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Connect an external display to your iMac. Your iMac has two or four USB-C ports that support video output. With the two port model, you can connect up to one external 6K display, a projector, or an HDTV to either of these ports. The four port iMac can support up to two external 6K displays. For more information about the ports, see Take a tour ...
- Overview
- Before you begin
- Step 1: Identify the video ports on your Mac
- Step 2: See how many displays your Mac supports
- Step 3: Make sure you have the right cables and adapters
- Step 4: Connect your displays to your Mac
Depending on the capabilities of your Mac, you may be able to connect multiple displays. You may want to do this to make it easier to work in multiple programs, switch between the things you’re working on, or just have more screen space.
Before you can connect your Mac to a display, you need to determine a few things:
•What kind of video ports your Mac has.
•How many displays your Mac can support.
•Whether or not you have the right cables.
Before you can connect displays, you need to know what type of video ports your Mac has. The ports you have determine what kind and how many external displays you can connect, and how you connect them.
Use the table below to determine what video ports your Mac has.
Next, you need to determine whether your Mac supports the number of displays you want to connect.
•For Mac computers with the Apple M1 Chip: You can connect a single external display to your Mac. Docks don’t increase the number of displays you can connect. On a Mac mini with M1 chip, you can connect a second display to the HDMI port . See the Apple Support article Mac computers with Apple silicon.
•For Mac computers with Thunderbolt 3 (USB-C) : You can connect a single display to each port. If you connect multiple Thunderbolt devices to each other, the Thunderbolt 3 display must be the last device in the chain. If your Thunderbolt 3 display has USB ports, those can be used for data and power.
•For Mac computers with Mini DisplayPort : You can connect up to two displays. A DisplayPort device must be the last device in a chain of connected Thunderbolt devices.
•For Mac computers with Thunderbolt, or Thunderbolt 2 : You can connect up to two displays. If the displays themselves have Thunderbolt ports, you can connect one display to another, and then connect one of the displays to a Thunderbolt port on your Mac. If your Mac has two Thunderbolt ports, you can connect each display to separate Thunderbolt ports on your Mac.
•For Mac computers with Thunderbolt 4 (USB-C) and HDMI ports : You can connect up to eight external displays to your Mac, depending on your Mac model.
•If your displays come with cables that match the ports you want to use on your Mac, you can use those cables to connect the display to your Mac.
•If your displays don’t have cables, obtain cables that fit the available ports on your Mac and displays.
•If you have display cables, but their connectors don’t match the ports you want to use on your Mac, you may be able to use an adapter.
See the Apple Support article Adapters for the Thunderbolt 4, Thunderbolt 3, or USB-C port on your Mac to identify what type of adapter you need, see what it looks like, and learn what it can be used for.
Connect your displays to your Mac using the identified video ports, cables, and adapters (if needed).
After your displays are connected, you may want to adjust their settings. Choose Apple menu > System Settings, then click Displays in the sidebar to see your displays’ settings, including resolution, brightness, and color profile. You can also decide whether to extend or mirror your Mac desktop across multiple displays across your external displays.
If you have a third-party display, check the documentation that came with the display to get more information on the display’s video ports and cables, and to make sure you’re connecting the display according to the manufacturer’s guidelines.
See alsoUse your iPad as a second display for your MacApple Support article: Identify the ports on your MacApple Support article: Use an 8K display with your Mac
To connect two 5K external displays, for example, connect the first 5K display to either of the first two Thunderbolt 3 ports, and the second 5K display to either of the last two Thunderbolt 3 ports. See Connect multiple displays to your iMac Pro. To connect this device to a Thunderbolt 3 (USB-C) port. Use this cable or adapter.
Here are your options grouped by display choices: M1 and M2 MacBook Air, 13-inch MacBook Pro, M1 iMac: One external display at up to 6K resolution. M1 Mac mini: One at up to 6K over USB-C and one ...
Apr 17, 2015 · The Late 2015 iMac 5K with AMD 395X can support two external 4K (UHD) displays (at the full 3840x2160 res) with the builtin iMac display set to 5120x2880 FYI. This is the configuration that I am currently running (with 10.11.2), using two LG 27MU67 displays attached via DisplayPort-to-miniDP cables on each of the iMac's thunderbolt ports. Share.
Nov 26, 2021 · Jun 20, 2009. 2,746. 2,935. Lincoln, UK. Nov 26, 2021. #2. Attach one to each of the two Thunderbolt 3 (USB-C) ports. You just need the appropriate cables to connect to whatever ports you will be using on your monitors.
People also ask
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Aug 8, 2020 · If I'm reading the specs correctly, to connect a second monitor, all I would need would be 1) to use one of the included Thunderbolt 3 DV ports (it has two), and the second display itself - the included video card (any of them, actually) should support the internal display plus a second at up to 6K (6016x3384)@60Hz with 1 bazillion colors.
