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- #REINSTALL MAC OS HOW TO#
- #REINSTALL MAC OS MAC OS#
- #REINSTALL MAC OS INSTALL#
- #REINSTALL MAC OS UPDATE#
- #REINSTALL MAC OS SOFTWARE#
Questions?Īny questions about performing a clean install? Let us know below in the comments.
#REINSTALL MAC OS SOFTWARE#
Agree to the software terms and conditions.Īre you in the market for a new MacBook? Check out our favorites for the year.The steps are the same as the one above, except the command is different. All modern Mac computers contain two different methods to reinstall the operating system (by reinstall, we mean installing a new OS X version).
#REINSTALL MAC OS HOW TO#
Another way to do this is to let macOS automatically set the time and date for your machine. How to Access and Use the Internet Recovery Mode on Mac Computers When built-in tools or software-based solutions do not work, the most efficient solution is reinstalling the operating system.
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Some rightfully believe that reinstalling such Mac could easily fix the issue. One common reason is erratic operation of the Mac's OS.
![reinstall mac os reinstall mac os](https://i.stack.imgur.com/iWsY1.jpg)
There are several reasons while one may attempt to reinstall a Mac. When prompted, type your administrator password and press Return again. It means to get rid of the current OS on the mac with all the files left on it (after creating a backup of important files of course). After typing the command: Press Return to enter the command.
#REINSTALL MAC OS MAC OS#
If your Mac is using HFS+, select Mac OS Extended (Journaled) from the format list.Enter a name for the file to be destroyed (Like macOS Mojave or something).Click on Disk Utility in the OS X Utilities selector.Ĭlick on the Erase tab at the top of the window.Ensure that you follow the onscreen instructions. Hold down Command-R when you hear the startup chime (or the screen turns black on newer Macs) and keep holding the keys until your computer reboots. It is always advisable to reinstall the operating system after you erase and factory reset your Mac on macOS 10.15, especially if you are giving it away.Connect your Mac to the internet via Wi-Fi or Ethernet.How to create a bootable installer for macOS Big Sur.You may need to enter your Mac’s administrator password to unlock your disk or choose an installation destination for macOSchoose Macintosh HD.
#REINSTALL MAC OS INSTALL#
If you don't create a bootable drive for macOS Big Sur, you may have to install an older Mac operating system first and then upgrade to macOS Big Sur afterward. If you don’t want to erase your Mac, go ahead and click the Reinstall macOS option, then follow the onscreen prompts to download and reinstall the operating system. To begin installation, select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions. You'll need a copy of macOS Big Sur to perform a clean install later on. Reinstall macOS Reinstalling macOS does not remove data from your Mac. If you have ever installed that version on your Mac, no matter what version (or no version) is currently installed, you have these options.Step 2: Create a bootable drive of macOS Big Surīefore you erase your current operating system, download macOS Big Sur from the Mac App Store. However, you have other keystroke options depending on which version was previously installed.Īpple changed the start keys with macOS Sierra version 10.12.4. (If your main macOS partition had system files become damaged or missing, your other files will remain intact, as this reinstallation only installs and replaces system files and apps.)Ĭommand-R should reinstall the latest version of macOS that you had previously installed on this computer. When complete, it should reinstall macOS Recovery and reinstall macOS on the main partition. You should then be prompted to connect to a Wi-Fi network, and you enter a password.Īt this point, the Mac should start to download the recovery files from the internet and show a status bar. The Mac should recognize that there’s no macOS Recovery partition installed, show a spinning globe. First, you have to start by cleaning up the junk file of your Mac.
#REINSTALL MAC OS UPDATE#
Start up your Mac from a shut down state or restart it, then immediately hold down Command-R. This guide article shows you how to update and reinstall the macOS Sierra without losing data.