I erased my Mac air and trying to reinstall macOS. A folder and question mark are flashing. I followed the instructions on restarting and holding command R. Does nothing. Tried several times and flashing folder/question mark come back.
MacBook Air 13″, macOS 11.2
Try booting with Option-Command-R per > Use macOS Recovery on an Intel-based Mac - Apple Support
Or build yourself a bootable installer on another Mac, and boot from that > How to create a bootable installer for macOS - Apple Support
Try booting with Option-Command-R per > Use macOS Recovery on an Intel-based Mac - Apple Support
Or build yourself a bootable installer on another Mac, and boot from that > How to create a bootable installer for macOS - Apple Support
Folder with question mark
