The iMac features one of the best displays on the market, and if you are lucky to have a 4K retina monitor, the vibrant screen is likely to make your workflow more pleasant. On top of that, you can use Target Display Mode to connect a MacBook with a late 2009 or mid-2010 iMac.
But is it possible to use your Mac as a PC monitor?
To answer the question right away – yes, it is possible to use your iMac as a PC monitor. However, you do need a compatible iMac and PC, plus a special cable/adapter. If your Mac has a Retina Display, this is not possible.
This article will provide a step-by-step guide on how to do it, as well as an overview of the necessary gear. Without much further ado, let’s dive right in.
How to Use an iMac as a PC Monitor
Setting up your iMac for use as a PC monitor is much easier than you might think, but it will only work if you have a compatible iMac model and cable.
Here’s everything you need to know to connect your iMac to your PC.
The first thing you need to do is check if your iMac can be used as a secondary monitor. Take a look at the ports, and if your iMac features a Thunderbolt or Mini Display Port, it can be used as a monitor.
However, things aren’t necessarily as simple as that, so check out the compatible models:
- Late 2009 and mid-2010 27-inch iMacs featuring a Mini Display port
- Mid-2011 and 2014 iMacs featuring a Thunderbolt port
Certain other models (up to late 2014) might also be used as a secondary display. However, the late 2014 5K retina iMac doesn’t offer Target Display Mode. As for the other requirements, you also need a PC that features a Mini Display or Thunderbolt port.
If your PC doesn’t feature these ports, you can use an HDMI or Display port with a suitable adapter. For example, you can use an HDMI to Mini Display adapter or Mini Display to Display Port adapter. Of course, Mini Display, Thunderbolt, or HDMI cable is also required.
If you aren’t sure about the age of the Mac you’re working with, it’s simple to find. Click the Apple symbol at the top of your Mac and click ‘About this Mac.’ Next, review the pop-up for the necessary information.
Once you’re certain that your Mac meets the criteria listed above, let’s get to work on setting up your system.
Step 1: Connecting the Cables
Turn off your iMac and PC, then plug the cable into the Thunderbolt, HDMI, or Display port on your PC. Next, plug the cable into the Thunderbolt or Mini Display Port on your iMac.
Note: If you are using an adapter, connect the cable to the adapter first, then insert the male end into the Mini Display/Thunderbolt port on the iMac.
Step 2: Trigger Target Display Mode
Turn on both the iMac and the PC, then hold Cmd + F2 or Cmd + Fn + F2 on the iMac keyboard to trigger Target Display Mode. In a few seconds, you should be able to see the screen of your PC mirrored on the iMac.
Screen Resolution Concerns
For optimal display quality, it’s important to properly set the screen resolution.
In general, setting the video output to 2560 x 1440 on your PC should match the screen resolution of an older iMac (2009, 2010, 2011, and some 2014 models). However, Apple introduced 4K retina displays across the 27-inch line in 2014. These iMacs have a native resolution of 5120 x 2880 which might be hard to match if you are using a laptop. Plus, Target Display Mode might not be available.
If you want to check the iMac’s resolution, click on the Apple logo in the taskbar, select ‘About This Mac,’ and choose the ‘Displays’ tab.
Note: Screenshot was taken on a late 2015 iMac
Use iMac as a Second Display
Regardless of the iMac model you have, it can be used as a second screen for your PC. In other words, you can mirror the PC display to an iMac even if it’s the latest 5K. But you should know that the iMac needs to run Windows 10 Home or Pro for the trick to work.
Apple has more instructions on running Windows on Mac via Boot Camp here.
Make sure your iMac is on and running Windows, then connect to the same network as your PC via Ethernet or WiFi.
Go into Windows Settings on your iMac, choose ‘System’, and select ‘Projecting to this PC’ from the menu bar on the left.
Under ‘Projecting to this PC,’ click on the first drop-down menu and choose ‘Available everywhere.’ Select ‘First time only’ under ‘Ask to project to this PC.’ It is not necessary to ‘Require PIN for pairing,’ so you can keep the option off.
At the bottom of the window, make sure you give your computer a name, especially if you have multiple machines at your home.
Move onto the PC and access the ‘Action Center’ from the bottom-right corner. Select the ‘Project’ tile and choose ‘Connect to a wireless display.’
The PC will look for available displays and your iMac should appear in the results. Click on the iMac and your PC should show both displays.
You might need to go into ‘Display Settings’ and change the resolution so it appears the same on both machines. For example, if you are mirroring to a 5K iMac, the resolution of 2560 x 1440 should work fine, but this depends on the exact iMac and PC model you are using.
If you have the right devices and cables/adapters, using an iMac as a PC monitor is pretty easy.
While you may have difficulty connecting the two if certain criteria are not met, for those with the proper cables and the Target Display Mode equipped, you can use an iMac as a monitor for a PC. Having dual monitors can make gaming, working, and homework much easier, so it’s certainly worth a try.
Have you tried using your iMac as a PC monitor? Share your thoughts and experiences in the comments below.
