Once it’s all prepared, it’s time to clean install OS X. The OS X Installer (downloaded from the App Store).Don’t want to wait? In the menu bar at the top of your screen, a few icons left of the Date & Time, click on the “arrow clock” icon and select “Back Up Now.”.On the right, under the name of the storage device, there are three lines that say, “Oldest backup,” “Latest backup,” and “Next backup.” Your backup should be scheduled within the next 5 minutes.Click “On” on the left-hand side of the screen to turn Time Machine on.Select where you wish to save your files (an external drive works best, Apple Time Capsule is a safe bet).Note: If you don’t do this step, you will not be able to recover files, nor restore anything if something goes wrong. Step 2: Back up your Macīefore you begin to reinstall Mac OS from USB, you should back up your Mac. Once you’ve finished the cleanup, head to the next step. It’ll help you clear out gigabytes of junk that you probably didn’t even realize were there. If you want to clean up more junk on your Mac, go through each of the modules located on the left panel of the app. After all, a newly installed OS X feels better on a clean computer.ĭownload CleanMyMac and then follow the steps:Īnd you’re done. It scans your hard drive for old caches, broken apps, and app leftovers so you can remove all unwanted files in a minute or two. Among those, CleanMyMac 3 is our favorite as it looks most user-friendly of all. There are many nice apps that offer a quick Mac clean up. Next off, do the same steps, but now replace.Īutomatic solution for system junk cleanup Note: Do not remove the folders themselves, just their insides. Go through each of the folders and remove their contents.Type in ~/Library/Caches and click Enter to go open the folder.Click on a Finder window and choose “Go to Folder” in the Go menu.The manual way to remove old user caches: If you don’t want to spend the next 20 minutes on repetitive clicking and typing, jump right to the automatic solution further down. What's more, old caches may interfere with your new Mac OS X installation, so this step is pretty essential.Ĭleaning can be done either manually or using a dedicated app. Having cleaned them up, you may discover around 35 GB of newly created space previously taken by junk. Whatever OS X you are currently on, system junk and outdated cache files are a potential source for software conflicts. ![]() Step 1: Clean system junk on your current Mac OS X We’ve got the steps outlined below, so let’s get to it. And finally, after doing a backup, you can clean install OS X of your choice from USB. Once it’s all cleaned up, the next you should do is backup your newly cleaned Mac. First, you should clean up your Mac from the old baggage - system files that have piled up over time. To clean install Mac OS from USB, there are three things you should do. So if you’re looking to give your Mac a fresh start with just a classic Mac OS X and nothing else, to clean install Mac OS from USB is the best option for you. There are so many things you can do with past OS X - like Lion, Mavericks or Yosemite - each one of these operates flawlessly. Those who still rely on older Mac OS X operating systems, know these still are going strong. 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. If you're using a Mac notebook computer, plug it into AC power.So here's a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article. ![]() It takes time to download and install OS X, so make sure that you have a reliable Internet connection. Time Machine makes it simple, and other backup methods are also available. If your Mac isn't compatible with OS X El Capitan, the installer will let you know.īefore installing any upgrade, it’s a good idea to back up your Mac. To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . Mac Pro introduced in early 2008 or later Mac mini introduced in early 2009 or later MacBook Pro introduced in mid 2007 or later MacBook Air introduced in late 2008 or later MacBook introduced in 2009 or later, plus MacBook (13-inch, Aluminum, Late 2008) Your Mac also needs at least 2GB of memory and 8.8GB of available storage space. You can upgrade to OS X El Capitan from OS X Snow Leopard or later on any of the following Mac models. OS X El Capitan remains available for Mac computers that can't upgrade to macOS Catalina, Mojave, High Sierra, or Sierra, or that need to upgrade to El Capitan first.
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