Can I reinstall Yosemite on my Mac?
Can I reinstall Yosemite on my Mac?
If you’ve never had Yosemite on this Mac, the first thing to do is visit the Mac App Store, download Yosemite, and install it. Boot from your Recovery HD partition by restarting your Mac while holding down the Command+R keys. The OS X Utilities window appears. Select Reinstall OS X, and click Continue.
How do I reinstall Mac Big Sur?
How to install a new copy of macOS Big Sur in Recovery Mode
- Connect your Mac to the internet via Wi-Fi or Ethernet.
- Click on the Apple icon in the upper left corner of your screen.
- Select Restart from the drop-down menu.
- Hold down Command and R (⌘ + R) at the same time.
- Click on Reinstall a new copy of macOS.
How do I restore my 2011 iMac to factory settings?
Restart your iMac by clicking the Apple menu, then select Restart…. Click the Restart button when the dialog box appears. After the iMac shuts down completely but before it begins to restart, hold down the Command (⌘) and R keys at the same time.
What does reinstall macOS Big Sur do?
Reinstalling a fresh copy of macOS Big Sur will not affect your current settings. Applications and settings will remain the same. Completing this process replaces the core files of macOS Big Sur in case something wasn’t working right before.
How do I reinstall my Mac without losing data?
Reinstall macOS without losing data
- Restart your Mac into Recovery mode by pressing the Command + R keys while it restarts.
- You should see a macOS Utilities window with several options.
- Click on the Reinstall macOS option to start the process.
- Press Continue to start the reinstall.
How do I erase the drive on a Mac before installing Yosemite?
If you want to erase the drive on a Mac before installing Yosemite, or start over at any time, you can use a dedicated installer drive to boot that Mac, erase its drive, and then install the OS clean and restore whatever data you need from a backup. And if your Mac is experiencing problems, a bootable installer drive makes a handy emergency disk.
How to reinstall macOS while in recovery mode?
How to reinstall macOS while in Recovery mode The next step is to reinstall macOS. 1 Click Reinstall macOS. 2 Click Continue. 3 Click Continue. 4 Click Agree. 5 Click Agree. 6 Click on the drive on which you wish to install macOS. 7 Enter your Apple ID and password if you’re asked to, though you might not be. 8 Click Install. See More….
How do I make a bootable Mac OS X Yosemite?
Select BaseSystem.dmg in Disk Utility’s sidebar, and then click the Restore button in the main part of the window. Drag the BaseSystem.dmg icon into the Source field on the right (if it isn’t already there). Connect to your Mac the properly formatted hard drive or flash drive you want to use for your bootable Yosemite installer.
How do I download and install OS X Yosemite on Mac?
Right-click (or Control+click) the Yosemite installer to view its contents. Once you’ve downloaded Yosemite, find the installer on your Mac. It’s called Install OS X Yosemite.app and it should have been downloaded to your main Applications folder (/Applications).
