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Hi there Dan. My name is***** am a computer professional with over 15 years of experience with both Mac and Windows computers, phones, tablets, and printers. Since you indicated that it is a new computer, I recommend that you follow these steps to reinstall the Operating System.
· Restart the Mac in Recovery Mode (hold down the Command key and the R key during restart).
· Use Disk Utility to erase the hard drive. Click on Disk Utility > Continue. Select the main volume and click Unmount then Erase). Quit Disk Utility (Disk Utility > Quit Disk Utility).
Note: If erase is grayed out, you may not have successfully booted into Recovery Mode. Shut down again, and restart, holding down the Command and R key.
· When you have exited Disk Utility, click Reinstall OS X and Continue. Follow the instructions to reinstall Mac OS X.
I apologize< Dan. I just saw that you had already tried this. Can you please try again, restarting your Mac and hold down both down the Command and R keys until the Apple logo appears? After your computer finishes starting up, you should see a desktop with an OS X menu bar and an OS X Utilities window with the options listed above. Please try this and let me know the results.