Chosen Solution

This MacBook Air will not start and makes no noise at all. The screen remains dark.The charge light turns green, then turned amber. After a full charge it remains green. I reset the SMC. I tried another charger. I removed the battery cable and tried to start it with the battery cable removed. No joy… It has no known water damage. Any suggestions?

Unplug the battery and mag-safe. Press and hold the power on button for ten seconds. Reconnect the battery and mag-safe and you should get a spontaneous reboot.