If you want an Apple-branded external display, your sole option nowadays is the $5999 Pro Display XDR. To make matters worse, Apple also deprecated Target Display Mode, which allowed people to use their iMac as an external display for another computer.
Nonetheless, these roadblocks didn’t stop one developer from creating a one-of-a-kind 5K iMac Display.
Developer Phillip Caudell took to Twitter last week to showcase the 5K iMac Display, which is sort of a “Frankenstein of parts.” Essentially, Phillip was able to track down an old iMac housing, then buy the exact panel that Apple uses in the iMac on eBay:
It’s a bit of a Frankenstein of parts: I picked up an old iMac housing for £20 (and scooted across London with it like a prat). I then got a panel off eBay for £350. By far the most expensive part, but it’s the exact same model as the one inside the iMac 5K.
From there, Phillip was able to get a driver board for the display for £150, which fits into the iMac housing despite being a “bit of a squeeze.” This driver board is the same one Dell uses in its Ultrasharp displays, and therefore macOS recognizes it as an external Dell display in System Preferences.
In the end, the project was successful and the only downside is you need two DisplayPort cables to drive the full resolution:
Wired it all up, and lo and behold it works! Super happy with the result. All in it came to £530, which isn’t too shabby for a 5K monitor! Only slight downside is it requires two display port cables to drive the full resolution, but hardly the end of the world.
This is of course not a solution that everyone will have the skills to complete, but it’s a very cool look at what an external Apple display inspired by the iMac could look like. The rumors currently indicate that Apple will release a new redesigned iMac later this year and that it has also started work on a lower-priced external display based on the iMac.
You can learn more in Phillip’s Twitter thread right here, as well as a separate thread on Reddit.
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How to Use Your Old iMac as a Monitor
The 27-inch iMacs introduced in late 2009 included the first version of Target Display Mode, a special feature that allowed iMacs to be used as displays for other devices.
Apple originally hinted at the iMac being used with DVD and Blu-ray players as an HDTV display, and even as a display for another computer. But in the end, Target Display Mode became an Apple-only technology that allowed Mac users to drive an iMac's display from another Mac.
Still, it can be quite compelling to see your Mac mini making use of your older 27-inch iMac as a display, or for troubleshooting an iMac having display issues.
How to Add a Monitor to a MacBook Pro
Connecting Another Mac to Your iMac
The 27-inch iMac has a bi-directional Mini DisplayPort or a Thunderbolt port (depending on the model) that can be used to drive a second monitor. The same Mini DisplayPort or Thunderbolt port can be used as a video input that allows your iMac to serve as a monitor for another Mac. All you need are the proper ports and cables to make the connection between the two Macs.
The Mini DisplayPort or Thunderbolt-equipped iMac can only receive DisplayPort-compatible video and audio. It can’t receive analog video or audio sources, such as those from a VGA connector.
iMac Model *
Compatible Mac Source*
2009 - 2010 27-inch iMac
Mac with Mini DisplayPort or Thunderbolt
2011 - 2014 iMac
Mac with Thunderbolt
2014 – 2015 Retina iMacs
No Target Display Mode support
* Mac must be running OS X 10.6.1 or later
Making the Connection
Both the iMac that will be used as the display and the Mac that will be the source should be turned on, then connect either the Mini DisplayPort cable or the Thunderbolt cable to each Mac. The connection should then happen automatically.
Multiple iMacs as Displays
It's possible to use more than one iMac as a display provided all Macs––both the iMacs used for display and the source Mac––are using Thunderbolt connectivity.
Each iMac used as a display counts against the simultaneously connected displays supported by the Mac you're using as the source.
Maximum Connected Thunderbolt Displays
Number of Displays
MacBook Air (Mid 2011)
MacBook Air (Mid 2012 - 2014)
MacBook Pro 13-inch (2011)
MacBook Pro Retina (Mid 2012 and later)
MacBook Pro 15-inch (Early 2011 and later)
MacBook Pro 17-inch (Early 2011 and later)
Mac mini 2.3 GHz (Mid 2011)
Mac mini 2.5 GHz (Mid 2011)
Mac mini (Late 2012 - 2014)
iMac (Mid 2011 - 2013)
iMac 21.5-inch (Mid 2014)
Mac Pro (2013)
Enable Target Display Mode
Your iMac should automatically recognize the presence of a digital video signal at the Mini DisplayPort or Thunderbolt port and enter Target Display Mode.
If your iMac doesn't automatically enter Target Display Mode, press Command+F2 on the iMac you wish to use as a display to manually enter Target Display Mode.
What to Do If Target Display Mode Doesn't Work
If Target Display Mode isn't working to connect your iMac as an external display, there are a few things you can try that might help make the connection.
Try using Command + Fn + F2. This may work for some keyboard types.
Make sure the Mini DisplayPort or Thunderbolt cable is properly connected.
If the iMac being used as a display is currently booted from a Windows volume, restart it from the normal Mac startup drive.
