Chosen Solution
The first thing, sorry because my language not almost good MacBook Air 13 early 2014 Track pad not working as well be It’s moving directly without using, the problem just appears after using for 15-20 mins . Maybe heating or like that!! I disconnecte the battery and reset, but not solved the problem, also the charger heating, I will change it, but after solve the main problem (maybe because the changer!!) I want replacement it, but I need to make sure
Check the battery for swelling. UPDATE Remove the battery and see if the problem persists. Here’s how: MacBook Air 13" Early 2014 Battery Replacement UPDATE 2 I looked at your video. If the problem persists with the battery out, that’s not the problem. I ran into a similar problem about a year and a half ago. It turned out to be a software issue. Try starting up from your repair partition by holding down the the Option & R key on start up and see if the problem persists. Here is my Q & A and solution on my trackpad problem that may solve your issue: Trackpad Does not Function Properly
