The logic board was removed with the MagSafe board and microphone attached to it. Start separating the logic board from the palmrest assembly. Remove all screws securing the logic board and MagSafe board (power connector board). Most likely it will not come out clean and some sticky tape and cushion rubber will remain attached to the cover but that’s OK. Using a sharp object carefully unglue the microphone from the palmrest assembly. You might easily damage the microphone cable connector during this procedure. It’s possible to lift up the logic board, unplug the microphone cable, unroute the cable and remove the logic board without separating the microphone from the logic board BUT… it will be very difficult to install the logic board back into the laptop and connect the microphone cable. In this MacBook Pro the microphone is glued to the palmrest assembly.
Remove the display cable retaining bracket. Remove three screws securing the silver grounding plate and display cable retainer. The retainer will open up at a 90 degree angle.Īfter both connectors unlocked, you can pull cables from the connectors. Lift up the retainer with your fingernail. You have to be very careful with the keyboard and backlight connectors. Simply lift up the connector and unplug it from the logic board. Lift up the metal retainer securing the connector and disconnect the cable from the logic board by the black tab.Ĭonnectors 1, 3, 4, 5, 6 and 9 disconnect the same way. Here’s how to disconnect the display video cable connector. I will show how to disconnect them in the following steps. Once downloaded, double-click the installer app in the Applications folder to begin the upgrade.Now we’ll have to disconnect all other cables from the logic board. ✅ - Using Safari only, download the macOS upgrade installer app: 🖥 – Check compatibility of your Mac with newer versions of macOS. Learn How to Back up your Mac with Time Machine: ❗️ – IMPORTANT – Backup your data, now, before you attempt an upgrade. The macOS version you can upgrade to depends on the year your Mac was released.Ĭlick the (Apple) menu at the top left of your screen and choose About This Mac.
To be clear, software update generally means to install software to update the macOS currently running on the Mac update Catalina 10.15.1 to Catalina 10.15.7, for example.Ī software upgrade is usually a generational step up to a newer macOS upgrade from 10.13 High Sierra to 10.14 Mojave, for example, or from 10.15 Catalina to macOS 11 Big Sur. Do NOT upgrade until you have made a Time Machine or other backup of your startup drive.
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