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2.5 GHz dual-core Intel Core i5 processor (Turbo Boost up to 3.1 GHz) with 3 MB shared L3 cache.

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MacBook Pro10,2 upgraded logic board

I updated the logic board from an EMC 2557 from late 2012 to an EMC 2672 from early 2013. Since they are both A1425 models, I had read they would be compatible. Are they? It’s working fine except my wifi is showing "No Hardware Installed". I tried resetting NVRAM and SMC to no avail. I can't boot in recovery mode to reinstall the OS without getting the -1005F error code. I also am unable to log into iCloud on the computer. It say's "You cannot sign in to iCloud because there was a problem verifying the identity of this Mac. Try restarting your Mac and signing in again." Could this be due to the upgrade? Is there any way around it, or do I need to get an EMC 2557 logic board?

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Let’s see if we can unwind things a bit…

If your system and the replacement logic board is within this group MacBookPro10,2 Then it is compatible and can be swapped over. The key is the ID string not the EMC numbers.

Whats more likely the issue here is the replacement logic boards firmware (EFI chip) was hacked or still linked to someone else’s iCloud account, which is why iCloud connection is not working. If you have a second system you should see all of your iCloud devices listed (excluding this one) as it can’t register its self to your iCloud account.

Time to get another logic board.

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Thanks for the guidance! Reinstalling the OS won’t help?

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@Schneider Family - Give it a try if you want. Your previous question had aimed you that way so I things you had already tried. Besides the few times I've seen this the logic board was defective.

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Schneider Family будет вечно благодарен.
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