Chosen Solution
My MacBook wasn’t turning on but lately I can to know that if I put it in refrigerator then it turns on. But it starts again even when I put it in refrigerator. Then I gave for service. It was charging before giving to the service but after getting it wasn’t charging and asking lot of money… what shall I do please … I want to fix my Mac…
If cooling your system down allows it to work you most likely have a bad battery which is pressing on your keyboard. If you can get it to run long enough see if you can download this gem of an App: CoconuyBattery. It will allow you to see your batteries status and when plugged in your charger. Paste the main screen here for us to see as well. How about fixing your own system? Review this IFIXIT guide: MacBook Air 13" Mid 2013 Battery Replacement. You may also need to replace the trackpad cable.