Internet Recovery has a number of useful applications. This guide will show you how to use Internet Recovery to install a fresh copy of macOS to a blank or corrupted SSD.
Internet Recovery is only available on Apple computers made after 2009. If your computer was released in 2010 or 2011, you may need to update to the latest version of macOS to enable Internet Recovery.
Step 1 How to Start Up a Mac in Internet Recovery Mode
Shut down the computer.
Once the computer is completely shut down, press the power button, then immediately press and hold the key combination cmd + option + R
When the spinning globe animation appears, you can release the keys.
The globe will spin while Internet Recovery starts up. If you are not using a wired internet connection, a choose network prompt will appear. Use this menu to connect the computer to a WiFi network.
When Internet Recovery has loaded, you will see the macOS recovery screen.
Step 6 How to use Internet Recovery to install macOS to a new SSD
Open Disk Utility from the recovery menu, select your drive, and click the Erase button toward the top of the Disk Utility window.
Make up a name for your drive, and make sure the format is set to Mac OS Extended (Journaled) or APFS.
Once the new drive is formatted, press Command + Q to exit Disk Utility and return to the recovery menu.
Back at the recovery menu, select Install macOS .
Follow the prompts to install macOS, selecting the newly formatted disk as the target for the installation.