

Select your new drive from the list of devices on the left.Ĭhoose the number of partitions you'd like for the device from the Partition layout dropdown, name the partition, and ensure its format is Mac OS Extended (Journaled). When prompted, select your Wi-Fi network from the list of available networks and enter its access password.Ĭhoose Disk Utility from the Mac OS X Utilities screen. One you've installed your new new hard drive, power on your Mac and immediately press and hold Command+Option+R until your device begins booting into Internet Recovery. You will need a Wi-Fi connection in order to proceed. These are instructions on how to install macOS on a new hard drive without a USB install key or install CD.
