I formatted my macbook air and now i get a loud beep then blank screen for 2.5 minutes on boot up. then laptop works normally. I found that the first book without power (disconnected battery) it will ...

An incessant beeping sound in your home can be extremely frustrating, especially when you can't pinpoint where it's coming from. Common culprits include smoke detectors, appliances, and security ...

It comes out of the speakers so its not the onboard speaker. If I change the default beep to something more gentle, at least the sound won't be so loud and abrupt but I want to get rid of any system ...