Choose that option then navigate to the Time Machine backup to restore data. If you made a Time Machine backup before reinstalling, make sure it’s connected.ĭuring setup, you’ll be asked if you want to transfer data from another Mac or a backup. If you ran a clean installation, you’ll be taken to the Setup Assistant to go through the process of reconfiguring your Mac. Select Install and wait for the installation to complete and your Mac to restart. You’ll be asked to choose the disk you want to install macOS Mojave on, if you down’t see your startup disk, select Show All Disks.ĩ. Click Continue and follow the instructions. When it’s finished, quit Disk Utility to go back to macOS Utilities.Ĩ. Give your disk a name, choose APFS or Mac OS Extended (Journaled), and if Scheme is available, set it to GUID Partition Map.Ħ. Click on Disk Utilities and choose the Erase tab.Ĥ. When the macOS window appears, if you’re not performing a clean installation, skip to step 7.ģ.
Command+R - this will reinstall the version of the OS that was most recently installed on your Mac.Restart your Mac using one of the following keyboard commands: If you’re having trouble with the App Store, or you need to run a clean install, you can do the following.ġ.
The simplest way to install macOS Mojave, and the method that Apple recommends, is to go to the App Store, find Mojave in the Quick Links section on the right hand side of the front page, click it and then follow the instructions to download and install it. Once you’ve backed up your Mac, you’re ready to begin the reinstallation process. If you’re reinstalling because you’re going to sell or give away your Mac, you should sign out of iCloud, iTunes, and iMessage first, then run a clean installation. If you prefer not to use Time Machine, you can use any other backup application, or clone your entire disk. If you plan to run a clean reinstallation, that’s definitely the simplest route. If you use Time Machine to backup to an external disk or a network drive, you can restore all your applications and settings from that backup after you reinstall macOS Mojave. Whichever of the two options you choose, you should back up your Mac first. The latter is more likely to fix problems and help your Mac run faster, but you’ll have to reinstall all your applications and reconfigure all your settings. The other erases your entire startup disk and installs a clean version of Mojave. One installs a new copy of macOS Mojave over the current version and leaves everything else intact.
Give it a go, you can download it for free here, and see how much disk space it can give you back. It can claw back tens of gigabytes of disk space, and improve your Mac’s performance. It scans your Mac for junk files and recommends to delete them safely. The solution is to give your Mac a cleanup. Over time these junk files can hamper the performance of your Mac. These are added when applications are installed, when they’re run, and when applications like Photos, Safari, and iTunes are used. When you install an OS on top of another OS, and then do the same the following year when the next version comes out, your Mac accumulates lots and lots of files that it doesn’t need. Before we get to that, however, it’s worth eliminating one other possible cause of the problems you may be experiencing. However, it’s also possible, given that macOS Mojave is a very new release and still being fine tuned by Apple, that you’ve run into problems and need to reinstall. MacOS Mojave is here and by now you may have installed it and started playing with some of its new features, like the new Continuity Camera that lets you use your iPhone as a scanner on your Mac, or the new Gallery view in Finder, or maybe the new screenshot tools. But to help you do it all by yourself, we’ve gathered our best ideas and solutions below.įeatures described in this article refer to the MacPaw site version of CleanMyMac X. So here's a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article.