First, I connected the new disk to the Mac via USB, and with the help of Carbon Copy Cloner, I created a perfect copy of the old disk, which was still inside the computer. Then, after many layers and countless screws (pictures below), I finally reached the disk and replaced it.
The operation took me a good number of hours, and despite the flawless boot, the sleep and wake function was not working when closing and opening the lid. It took me a while to figure it out, but the culprit was one of the magnets not being correctly aligned. Here we go again. To get there, I had to take off some layers and screws one more time.
The next problem on the list was the Wi-Fi not working. I checked the Airport Extreme card, which is easily accessible below the keyboard, and everything looked fine. After several hours of troubleshooting the operating system without any success, I realized how late it was and went to bed.
By the way, when you feel stuck, it’s a good idea to take a break or switch to a different project. It always works for me, at least.
The Next Day
I’m not going to lie to you. Throughout the day at work, I wondered what could be wrong with my computer. If everything was fine with the operating system, maybe I have damaged the Wi-Fi card.
Back at home, I decided to check the card again, and when I touched it, I noticed that the antenna cable connector was not completely pushed in. The moment I pressed it and heard the click, I knew the Wi-Fi would be fine.
Wow, what a mission!
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