My Mac book air won’t turn on

Follow these steps, testing after each step:

• Mac Startup Options.
• Mac Startup Methods.

If that didn’t help, then I recommend service.

Service Checklist:

• Mac service pricing.
• Check AppleCare Coverage.
• Get your Mac ready for service.

Click ▶︎ Start a Service Request. ⚛️

Need more help?

• Call Apple Support at 1-800-APLCARE. 📞
• International Support. 🌐
• Contact Apple Support. 📝
• Chat using Messages. 💬

Click ▶︎ Check Repair Status. 🔧

If your Mac doesn't turn on - Apple Support

Read and follow all those steps.