Blinking folder with ? on start up

macattack113 wrote:

Hi there, my macbook pro is showing a blinking folder with a ? on it when i start it up after erasing the external drive and trying to redownload the OS.

external dive? what about your internal drive...(?)

If your Mac starts up to a question mark

If your Mac starts up to a question mark - Apple Support

Try the following:

• Mac Startup Options.
• Mac Startup Methods.

If that does not help, then get expert service and support at the Genius Bar.

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.