Black screen

Based on your situation, 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. 📝
• Live chat using Messages. 💬

Click ▶︎ Check Repair Status. 🔧

Black Screen Said:

"Black screen: Hi, I have an imac 27 incl (2010 or 2011) and tonight it turns black. Tried a few tips found on Internet. They don't work. Do you have any idea? Thank you."

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Troubleshooting a Black Mac Screen:

Go Here: If your Mac doesn't Turn On or Start Up - Apple Support

Using External Devices: Try Resetting the SMC and NVRAM, but this time, using an external keyboard. Connect an external monitor and see if you get an output. This applies to Intel-Based Macs only.