You can set up additional displays with your Mac in several ways. You can make all of your displays mirror each other, or extend your workspace with different apps and windows on each display. If you use an external display with your Mac notebook, you can also use closed-display mode.
If you have an HDTV and a Mac with a Thunderbolt port, Mini DisplayPort, or HDMI port, you may also be able to play audio from your computer on your TV. Connect your Mac to your TV Connect one end of the video cable (or an adapter, if necessary) to the computer’s Thunderbolt port, HDMI port, or DVI port, then connect the other end of the cable to the TV’s video input port. To connect HDMI cables, start by locating the HDMI port on your device, which looks like a thin, wide slot with a slightly tapered base. Next, attach one end of the HDMI cable to your computer and plug the other end into the HDMI slot on the back or side of your TV.
Some Mac models, such as the Mac mini, also rely on HDMI to connect the computer to the display. But with the release of macOS Catalina, a lot of Mac users using HDMI connection reported encountering various problems after the upgrade.
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Use extended desktop mode
Maximize your workspace with extended desktop mode, which lets you enjoy full-screen apps and windows on each monitor. Then, use Mission Control to organize apps and windows across your displays. If your Dock is on the bottom of your screen, it appears on any of your displays when you move your pointer to the bottom edge of your display.
Turn on extended desktop mode
Arrange your displays or change your primary display
So that you can move apps and windows across your displays in one continuous motion, arrange your displays to match the setup on your desk. You can also change your primary display, which is where your desktop icons and app windows first appear. Here's how:
Use video mirroring
With video mirroring, all of your displays show the same apps and windows.
Turn on video mirroring
Use AirPlay![]()
With Apple TV, you can mirror the entire display of your Mac to your TV or use your TV as a separate display. To turn on AirPlay, follow these steps:
* If you don't see in the menu bar, choose Apple () menu > Displays, then select the 'Show mirroring options in the menu bar when available' checkbox.
Learn how to AirPlay video from your Mac.
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Mac Hdmi To Tv
Mac computers that have any of the following ports can connect to HDMI devices. Learn how to identify the ports on your Mac.
Mac computers that have an HDMI port comply with HDMI 1.4b and support:
If using an adapter, check the specifications of the adapter to learn about supported resolutions and other details. Seagate backup plus hub for mac 4tb.
After making the connection
If your Mac doesn't recognize your HDTV, display, or other HDMI device after making the connection:
Hdmi Connection Macbook To Tv
If the video on your HDTV or display extends beyond the borders of the screen, open Displays preferences and adjust the Underscan slider for a better fit. Use any of these methods to open Displays preferences:
If your HDMI device isn't receiving audio from your Mac:
If your Mac goes to sleep while a video is playing or paused, you might see an HDCP error. Quit the app that is playing the video, then open the app again. If the issue continues, choose Apple menu > System Preferences, then click Energy Saver and adjust the settings so that your display doesn't turn off.
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