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Macbook keyboard and trackpad arent working

Your battery maybe the root cause of your loss of your keyboard and trackpad. The battery sits on top of the trackpad cable which not only carries the trackpad signals but also the keyboards

You’ll want to check your battery using this gem of an app CoconutBattery post a snapshot of the main window so we can see your batteries health Adding images to an existing question As far as the cable you’ll need to replace it MacBook Air 13" (Mid 2013-2017) Trackpad Cable and here’s the guide you’ll need to follow MacBook Air 13" Early 2014 Trackpad Replacement you only need to go to Step 6.