OS X El Capitan is the latest version of OS X for Mac machines, but how does it perform on an older Mac? While El Capitan comes with mostly the same look and feel as OS X Yosemite, the new version ...

I just replaced the hard drive on my 2008 24-inch iMac (model 8,1) with an SSD. I am running OS 10.6.8. Now AFTER Shutdown or in Sleep mode, I can hear a fan still spinning along with a quiet clicking ...