As you click on Reinstall macOS, choose the disk on which you wish to install High Sierra and then the installation will start downloading the necessary files. You can now erase your disk and then reinstall the OS from scratch.ĥ. Once the recovery is done downloading the necessary files, you be presented with the macOS High Sierra installer. Why is this important? So that your microwave or anything else does not interfere with the download process if in use.Ĥ. If you have a single SSID for both, then I would recommend moving closer to your router so that you are assigned the 5GHz network.
Just a quick tip: if you have separate SSID's for 2.4 and 5GHz networks, then connect to the latter. If you are asked to enter your WiFi's password, then please do so at this point. If you press Command+R only then it will start downloading files for the OS which originally shipped with your Mac.ģ. Important note: Please make sure you press the key combination correctly. Don't let go until you see the Apple logo loading screen or a spinning globe. Now turn it back on while holding down the Command+Option+R key combination. Also, backup everything, including your photos, videos, documents to a safe and secure location before proceeding.Ģ. The latest version of macOS High Sierra spans around 4GB or more therefore it will take some time to download if you have a slow connection at hand. Note: This explicitly requires an Internet connection without which this method won't work. So, in today's guide we will show you how you can install the latest and greatest version of macOS High Sierra via Internet Recovery, and it does not require any USB installers or anything else fancy.
So, if your Mac originally shipped with Snow Leopard, then that is what will be installed even if the latest supported version is macOS High Sierra. The problem with the latter is that it will install a version of macOS that originally shipped with your notebook or desktop out of the box.
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