For Intel Processor Macs: Press the Power button then immediately press and hold the Cmd + R keys while your Mac starts powering on.Click the Options button, which looks like a gear, then choose to Continue. For Apple Silicon Macs: Press and hold the Power button to turn on your Mac, then keep holding it down until a Startup Options window appears.When your Mac has finished shutting down, follow the steps below for your processor type to boot into macOS Recovery: When you’re ready, go to Apple > Shut Down and wait for your Mac to power off. If you haven’t already done so, now is the time to back up your Mac to protect your data. Now it’s time to boot your Mac into macOS Recovery. If it says Chip, followed by a chip name, then your Mac uses Apple silicon.Īnd if it says Processor, followed by a processor name, then your Mac uses Intel. In the About This Mac window, you should see the specifications for your Mac. To do this, boot up your Mac and go to Apple > About This Mac from the top-left corner of the menu bar. So the first step is to find out if your Mac has an Apple silicon chip inside it, like the redesigned M1 iMac, or if it uses a traditional Intel processor. You need to boot your Mac into macOS Recovery, but the way you do this differs based on the processor in your Mac. Step 1: Find Out If Your Mac Uses Apple Silicon or Intel Processors
This method reinstalls the current version of the macOS on your computer jump to the end of the article to learn how to reinstall different versions of macOS instead. When you’re ready, follow the steps below for reinstall macOS on your Mac. Everything else is already in your Mac in the form of macOS Recovery, a special mode you can boot into.Ī secure internet connection just means your Wi-Fi needs to be protected by a WEP or WPA password, which most people’s home Wi-Fi networks are.Īs for how long it will take, that depends on a variety of factors but could be anywhere from 30 minutes to several hours, and you won’t be able to use your Mac during this time. To reinstall macOS, all you need is a secure internet connection and a fair bit of time. Follow our guide on how to wipe a Mac to sell it for detailed instructions, though we’ll also point out what to do in this guide as well. If you need to erase all the data on your Mac in order to give it away or sell it, you need to use Disk Utility to erase your hard drive before reinstalling macOS. However, it’s still a fairly major procedure to put your Mac through so we strongly suggest you back up your Mac before reinstalling macOS. That means your photos, music, documents, emails, and everything else should still be in place after reinstalling macOS. There’s no guarantee, but reinstalling macOS shouldn’t delete any content from your Mac.
However, we’ll also show you how to reinstall the original version of macOS that came with your Mac or how to update to the latest compatible version as well. Typically, when reinstalling macOS doesn’t change the version of macOS running on your Mac it just installs that version again from scratch.
This is an excellent way to fix software bugs as the errors that caused those bugs get rewritten with clean code in the process. Reinstalling macOS rewrites every line of code for the operating system on your Mac. How To Install the Latest Compatible Version of macOS.How To Install the Original Version of macOS.
Peripherals → Super IO Configuration → Serial Port : Disabled
Peripherals → Initial Display Output : IGFX or PCIe 1 Slot : Advanced Memory Settings → Extreme Memory Profile(X.M.P.) : Profile1īIOS → LAN PXE Boot Option ROM : DisabledīIOS → Storage Boot Option Control : UEFI
MacOs Big Sur 11.0.1 on a Windows Pc Without Mac || No Virtual Machine