If OS X El Capitan came preinstalled on your new Mac, you’ll probably never need this article until you decide to sell it. At that time, it’s a good idea to erase the disk and install a fresh copy of OS X for the next owner.
If you’re thinking about reinstalling because something has gone wrong with your Mac, know that an OS X reinstallation should be your last resort. If nothing else fixes your Mac, reinstalling OS X could well be your final option before invasive surgery (that is, trundling your Mac to a repair shop). You don’t want to reinstall OS X if something easier can correct the problem. So if you have to do a reinstallation, realize that this is more or less your last hope (this side of the dreaded screwdriver, anyway).
In this article, you discover all you need to know to install or reinstall OS X, if you should have to.Reinstalling is a hassle because although you won’t lose the contents of your Home folder, applications you’ve installed, or the stuff in your Documents folder (unless something goes horribly wrong or you have to reformat your hard drive), you might lose the settings for some System Preferences, which means you’ll have to manually reconfigure those panes after you reinstall.
Dec 19, 2006 Reinstalling OS X is generally safe, it will not eat your files. Email, browsers, etc are all held safe and sound. Now, having said that, I will deny having said that in a court of law! Make a backup of your important stuff. Do that even if you don't reinstall the system. Dec 26, 2017 Step Three: Reinstall macOS. With your information wipe complete, you are now ready to reinstall macOS. If you booted from a functioning recovery partition, click the “Reinstall macOS” button. The installation process will begin. If you booted from an. Mar 12, 2020 After creating the bootable installer, follow these steps to use it. Plug the bootable installer into a compatible Mac.; Use Startup Manager or Startup Disk preferences to select the bootable installer as the startup disk, then start up from it. There are a few reasons why you might want to reinstall macOS (or even Mac OS X). Perhaps your Mac is working erratically and you think that a clean install of the operating system might fix the. Reinstall macOS. On your Mac, choose Apple menu Restart. Immediately as your Mac restarts, do one of the following: Install the latest version of macOS from the internet: Press and hold Option-Command-R until a spinning globe appears, then release the keys. Reinstall your computer’s.
And you might have to reinstall drivers for third-party hardware such as mice, keyboards, printers, tablets, and the like. Finally, you might have to reregister or reinstall some of your software.
It’s not the end of the world, but it’s almost always inconvenient. That said, reinstalling OS X almost always corrects all but the most horrifying and malignant of problems. The process in El Capitan is (compared with root-canal work, income taxes, or previous versions of OS X) relatively painless.
How to install (or reinstall) OS X
In theory, you should have to install El Capitan only once, or never if your Mac came with El Capitan preinstalled. And in a perfect world, that would be the case. But you might find occasion to install, reinstall, or use it to upgrade, such as
The following instructions do triple duty: Of course they’re what you do to install OS X for the first time on a Mac or a freshly formatted hard or solid-state disk. But they’re also what you do if something really bad happens to the copy of OS X that you boot your Mac from, or if the version of OS X on your Mac is earlier than 10.10 El Capitan. In other words, these instructions describe the process for installing, reinstalling, or upgrading OS X El Capitan.
You must have Internet access to complete this procedure.
If you’ve never had El Capitan on this Mac, the first thing to do is visit the Mac App Store, download El Capitan (it’s free), and install it. Once you’ve done that, here’s how to install, reinstall, or upgrade to El Capitan, step by step:
If you were reinstalling El Capitan on the hard disk that it was originally installed on, or upgrading from Mavericks, you’re done now. Your Mac will reboot, and in a few moments you can begin using your new, freshly installed (and ideally trouble-free) copy of OS X El Capitan.
If, on the other hand, you’re installing El Capitan on a hard disk for the first time, you still have one last step to complete. After your Mac reboots, the Setup Assistant window appears.
Getting set up with the Setup Assistant
Assuming that your installation process goes well and your Mac restarts itself, the next thing you should see (and hear) is a short, colorful movie that ends by transforming into the first Setup Assistant screen (Apple Assistants such as this are like wizards in Windows, only smarter), fetchingly named Welcome.
To tiptoe through the Setup Assistant, follow these steps:
And that’s all there is to it. You’re done.
Step 4: Reinstall a clean Mac operating system
The procedure is as follows:
Select your startup drive on the left (typically Macintosh HD), switch to the Erase tab and choose Mac OS Extended (Journaled) from the Format drop-down menu. Select Erase and then confirm your choice. Quit out of the Disk Utility app, and this time choose Reinstall OS X and Continue.Nothing works? Reinstall OS X
How to restore your hard drive from a Time Machine backup
Boot from one of those, and you simply wipe the FileVault drive. You’ll need to reinstall macOS entirely on that drive to wipe out the Recovery Disk settings. Use Internet Recovery. At startup, hold down Command-Option-R, and you can select Reinstall macOS.
How do I do a clean install of OSX?
So, let us begin.
How do I restore my Mac to High Sierra?
Click on the Apple menu and choose Restart. Hold down Command+Option+Shift+R to boot into recovery mode. Note, you can also boot into Recovery mode by pressing Command+R. However, adding Option+Shift will allow you to reinstall High Sierra, if your Mac came with it installed.
