The fundamental problem is MacBook Air does not turn on. It absolutely stocks on the startup. Here are some fundamental recommendations which you can do at home.
Check your charger’s cable
MacBook won’t boot? it’s better to start it in a safe mode.
Plug the special power cycle
Diagnose with SMC
Check with Recovery Mode from Disk Utility
Check your display
Reset the PRAM?NVRAM
Check the file system