Mac Pro :: Begun Making A Slow Clicking Noise On Startup?.OS X :: HD Making Clicking Noise - Verified Smart Status.MacBook Pro :: Fan Making Faint Clicking Noise.OS X :: Audio Input Making Clicking Noise?.The sound appears to be coming from the rear of the computer, near the top. I replaced the hard drive, but that didn't help. It does this constantly, no matter what I'm doing.
For the past 6 months or so, it has been making a whirring, clicking, chirping noise. Mac Pro :: Why Making A Clicking Noise Jul 8, 2010