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Logic Board replacement question

J

jon08

macrumors 68000
Original poster
I have a late-2011 MBP with a faulty GPU and I’m considering getting a used logic board to replace the current logic board with the faulty GPU. That way I’d hopefully sell my MBP off easier...

Does the replacement logic board *have* to be for the exact same model (i.e. late-2011 with 512MB GPU), or could it also be, say, early-2011 logic board with a 1GB GPU?
 
jon08 said:
Does the replacement logic board *have* to be for the exact same model (i.e. late-2011 with 512MB GPU), or could it also be, say, early-2011 logic board with a 1GB GPU?
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Generally yes, because from generation to generation there is enough changes to the logic board that you will not fit it into the case, and/or have everything lined up.
 
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maflynn said:
Generally yes, because from generation to generation there is enough changes to the logic board that you will not fit it into the case, and/or have everything lined up.
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I’m currently considering a rather inexpensive 2nd hand logic board that was sent to the seller as a replacement for early-2011 MBP with 1GB GPU.

Would this still work flawlessly on my late-2011 MBP that originally comes with a 512 MB GPU?
 
Just checking, I’m been looking for a motherboard ummm logic board for a iMac g4 this year.
[doublepost=1532388130][/doublepost]
Audit13 said:
Yes, I should have said motherboard instead of logic board.
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If that is today’s term no apology needed!
 
Expobill said:
Just checking, I’m been looking for a motherboard ummm logic board for a iMac g4 this year.
[doublepost=1532388130][/doublepost]
If that is today’s term no apology needed!
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Technically, I think a motherboard is a logic board.

I've heard people use the term interchangeably.
 
Macbookprodude said:
Here is another question.. what about taking the 2011 logic board out and replacing it with a non-retina 2012 ?
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Logicboards change from year to year, their keyboard ribbons might be slimmer and not connect.
Maybe that might work, I guess research until someone here says they did.
 
Expobill said:
Logicboards change from year to year, their keyboard ribbons might be slimmer and not connect.
Maybe that might work, I guess research until someone here says they did.
Click to expand...

I guess what I am trying to do as a last resort before i INSTALL linux on my computer is to see if a 2012 will fit, so i can get Mojave.
 
I have an early 2011 Macbook Pro which died on me six months ago. I was planning on finally replacing it with the new Macbooks but since they turned out not so great I decided to try and resurrect mine.

I followed this guide on basically baking the logic board in the oven for 7 minutes and it worked!

So maybe give it a shot since you're planning on getting a new one anyway? Could save you some money.
 
Hydro150 said:
I have an early 2011 Macbook Pro which died on me six months ago. I was planning on finally replacing it with the new Macbooks but since they turned out not so great I decided to try and resurrect mine.

I followed this guide on basically baking the logic board in the oven for 7 minutes and it worked!

So maybe give it a shot since you're planning on getting a new one anyway? Could save you some money.
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Reflow can be hit or miss, depending on the condition of the board and solder.

The reflow could work for a short or long period of time. Either way, I recommend saving for a replacement.
 
Audit13 said:
Technically, I think a motherboard is a logic board.

I've heard people use the term interchangeably.
Click to expand...
As far as I know the term 'logic board' is used specifically for Mac, while 'motherboard' is used in general (including Macs I guess).
[doublepost=1532419042][/doublepost]So, just to reconfirm:

- if I put an early-2011 1GB GPU logic board to replace my late-2011 512MB GPU logic board it won't be any problem whatsoever?
- but then it will say my MBP is an early-2011 MBP and it will have a different serial number under "About This Mac"?
- anything else I should be aware of?
 
jon08 said:
As far as I know the term 'logic board' is used specifically for Mac, while 'motherboard' is used in general (including Macs I guess).
[doublepost=1532419042][/doublepost]So, just to reconfirm:

- if I put an early-2011 1GB GPU logic board to replace my late-2011 512MB GPU logic board it won't be any problem whatsoever?
- but then it will say my MBP is an early-2011 MBP and it will have a different serial number under "About This Mac"?
- anything else I should be aware of?
Click to expand...

From what I've read on this thread I don't believe anyone on here is confirming any of the above. Seems more like they are saying quite the opposite.
 
MrGimper said:
From what I've read on this thread I don't believe anyone on here is confirming any of the above. Seems more like they are saying quite the opposite.
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From what I gather all 2011 15” models use the same faulty GPUs and logic boards, don’t they?
 
jon08 said:
From what I gather all 2011 15” models use the same faulty GPUs and logic boards, don’t they?
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I don't know, I'll bow to other more knowledgable people. My point is that you seem to think that posts on this thread are confirming your listed points about other mother/logic boards working in your machine, when the posts I've read on here are saying there are likely enough subtle differences for that not to be the case. Therefore no-one is confirming what you listed
 
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