If you want both monitors to show the same image, check off Mirror Displays. The window on your main display will have more options - use this window and click Arrangement at the top.Ĥ. Two windows will open, one on each display. Once the display comes back, open the System Preferences app - you can click the Apple logo in the top-right corner of your screen and open it from there - and select Displays. If your Mac device doesn't have an HDMI port, you'll need to connect the HDMI cable to a USB cable or hub, and then connect that to the Mac.Ģ. Connect your second monitor to your MacBook, iMac, or Mac Mini using an HDMI cable.
How to use mac laptop as a hdmi monitor how to#
© William Antonelli/Insider How to set up dual monitors on a Macġ. Your main monitor will be listed as "1," and your new monitor will be listed as "2." Click and drag them around to match their arrangement in real life, then click Apply.
If you chose the Extend these displays option, scroll back up to the Rearrange your displays section. Once you've picked an option, click Keep changes. Show only on 2: Select this if you only want to use the secondary monitor.Ĥ.Show only on 1: Select this if you only want to use the primary monitor.Duplicate these displays: This option will show the same image on both screens, which can be useful for PowerPoint presentations and lectures.Extend these displays: You can set your screens up so that they display different things and your mouse cursor can move between them.Scroll down to the Multiple Displays option, open the drop-down menu, and choose how you want the dual monitors to work. Once the screen comes back, right-click on an empty part of your PC's desktop and a drop-down menu will appear. Both screens will go black and might flicker a bit. Your computer should recognize the new monitor right away.
In some cases, you might need a combination of different cables. Depending on the monitor and your computer, you'll need a VGA, HDMI, or USB cable. Connect both monitors to the computer tower or laptop you're using, and make sure they're both turned on.
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