How do I clean my Mac OS X and reinstall it?
If you’re reinstalling on a Mac notebook computer, plug in the power adapter.
- Start up your computer in macOS Recovery:
- In the Recovery app window, select Disk Utility, then click Continue.
- In Disk Utility, select the volume you want to erase in the sidebar, then click Erase in the toolbar.
How do I install the original version of Mac OS X?
Here are the steps Apple describes:
- Start up your Mac pressing Shift-Option/Alt-Command-R.
- Once you see the macOS Utilities screen choose the Reinstall macOS option.
- Click Continue and follow the on-screen instructions.
- Select your startup disk and click Install.
- Your Mac will restart once the installation is complete.
Does a clean install erase everything Mac?
This process will erase whichever OS you’re currently using from your hard drive entirely. That means any files, programs, or documents you have will be deleted.
How do you install OS X on a PC?
Copy the OS X Install DVD to your computer. You are going to need an Apple computer for the first few steps to properly format your USB drive to install OS X on a PC. Insert the OS X Install DVD into the Apple computer. Open Disk Utility (Applications > Utilities) and highlight the disc in Disc Utility’s sidebar.
How to create OS X installer?
1) Connect the USB flash drive or other volume you’re using for the bootable installer. Make sure that it has at least 12GB of available storage and is formatted as Mac OS Extended. 2) Open Terminal, which is in the Utilities folder of your Applications folder. 3) Type or paste one of the following commands in Terminal. These assume that the installer See More…
How do you reinstall OS X Lion?
Reinstall OS X Lion Hold down the “Command” and “R” keys while your Mac is booting. Select “Recovery HD” when prompted and click the arrow below it to boot into recovery mode. Select “Reinstall Mac OS X ” from the Mac OS X Utilities dialog followed by the “Continue” button. Select the drive or volume you want to reinstall Lion on See More….
How do you factory reset Mac OS X?
Steps for Reset Mac to Factory Settings or Clean Mac for Sell Step 1: Restart your Mac OS X, That you want factory reset. Step 2: Next, Select Disk Utility and Click on continue button. Step 3: Choose you startup disk and erase that with Erase option. Step 4: Set your disk startup name and again go with Erase button.