Check your requirements

In the meantime, connect an external monitor to your iMac, and see what you've been missing.

So, the 27" imac and the 27" cinema display both have speakers. I tried setting up the speakers by creating an aggregate device in audio-midia setup - but I have had no luck in getting the sound to come out of both displays. Any ideas? Good question, and I wish I had an external monitor with speakers to test this with.

Mac: How to span windows across multiple displays

My external monitor doesn't have speakers. After digging around and rewriting this response several times, here's what I've found:. Thank you so much for posting this information. I really like my iMac, but was not happy about giving up my laptop and external moniter. I like lots of real estate! This is my third external monitor which I've attempted to hook up to my late iMac with Thunderbolt. I came armed with photos to the Apple Store and spoke with two reps.

The Mac does not recognize any of the monitors and am now thinking there is something about the Mac which I need to change or something? Everywhere I've looked it's supposed to be this automatic thing. It's hard to say, but what I usually do to troubleshoot something like this is what it sounds like you've started: try multiple monitors, and try multiple cables with those monitors.

I have several different Macs that I purchased over the last three years, and usually when I connect an external display it just works.

By Alvin Alexander. Last updated: January 30 Yes, you can connect a second monitor external monitor to your iMac — here's how. You can see the iMac Mini DisplayPort in this photo: Image courtesy of Apple , with a few words rearranged, and the red dot above the iMac monitor Mini Display port added by me to make it more apparent. MacBook Air external monitor connectors.

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Run More Than 3 Monitors on the 2018 & 12222 Mac Mini

If you chose to extend your desktop, you'll now see your desktop split between the first monitor and the second monitor. Open the Apple menu. Click System Preferences…. It's near the top of the Apple drop-down menu. Click Displays.

How to connect 2 monitors in extended view mode?

You'll find this computer monitor-shaped icon in the upper-left side of the System Preferences window. Click the Arrangement tab. It's at the top of the page. Uncheck the "Mirror Displays" box. If you want to extend your desktop using the second monitor, make sure that the "Mirror Displays" checkbox is unchecked. If you want to display the same content on both monitors, you can leave the "Mirror Displays" box checked. Change your default display. If you want to use the second monitor as your main display, you can click and drag the white rectangle at the top of one of the blue displays onto the second display.

It may be because your monitors are the "wrong" way around i. Try moving your mouse off the "wrong" side and see if it appears on your second monitor. Yes No. Not Helpful 5 Helpful What do I do if I can see the pointer on my monitors, but I can't control it? Make sure your mouse is plugged in properly. Sometimes just unplugging it for a few seconds and then plugging in back in gives it a reset.

Not Helpful 1 Helpful 7. You might only be able to hook up one monitor because of your graphics card, though. Not Helpful 4 Helpful You can then select "extend desktop" and select which you want to be the primary monitor and which the secondary, and drag the monitor position to determine which is the left and which is the right.

Not Helpful 40 Helpful What is the cheapest graphic card good for gaming using dual monitor? Not Helpful 18 Helpful Can I work on separate documents on each monitor and cut and paste between them? Yes, it works just as if it was on the same monitor. Just copy and paste like you would normally, and it will work.

Not Helpful 8 Helpful My computer does not detect my second monitor even after connecting a VGA splitter. What's wrong?

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A VGA splitter does not add an extra display -- it simply duplicates the existing cables. The best way to think of this is to use a river as an analogy: if you have one river, which splits into two, it is still the same water, as opposed to having two separate rivers to begin with. Not Helpful 64 Helpful Sachin Gaur.

Yes - you can try a Y cable which will allow you to connect two monitors. In order for this to work properly, you must have good graphic memory on your PC for smooth performance. Not Helpful 23 Helpful My second monitor is not being detected. I have dual HDMI out slots on my upgraded video card.

What can I do? Go to the notifications tab on the bottom right of your screen.

How To Setup Dual Monitors on Your Mac

Click 'project,' then click 'extend. Not Helpful 41 Helpful You should be able to just drag your mouse to the left or right, depending on what side you placed your monitor, and it should just carry over. Not Helpful 88 Helpful Unanswered Questions. What would cause my second monitor to have a "no signal" message? I have tried switching the cables around. Answer this question Flag as Flag as Can I use a male to female extender when setting up dual monitors?

What are the settings when closing the lids for dual monitors? What do I do if there are no drop down options when I click on multiple displays? What do I do if the computer won't detect the second monitor? Include your email address to get a message when this question is answered. Already answered Not a question Bad question Other. Tips You can repeat the connection process with multiple monitors if your computer supports it.

In this way, you can use three or more monitors for your desktop. Warnings If the second monitor has a higher resolution than your main monitor or vice versa , you'll probably want to reset the higher-resolution monitor to match the lower-resolution monitor.

How to Setup Triple Monitors for Your iMac / Apple Computer

Failing to do so will result in graphical bugs. Edit Related wikiHows. Did this summary help you? Article Info This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness.


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