The computer name is most useful when you’re sharing data with another person, which is why it shows up under the Sharing system preference. You can name your Mac anything you’d like! On the Mac, the name is usually the default, which is my first name followed by the type of computer - for example, Steven’s MacBook Pro. Not that it’s ever happened to me, of course… 🙄 That’s the box you want to check if you want to avoid having potentially embarrassing notifications show up on the screen during your presentation. For those presentations, there’s a checkbox for “When mirroring to TVs and projectors”. The System Preferences Notifications pane starts off with Do Not Disturb, and it’s possible to keep notifications from interrupting during specific times, when the display is sleeping or the screen is locked. When I’m making a presentation, it’s annoying to see messages and notifications from friends, relatives, or marketers show up on the screen. I used to teach a lot of Mac and iOS classes at the local community college.

Check them all and you’ll get announcements about products, software and services, a constant stream of emails about new apps, music, TV shows and more, as well as the “best stories” from Apple News. Uncheck all of these and you’ll receive very few marketing emails from Apple. Near the bottom of the screen are three checkboxes for Announcements Apps, Music, TV, and More and Apple News Newsletter. On this preference pane, click Name, Phone, Mail. To force the menu bar to reflect any changes made to the date and time format the process that controls the display of menu bar items – SystemUIServer – needs to be restarted.The macOS User Guide explains any System Preference with a click on the question mark buttonĭo you feel like you get way too many marketing emails from Apple? If so, there’s a somewhat hidden way in System Preferences to get fewer emails.Ĭlick on System Preferences, then click the Apple ID settings button at the top. Note that Use a 24-hour clock and Show AM/PM are mutually exclusive options. The table below details all the possible valid combinations of the five date and time format options in System Preferences together with an example of how the date and time are displayed for each and the corresponding string value for the DateFormat key.

Defaults write DateFormat -string 'EEE d MMM HH:mm'

Analog clock macbook