![]() Step 3: Follow the prompting on the screen to select the specific hard drive that you want to install the Operating System. The steps below will guide you through the process in detail. You can easily reinstall macOS without losing any data irrespective of the reason why you want to launch the process in the first place. This will make it possible to reinstall the macOS, erase or repair disks, restore files from Time Machine, and much more. When you want to reinstall macOS without losing files, the best option is to go through macOS recovery mode. When you are sure that your data has been backed up, you can start the reinstallation process. ![]() It is recommended that you back up your data on an external hard drive to avoid unexpected problems or system update failure. Ensure that your data are backed up and you can also generate backups for your current Mac data on Time Machine.Check to see that your Mac Apps have been updated to the latest versions.Make sure that your Mac is connected to a reliable WiFi connection.Ensure that your computer’s battery life is at a minimum of 45% before you launch the installation process.Make sure you have a minimum of 8.8GB storage space and 2GB memory on your system.The tips highlighted below will help you prepare for a smooth reinstallation process. You must ensure that nothing will stop the reinstallation halfway as this can disrupt the optimal performance of your system. Prep Work: What to do before Reinstalling macOSīefore you reinstall macOS on your system, you must have everything in place. In this post, we will share steps that you can follow to install new macOS without losing data. However, you don’t have to worry about this. Whether you want to reinstall the latest Mojave or Catalina, the fear of losing data is real. Some of the other reasons why you may require macOS reinstallation include a system crash or slow performance of your Mac. However, before going into the details, you must understand that there are other reasons why you may need to reinstall macOS other than the release of a new update. So, how can I reinstall macOS without erasing data? This is the focus of this article. Want to change the username on your Mac? Here’s how to do that.ĭonated your own Mac but looking to run macOS on a PC? Be sure to check out our guide to installing macOS on a PC (aka a Hackintosh).įor more ways to improve your device, read our How to speed up a slow Mac guide, plus here’s: How to find a password on a Mac.Updated to macOS Data Recovery Tips by William on | Approved by Cesar CĪ new macOS update will require that you reinstall macOS and sometimes you may lose data in the process. Once macOS is installed, why not check out our list of the best free Mac apps to make the most of your new (old) machine. If that still doesn’t work then use the USB boot drive. If your Mac isn’t connecting to the Internet to download macOS, click the Wi-Fi menu in the upper-right corner of the screen, select the Wi-Fi network and enter your Wi-Fi password. Enter your Apple ID if required and wait while macOS is reinstalled.Select Reinstall macOS in Disk Utilities.You should be able to install macOS via the internet, but you may prefer to use the USB drive you prepared with the installer for macOS earlier (which could be faster). The process, again, depends on whether you have an Intel-powered Mac, or one with Apple silicon (an M1, M2 or later). You now need to reinstall macOS via Recovery. We run through how to reinstall macOS, separately, but we’ll explain the steps below. The macOS Utilities screen will show a series of options.Įrasing the drive can take a few minutes, but once it’s done head back to the macOS Utilities menu and select Reinstall macOS. ![]() Turn it on again while holding the Command and R keys simultaneously until you see the Apple logo or hear a chime.Eventually you will be able to select Options > Continue and this will open up Recovery, as per the image below (please excuse the quality when it’s not possible to screenshot!).Eventually the Apple logo will appear with text below it informing that if you continue holding the power button you will be able to access startup options. ![]()
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