Step 4: Reinstall a clean Mac operating system. Restart your Mac. While the startup disc is waking up, hold down the Command+R keys simultaneously. Click on Reinstall macOS (or Reinstall OS X where applicable) to reinstall the operating system that came with your Mac. Click on Continue.

How to Reformat Mac OS X Without a Recovery Disc or Drive Back Up Your Files! Okay, so you may have a lot of files that you want to get rid of, but you definitely … How to reinstall macOS, even without Recovery Mode Jun 11, 2019 The Safe Mac » How to reinstall Mac OS X from scratch Apr 11, 2013 Download and Install old Versions of OS X on a Mac

Even if you did a clean install of El Capitan it would not explain why you are seeing OS X 10.6.8. OS X 10.6.3/4 was the original system on your computer. Still, it’s hard to know where the 10.6.8 came from, unless Time Machine has been disabled or disconnected for the last 8 years or so. What is the date of your latest Time Machine backup?

How to create a bootable installer for macOS - Apple Support

Reboot the Mac and hold down the Command+R keys until you see the loading screen to signify you …

How to Install macOS From USB Choosing a USB Flash Drive for Installing macOS. USB flash drives are cheaper than ever, so you … Can't Reinstall OS X On Your Mac? Try Resetting The PRAM Apr 15, 2014 How to reinstall Mac OS X 10.7 or OS X 10.8 on your 2011 Apr 25, 2013 SOLVED: How can I install OS X on a new ssd - MacBook Pro