Bill’s Mac Repair, 2026 Edition

I wrote about my older MacBook Air having a close encounter with a bottle of water a few months ago, and set it aside while I took care of a bunch of other, more pressing life issues.Now that I’ve got some more free time, I sat down with it yesterday and took the bottom of the case off to chase down a possible solution: the Lid Angle Sensor, a tiny little board in the back corner of the case which, apparently, is a common failure point when water enters the case. From what I was reading online, failure of this part often kills connectivity to the keyboard and trackpad. I got out my tiny Torx screwdriver kit, squinted my middle-aged eyes, and got to work. Removing the board really wasn’t too hard other than trying to keeping tiny, fiddly little screws from launching themselves across the room, and within a few minutes I had it out and on the bench. Putting the case back together, I booted the machine up and was thrilled to find the keyboard was working again. Apart from needing to…

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