There are instances that this is the most effective solution once that your Mac won’t turn on or if crashes. The Safe mode actually helps you in limiting your Mac to its very basic function while you are on the process of recovering it. Solution #3: If MacBook Air Won’t Boot, Then Start it in Safe Mode Another thing is that you should check on the AC power socket and see to it that it is working. Make sure that it is intact and that its connections are actually in place. If the first solution does not work and that your MacBook Air is really not turning on, then to check for its charger cable carefully. Solution #2: Check On Your Charger’s Cable Wire If none of these signs are not appearing on your Mac when you try to turn it on, then go ahead and proceed with the next steps. Try to press the Caps Lock key and see if there is light on it.If your Mac has a backlight keyboard, then you will be able to see it light up.If your Mac actually has an LED indicator, then try to check if it is lit.Try to see if you can hear a startup chime.
After that, go ahead and look for any signs that your Mac is turning on even if your screen is still dark. So, for you to check on this, go ahead and press the power button on your Mac. There is a chance that your Mac is actually turned On but it does not display anything on your screen. Solution #1: Check Out For Any Display Issues Here is some basic troubleshooting that you should do first before doing anything else on your Mac. Part 2: Solutions to Solve MacBook Air That Won’t Turn On Broken Hard Disk Permission – this means that there might be some conflicts on your user account.