Replaced logic board on MacBook Pro; now I must reauthorize!

I've just synched my iPhone with my MacBook Pro which came back today after having its logic board replaced under the nVidia issue recall program. But I am not that comfortable with the idea that I've now used up 2 of my 5 computers for apps/songs etc.
What can I do? I imagine that I need to inform Apple to de-authorize my previous logic board. But how?

If you weren't able to de-authorize your MBP before sending it in for the logic board to be replaced, I don't believe you can reset or de authorize all currently authorized computers until you reach or authorize 5 computers. You can then do a complete reset or de-authorize all authorized computers followed by re-authorizing the computer you are currently using.

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I would like to replace Logic board on Macbook Pro 15" 2011 2.0Ghz to 2.3Ghz Logic board. Is it possible or not?

hello apple,
i have Macbook 8,2 Quoad core Intel i7 2.0Ghz 2011.
the problem is it not working on startup (startup with blue , gray or black screen)
already go to apple service center, they said i have to replace the new Logic Board 2.0Ghz.
but i would like to replace to 2.3GHz quad-core Intel Core i7 Logic Board.
my question why can not replace 2.3GHz quad-core Intel Core i7.
you know why because it bulit in USB 3 ports (up to 5 Gbps).
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Manthou Khorn

The 2011 MBPs do not have USB 3 Ports.
Check with iFixit.com and Powerbookmedic.com for logic boards for your MBP. They will have prices and installation instructions.
Ciao.

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I'm wondering if iTunes is seeing my MacBook Pro as a new copmputer because it has a new logic board.
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hi
the logic board in my macbook pro retina 15-inch, late 2013 died within warrenty...
is there any way i can see what logic board my old logic board have been replaced with in 'about this mac' (or elsewhere)?
i have a suspicion that my mac is now using battery faster than before! could there be a relation?
regards

If the iPhone works correctly on the other port, then the fault lies within the MBP. Bring it in for service.
Ciao.

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I have MacBook Pro (15-inch, Early 2011), i bought it 2 years ago, and few weeks ago suddenly my mac stop working, so i forced shut down. Then i started to use it again and my mac stop working again (it happende more than 3 times). So, i decided to bring it to the service center. After a week in the assistant diagnose my mac, they said my logic board has broken (failure), but when i asked what's the reason, they only say it had just broken and there's no reason behind that. The only way to fix it is only to replace my logic board with the new one.
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Logic boards can and do fail, it does happen, just as in any other type of device, components break.
Where did you bring it to, a repair shop, or an AppleStore Genius Bar? Are you in the U.S.?
I recently had a LB replaced in the states at an Apple store 2010 15" MBP, I fortunately did have AppleCare so there was no charge. But the work order did have the price it would have cost had I not had AppleCare, it was
Part Logic Board $487.50
Labor $39.00
Plus tax
No where near the $1,000.00 you were quoted, that's why I ask where you brought it to, as well as where you are located. If you are in the States, and it is not an Apple store and some repair shop, run away from them, they are trying to rob you. Try an Apple store if you are in the States, you may also ask about the flat rate repair policy. If you are located elsewhere then I can not speak for the repair price. (Though it does seem high)

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sorry you had to wait so long for a reply, but here goes:
unless you have an extensive knowledge of MacBooks and MacBook repair (and access to the Global Service Exchange, which i doubt you do), i wouldn't even try to replace a logic board. the IT person at my school won't even let me touch a logic board in a functioning computer (i'm 15) even though i've done lots of repairs on computers (including my own).
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sorry about that, but it's the truth.
-MacDarling55

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Hi all,
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If you weren't able to de-authorize your MBP before sending it in for the logic board to be replaced, I don't believe you can reset or de authorize all currently authorized computers until you reach or authorize 5 computers. You can then do a complete reset or de-authorize all authorized computers followed by re-authorizing the computer you are currently using.

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Hard drive sensor or logic board failure.
Try a SMC Reset, only thing I can help.
http://support.apple.com/kb/ht3964
Check your tones with this sounds like it's not recognizing the RAM, perhaps it's not seated well or making a bad connection or it's defective.
http://support.apple.com/kb/ht1547
Take it back. three times a charm

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None of those issues are as prevalent as the board
makes them. Don't believe you will have that
problem. Remember you always have a return policy
at a store to fall back on as well as a warranty.
This board is like a hospital ward. Assume only
people with problems show up here. Based on sales,
Apple has sold several thousand times more notebooks
than the board has people having problems. It is
a skewed view to assume the board's problems are
representative of the population of users as a
whole. Especially when consumer reports calls
Apple's support and machines the best in the
industry.
I consider that a very misleading statement.
First, the majority of users will not recognice an issue unless their computer blows up in their face. That's how many companies get away with faulty products. If it wasn't for message boards ( cudos to Apple for maintaining one ) like this one, many customers would't be made aware of the shortcomings of a product they paid good money for.
Second, Apple's support is far from satisfactory, according to my own experience, and many reports I have seen. It might or might not stand out in the US market, but that is hardly a standard, it's just were the majority of user reports come from.

Replaced logic board on MacBook Pro; now I must reauthorize!

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