I’m a novice when it comes to laptop repair. I have an Early 2015 MB Air that I know needs a new logic board (based on diagnosis by 2 separate shops). When it comes to purchasing a replacement board, do I have to match the same processor speed and RAM as currently in the device? Or can I use this opportunity to upgrade speed and RAM?
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You are limited to the logic boards the system series offered. So in this case the best you can go to is this: 13” MacBook Air 2015/2017 2.2 GHz i7 with 8 GB of RAM, Apple P/N 661-02394 and here’s the guide MacBook Air 13" Early 2015 Logic Board Replacement
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