My 2009 iMac is making a faint clicking (or knocking) sound. I thought this was the sound of the hard drive was going bad, so I replaced it with a solid state drive. It is still making this sound after installing the SSD. You can hear the regular click in this video. https://dl.dropboxusercontent.com/u/2921921/Video Feb 01, 3 16 28 PM.mov
[doublepost=1454359667][/doublepost]Upon closer inspection it appears that the fan on the bottom right side (behind the screen) is attempting to power up but can't. Every time it tries to start it makes that clicking sound.
[doublepost=1454359950][/doublepost]https://dl.dropboxusercontent.com/u/2921921/Video Feb 01, 3 48 15 PM.mov
[doublepost=1454359667][/doublepost]Upon closer inspection it appears that the fan on the bottom right side (behind the screen) is attempting to power up but can't. Every time it tries to start it makes that clicking sound.
[doublepost=1454359950][/doublepost]https://dl.dropboxusercontent.com/u/2921921/Video Feb 01, 3 48 15 PM.mov