How do I reinstall IOS on my Mac?
How to install a fresh copy of OS X on your Mac
How do I do a fresh install of OSX?
Install macOS on your startup disk drive
How do I reinstall OSX Sierra?
It is the easiest way to install a fresh copy of an operating system.
How long does it take to reinstall Mac OS?
Depends on what kind of Mac you have and method of install. Typically, if you have a stock 5400 rpm drive, it takes about 30 – 45 minutes using a USB installer. If you are using the internet recovery route, it can take over an hour, depending on speed of internet etc.
How do you restore a Mac to factory settings?
Step-by-step Guide to Reset Mac to Factory Settings
Does reinstalling macOS delete everything?
Technically speaking, simple reinstalling macOS won’t erase your disk either delete files. You probably don’t need to erase, unless you’re selling or giving away your Mac or having an issue that requires you to wipe.
How do you restore a Mac?
How to restore your Mac from a local backup
How do I reinstall Mac from scratch?
Choose Reinstall macOS (or Reinstall OS X) from the Utilities window. Click Continue, then follow the onscreen instructions to choose your disk and begin installation. If the installer asks to unlock your disk, enter the password you use to log in to your Mac.
How do I reinstall Mac OS without recovery mode?
Restart your Mac while holding down the ‘Command+R’ buttons. Release these buttons as soon as you see the Apple logo. Your Mac should now boot into Recovery Mode. Select ‘Reinstall macOS,’ and then click ‘Continue.’
How do I reinstall iTunes on Mac?
Here’s How to Reinstall iTunes Back to Your Mac Again
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How do I do a clean install of OSX Mojave?
How to Clean Install MacOS Mojave
How do I install Mac OS on a new SSD?
With the SSD plugged in to your system you’ll need to run Disk Utility to partition the drive with GUID and format it with Mac OS Extended (Journaled) partition. The next step is to download from the Apps Store the OS installer. Run the installer selecting the SSD drive it will install a fresh OS onto your SSD.
How do I do a fresh install of OSX Mojave?
6. Install macOS Mojave
How do I reinstall Mac OS without Apple ID?Clean Reinstall Mac Os X
1 Answer
How do I reinstall Mac OS High Sierra from Mojave?
Now, follow the steps to downgrade Mojave to High Sierra.
Could not find installation information for this machine?
If you are installing mac os on a fresh Hard Drive then rather pressing cmd + R on startup, you need to press and hold only alt/opt key on system startup. In Recovery Mode you have to format your Disk using Disk Utility and Choose OS X Extended (Journaled) as drive format before you click Reinstall OS X.
How do I wipe and reinstall my Mac?
Select your startup drive on the left (typically Macintosh HD), switch to the Erase tab and choose Mac OS Extended (Journaled) from the Format drop-down menu. Select Erase and then confirm your choice. Quit out of the Disk Utility app, and this time choose Reinstall OS X and Continue.
How do I reinstall Mac OS Internet recovery?
How to use Internet Recovery to reinstall macOS
How long does it take to reinstall macOS High Sierra?
Here’s How Long the macOS High Sierra Update Takes
How do I reinstall El Capitan without losing data?
Question: Q: El capitan reinstall without losing data?
Does reinstalling Mac OS wipe hard drive?
Answer: A: Reinstall will not wipe your data or installed applications, it will only install the OS files. However as a standard precaution, you should backup your data before you reinstall, for the ‘just in case’ senario.
Will reinstalling Sierra delete everything?
Don’t worry, it won’t affect your files, data, apps, user settings, etc. Only a fresh copy of macOS High Sierra will be installed on your Mac again. A clean install will delete everything associated with your profile, all your files and documents, while the reinstall will not.
How do I start my Mac in recovery mode?
How to enter Recovery Mode. 1) In the Apple menu choose Restart, or power on your Mac. 2) As your Mac restarts, hold down the Command (⌘) – R combination immediately upon hearing the startup chime. Hold the keys until the Apple logo appears.
How do I restore my Mac from iCloud?
Restore from an iCloud backup
Does Time Machine restore OS?
Yes. But it does not replace CCC, it is an alternative to it. Time Machine will back up the OS, but that backup needs to be restored before the computer can be booted from it. Those programs can create backups which are directly bootable.
How do I reinstall iTunes on my Mac without losing my music?
Open the Start menu and click “Control Panel.” Click the “Uninstall a program” link and select iTunes from the list of installed programs. Click the “Uninstall” button and follow the prompts to uninstall iTunes. If prompted, restart your computer when the uninstallation is complete.
How do I fix iTunes on my Mac?![]()
If you see an error in iTunes on your Mac or PC
Reinstall Mac Os X YosemiteHow do I reinstall iTunes on my Mac High Sierra?
Follow the steps below to disable Apple SIP and uninstall iTunes. Restart your Mac and press Command+R key shortcut while the reboot is in progress. You will see an unusual startup window – this is the recovery mode. In the Menu bar click Utilities → select Terminal.
Photo in the article by “Flickr”
https://www.flickr.com/photos/ramblinglibrarian/3183911615
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