Muting your computer can be a quick way to maintain focus or silence an unexpected noise. Using keyboard shortcuts, you can ...

Mac OS X only: If you're the type to leave your computer on overnight—say to complete a big BitTorrent download or something along those lines—you may also have been woken up by an unexpected beep ...

Whether you're putting on a presentation or want some music for the office, an unreliable audio signal can be both unprofessional and annoying. A number of scenarios can result in your computer volume ...