Step 1. Verify that your Mac can run the macOS or Mac OS X version you wish to install.Step 2. Next, download the installer for the Mac OS X or macOS version you want to install.Step 3. After downloading the installer, you can click to install it, and your Mac will be updated (...
macOS Recovery is a software tool built into macOS that is designed to help users fix issues with their system, among other things. It's great during times when your Mac won't boot up normally, because macOS Recovery is stored separately from your regular macOS volume on a hidden disk volu...
But before you reinstall OS on Mac, ensure to back up your data, confirm your system’s compatibility with the OS, and install according to your processor type. With the tips I’ve given in this guide, you can easily fix your Mac and make it feel as good as new. If you’re ...
Command-R is still the recommended way to start up from macOS Recovery. This combination makes sure that the installation isn't associated with your Apple ID, which is important if you're selling or giving away your Mac. Option-Command-R installs the macOS that came with your Mac, or the...
Reinstall Mac OS on new hard drive after old drive fully failed I have a MacBook Pro (Retina, 13-inch, Early 2015) and had a fail with the hard drive. Installing everything again. Did the partitioning that was suggested in the solutions page, all seemed well enough. Plugged in my ...
Step 4.Don't put your Mac to sleep mode or close its lid during the installation. It's normal to see your Mac restart several times or the screen is white while you reinstall the Mac OS. Just wait patiently for the process to finish. ...
Reinstall Mac OS on iMac I have securely erased the hard drive on a 2011 iMac, owned from new, and am unable to reinstall system software on it. I'm unable to use the original Mac OS install DVD, and have been unsuccessful in using the the online recovery system to install either the...
Update your Mac Apps to the latest versions Once you are ready, simply take the following steps toreinstall macOSwithout losing its data. How to Reinstall Mac OS? Step 1: Backup Files on Mac If you don't want to suffer from an unexpected loss of your important files during the reinstalla...
选中外置引导盘,点击Erase,输入一个你能记住的名字,Format选择Mac OS Extended (Journaled)或者APFS两者之一,Scheme选择GUID Partition Map。如果上一部你没有选择Show All Devices,这里你是看不到Scheme这个选项的。一定要选择GUID Partition Map,否则是无法从此媒体boot系统的。然后点Erase。
How to Reinstall Mac OS X Once you’re confident that there are no important data left to back up on your Mac, you’re ready to begin the reinstall process: Turn off your Mac. Immediately after pressing the power button to turn on your Mac, hold down Command-R to install the latest ...