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

Question

MacBook Pro 13" Unibody versione metà 2010

Modello metà 2010, A1278 / processore Core Duo 2,4 o 2,66 GHz

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Colton @astro_turf

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Postato: 9 nov 2018

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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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mayer @mayer Rep: 685,3k MacHale Enterprises 3,4k 1,1k 2,6k · Answer 1 · 2018-11-10T08:28:08-07:00

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mayer @mayer

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Postato: 10 nov 2018

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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 Heat Sink Replacement

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??

10 nov 2018 da Colton

@astro_turf that usually means the test is to old

10 nov 2018 da mayer

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...

10 nov 2018 da mayer

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*

10 nov 2018 da Colton

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

10 nov 2018 da mayer

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mikeyd123 @mikeyd123 Rep: 789 8 3 1 · Answer 2 · 2018-11-10T08:14:34-07:00

mikeyd123 @mikeyd123

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Postato: 10 nov 2018

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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: