Why Your Computer’s Hard Drive Lights Flash When You Aren’t Doing Anything | Education 2.0 & 3.0 | Scoop.it
From www.howtogeek.com - November 20, 2014 9:17 PM
It’s happened to all of us. You step away from your computer and come back a few minutes later. While you were gone, your computer’s hard drive lights start flashing — but what exactly is it doing? It’s natural to be a bit suspicious.

Via Tom D'Amico (@TDOttawa)