instal the new for apple R-Drive Image 7.1.7111

you should make sure your MacBook Air is plugged into an Ethernet connection or has a Wifi Network close by that you know the password to.a Wi-Fi menu will appear.click the menu to display available wifi networks, then select one to connect to.

For Internet Recovery, after you have done the reset of the smc/pmu and maybe zapped pram 3-4 times on startup, hold down the Command (Apple)+ keys together on the keyboard.immediately after hearing the startup chime.hold them all down until you see an animated globe on the screen which should be black and white and it should say 'Starting Internet Recovery.This may take a While'. Maybe II can help you.Your MacBook Air Does support Internet Recovery, and re-installing of the OS from a properly formatted bootable USB Drive. You can also see if an Apple Store or an Apple Authorized Service Provider will create a bootable macOS USB installer for you. We cannot help you if you don't provide us exact details when something doesn't work as intended. We can assist in creating a bootable USB installer. Either cut & paste the contents of the Terminal window or post a screenshot. If the error occurs when using the Terminal, then make sure to post both the exact command used and the exact error message. If there are any errors when creating a bootable macOS USB installer, then please at what step you encounter a problem and post the exact error message. If there are no errors when creating the bootable macOS USB installer, then try using another SSD (especially another brand) since the quality of USB sticks is extremely poor plus Macs are very picky about the drives used for booting. Make sure to carefully read the instructions and keep in mind if you are creating a macOS 10.11 installer, then there are several extra steps you need to perform before you use the Terminal command.

You will need access to another Mac which is capable of running macOS 10.11 to 10.15.

The only reliable way of creating a bootable macOS USB installer is by using the instructions in the Apple article I linked previously.

Instal the new for apple R-Drive Image 7.1.7111