How to Reinstall Mac Os X El Capitan?

ARCHIVED: Install or Upgrade OS X 10.11 (El Capitan)

Restart your computer, and immediately hold down commandr until the gray Apple logo appears.
If prompted, select your main language and then click the arrow.
Click Reinstall OS X, and then Continue.

How do I Wipe my Mac and Reinstall OS X?

Restart your Mac. Choose Apple menu > Shut Down, press and hold the power button until “Loading startup options” appears, select Options, click Continue, then follow the onscreen instructions. In the Recovery app window, select Reinstall for your macOS release, click Continue, then follow the onscreen instructions.

How do I Factory Reset my Mac El Capitan?

Open System Preferences. Click on System Preferences in the menu bar at the top of your screen. Click on Erase All Content and Settings. Enter your password.

Why Won't my Mac Let me Reinstall OS X?

First, completely shut down your Mac via the Apple Toolbar. Then, hold down Command, Option, P, and R buttons on your keyboard as you restart your Mac. Continue to keep these buttons held until you hear the Mac startup chime twice. After the second chime, let go of the buttons and let your Mac restart as normal.

How do I Wipe my Mac and Reinstall from Scratch?

Power down your Mac if it's on.
Press and hold the power button to turn it on and continue to hold it until you see the startup options.
Choose macOS Recovery.
Select Reinstall macOS.
Follow the prompts.

How do I Wipe and Reinstall my Mac?

Make a fresh backup of your Mac.
Open System Preferences .
Click System Preferences in the menu bar > Erase All Contents and Settings.
Follow the prompts to fully erase your Mac.

How do I do a Clean Install of OS X El Capitan?

Restart the Mac from the bootable installer while holding down the Option key . Select the installer on the USB drive and press Return.
If installing to startup drive, select Disk Utility > Continue. Select the drive and choose Erase.
Confirm Mac OS X Extended Journaled is selected.