MacBooks with Function Keys At the right end of the keyboard is the physical Power button. Holding down this button will turn on your MacBook. Alternatively, if you're using the 2018 MacBook Pro or 2018 MacBook Air, pressing any key on the keyboard or clicking the trackpad will turn on the computer.
How to turn on microphone on mac
Here's how to toggle the setting:
If you have a MacBook Pro (2016 or later) or a new MacBook Air (2018 and newer), you'll notice there's no physical Power button on your laptop. Instead, the power button is embedded in the Touch ID button, right next to the Touch Bar. Pressing on the button in the top-right corner will turn on your MacBook.
To Turn on Camera on a Mac: Open Finder on your Mac, click on the Applications folder, and select Photo Booth. As soon as Photo Booth starts, the LED next to the built-in iSight camera should turn on, informing you that the camera is activated.
To set keyboard preferences, open System Preferences, click Keyboard, then click the buttons at the top to see the available options. Use Touch ID (the power button). Press to turn on your MacBook Air (or just lift the lid or press any key).
Connect to the internet with your Mac
Go to the Apple menu > System Preferences. Choose Keyboard > Input Sources. Select the option to Show Input menu in the menu bar. Click the Input menu bar icon and choose Show Keyboard Viewer.
Use autocorrection On your Mac, choose Apple menu > System Preferences, click Keyboard , then click Text. Select the “Correct spelling automatically” checkbox. In an app, type your content.