Wait about a minute, then plug it back into the power outlet and start up your computer. If you can’t use this device, shut down the computer and unplug it from the power outlet. If you can use the device after switching ports, connect another device to the first port. If you still can’t use the device, contact the manufacturer for more information. If your computer has more than one USB port, switch the device’s cable to another port. Get started with accessibility featuresĬheck the power, port, and cable connections: Make sure the USB device is turned on and its cables are properly connected.Use Sign in with Apple for apps and websites.Watch and listen together with SharePlay.Share and collaborate on files and folders.Sync music, books, and more between devices.

Make and receive phone calls on your Mac.Use one keyboard and mouse to control Mac and iPad.Use Live Text to interact with text in a photo.

Make it easier to see what’s on the screen.

Install and reinstall apps from the App Store.

High sierra macbook air no sound