Apple Hardware Test

In this video, I show you how to run the Apple Hardware Test. This test is for Macs older than June of 2013. IMPORTANT: If your Mac was released after June 2013, you will use Apple Diagnostics rather than Apple Hardware Test (AHT). See Apple Diagnostics below for instructions. Isolating issues in Mac OS X (to hardware or software) Apple Hardware Test Apple Diagnostics Follow me: Twitter: t