MAC APEX TECHNICIAN: The Best Techniques Troubleshooting and Supporting Apple Computers Mac, iMac, MacBook Pro, MacBook Air, and Mac mini macOS for Administrators, Developers, and Users.: Khosravi, Ehsan: 9798605073307: Amazon.com: Books
How to Troubleshoot Startup Problems With Your Mac
Finally installed Tiger on this old iMac after days of troubleshooting! : r/ mac
Fix Major Mac Problems by Simple Troubleshooting Steps - Apple Support, Apple Help-(800)-961-1963