When we experienced this problem we connected our Mac to the hub via an Ethernet cable (you may need an adapter, such as this If you have accessed Internet Recovery mode it might be a very slow process depending on your connection speed. Click Reinstall macOS and follow the installation process.Wait for the MacOS Utilities screen to appear.The message will be replaced with a progress bar.Hold down those keys until you a spinning globe and the message “Starting Internet Recovery.(On some Mac keyboards the Option key will be named Alt). Hold down Command-Option/Alt-R and press the Power button.
Here is how to use macOS Internet Recovery: Newer Macs are able to boot directly from an internet connection, even with no Recovery partition available.
The first approach is to use a feature called Internet Recovery. Here’s what to do if you haven’t got a recovery partition on your Mac and need to reinstall macOS (in fact, even if you don’t need to reinstall macOS you probably should, because a missing Recovery Partition is not a good sign). Note that if your Mac has a T2 chip there may be a simple reason why Command + R isn’t working for you.
Once you enter this mode you will be able to access an Apple server to download the version of macOS.
The keyboard might be faulty or your Mac may not connect to it via Bluetooth – in which case, try using another – we suggest one that plugs in directly.
If your Mac is running a version of macOS older than Sierra (which launched in 2016) then you won’t have all the Recovery options available that you may have heard of.We’ll look at what to do in that case later.
New ways to do things on M1 Macs, but we’ll also discuss it below. If that sounds like you there is a new way to enter Recovery on an M1 Mac.