" Unibody Mid 2010ヒートシンクの交換

Lets us know your findings.

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Well I just did a hardware test and the mac came back with an error code 3403D. Does this help??

さんによる

@astro_turf that usually means the test is to old

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I'd like to confirm your exact machine. To do that please go to this link and enter your serial number and let us know your results https://everymac.com/ultimate-mac-lookup...

さんによる

Thanks so much for your help!

This is the exact computer

Apple MacBook Pro "Core 2 Duo" 2.4 13" Mid-2010 Specs

Identifiers: Mid-2010 13" - MC374LL/A - MacBookPro7,1 - A1278 - 2351*

さんによる

OK, start looking at the other things I talked about.

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Hey Colton,

The first thing I would try would be resetting the SMC (System Management Controller). The SMC detects if your MacBook Pro’s lid is closed and it also controls your thermal management system and your battery on your MacBook Pro. The signs that show you may need to reset the SMC on your device are the following:

  • Your MacBook Pro was closed but was still turning on.
  • Your MacBook Pro gets very hot.

Hope that was helpful! Please comment if you have any questions or comments about this post.

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Well I just did a hardware test and the mac came back with an error code 3403D. Does this help??

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I found a solution,!

At least for my MacBook Pro (15-inch, Early 2011)

Visit and install the software developed by gfxCardStatus. Is free and open-source.

Here is the link:

https://gfx.io/

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Colton さん、ありがとうございました!
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