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How to find MacBook Pro Logic Board Part Number

I want to replace my logic board on my macbook pro Model Number A1278, Late 2011.

The board I want to replace has a number EMC 2555. I don´t know what this number is for. How do i find the correct apple part number. Where is and where is the MPN number located. I notice vendors on E-Bay use this number

I have another logic board it is a macbook pro model number a1278, late 2011, but is a EMC No. 2554.

Unfortunately, this board does not allow the display data cable to plug in.

Is EMC No. all I need to buy a logic board.

Thank You

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We can give you the correct machine by using your serial number, then give you the correct part number.

Using the EMC number, your machine is one of these two: http://www.everymac.com/ultimate-mac-loo...

MacBook Pro "Core i5" 2.4 13" Late 2011 2.4 GHz Core i5 (I5-2435M)

Intro Date: October 24, 2011 Disc Date: June 11, 2012

Order No: MD313LL/A Model No: A1278 (EMC 2555*)

Subfamily: Late 2011 13" Model ID: MacBookPro8,1

Std RAM: 4 GB Std VRAM: 384 MB

Std Storage: 500 GB (5400 RPM) Std Optical: 8X DL "SuperDrive"

Complete MacBook Pro "Core i5" 2.4 13" Late 2011 Specs

MacBook Pro "Core i7" 2.8 13" Late 2011 2.8 GHz Core i7 (I7-2640M)

Intro Date: October 24, 2011 Disc Date: June 11, 2012

Order No: MD314LL/A Model No: A1278 (EMC 2555*)

Subfamily: Late 2011 13" Model ID: MacBookPro8,1

Std RAM: 4 GB Std VRAM: 384 MB

Std Storage: 750 GB (5400 RPM) Std Optica

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Tony Tone, may be "mumbo jumbo" to you. Using the information that was provided you can clearly identify that the logic board number is 820-2936-B and Apple part number is 661-6159 for 2.8GHZ and 661-6158 2.4GHz. Pretty useful mumbo jumbo, don't you think?

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Hi oldturkey,

where did you find the logic board number in the info above?

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julianbugeja please explain the down vote so the error can be corrected.

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