If you're currently logged into the iMac you intend to use as a display, try logging out, returning to just the normal login screen.
There are a few third-party keyboards that will not send the Command + F2 correctly. Try using another keyboard, or the original keyboard that came with your Mac.
Exit Target Display Mode
You can manually turn off Target Display Mode by pressing the Command+F2 keyboard combination, or by disconnecting or turning off the video device connected to your iMac.
Things to Consider
- Your iMac will continue to run OS X as well as any applications that were open when it entered Target Display Mode.
- While in Target Display Mode, only the keyboard’s display brightness, volume, and Target Display Mode key combinations are active. Any other keyboard input will be ignored. USB, FireWire, and inputs other than the keyboard will also be ignored.
- The Mac being used as the source for the display can’t make use of any of the display iMac's features, including the built-in iSight camera.
- Target Display Mode can be helpful in many situations, but it's not a fulltime substitute for having a dedicated display for another Mac.
Should You Use Your iMac as a Display?
If a temporary need arises, sure, why not? But in the long run, it just doesn’t make sense to waste the computing power of an iMac, nor does it make sense to pay for the energy the iMac needs to run when you're only using the display. Remember, the rest of the iMac is still running, consuming electricity and generating heat.
How to Set Up Dual Monitors on a Mac
If you need a large display for your Mac, do yourself a favor and grab a decent 27-inch or larger computer monitor. It doesn't need to be a Thunderbolt display; just about any monitor with a DisplayPort or Mini DisplayPort will work very well with any of the Macs listed in this article.
The 7 Best 27-Inch LCD Monitors of 2021
Frequently Asked Questions
- Why did Apple remove Target Display mode from newer iMacs? With the launch of Retina 5K iMacs in 2014, the iMac's resolution increased so much that it would take at least two Thunderbolt ports just to turn on a monitor. Apple decided this was too many ports, so instead of increasing the bandwidth in each port, they quietly disabled the Target Display feature.
- When will Target Display mode return? Probably never. Mac users hoped for the return with the M1 iMac which included more Thunderbolt ports, but the Target Display mode hasn't been on any iMacs since late 2014. And now that Apple has archived their article about the feature, it's pretty safe to say it's gone forever.
Thanks for letting us know!
Apple recently “Sherlocked” a company called AstroHQ, by that firm’s own acknowledgment, with a macOS 10.15 Catalina feature called Sidecar for converting an iPad into a secondary Mac monitor.
Sidecar essentially replicates the functionality of a physical Luna Display dongle that AstroHQ sells for $79.99—a seemingly steep price considering that Sidecar is free (see “Catalina’s Sidecar Turns an iPad into a Second Mac Monitor,” 21 October 2019, and “Luna Display Turns an iPad into a Responsive Mac Screen,” 7 December 2018).
So, what was AstroHQ to do? Company co-founder Matt Ronge took to Twitter earlier this month to announce Mac-to-Mac Mode for Luna Display.
If such a Mac-as-secondary-display set-up sounds vaguely familiar, you might be thinking of Apple’s own Target Display Mode, which does pretty much the same thing, but only under limited circumstances. You can use it to turn certain older iMacs into second displays for other Macs. But these setups tend to be temperamental.
TidBITS publisher Adam Engst used an older 21.5-inch iMac as a secondary display with his MacBook Air for a while, but the experience wasn’t entirely satisfying. He found that he often had to reinvoke Target Display Mode after the MacBook Air woke up, and he sometimes had to restart either the MacBook Air or the iMac to get it to work. Plus, it required keeping a keyboard attached to the iMac—purely to press Command-F2 to enable Target Display Mode—and while the iMac was hooked up, it somehow prevented audio from playing on the MacBook Air.
AstroHQ thinks the limited hardware requirements of Target Display Mode and its general flakiness give the Luna alternative an opening (shall we call it “Watsoning”?). For one thing, AstroHQ’s solution supports a wider range of dual-Mac scenarios—side-by-side MacBooks, for instance, or even a Mac mini with a MacBook functioning as its sole display.
But Mac-to-Mac Mode isn’t without its own issues. Most notably, although Mac-to-Mac Mode works with side-by-side iMacs, it doesn’t support either 21.5-inch or 27-inch iMacs with Retina displays—either 4K or 5K. That’s a shame, since it means you can’t use an older 27-inch iMac with Retina display as a 5K external monitor.
That said, Mac-to-Mac Mode does support standard 4K displays.
Getting Started with Mac-to-Mac Mode
AstroHQ sells two versions of its Luna dongle—a USB-C model for use with newer Macs, and a Mini DisplayPort version for use with older machines.
In addition to one of the dongles, Mac-to-Mac Mode set-ups require the following:
- A “primary” or host Mac, from which screen content will be projected to a secondary Mac. You plug the Luna dongle into this Mac, which must be running OS X 10.11 El Capitan or later.
- The secondary Mac, which must be running 10.8 Mountain Lion or later.
- Two Luna apps. You run the Luna Display app on the primary Mac and the Luna Secondary app on the secondary Mac. Both apps are free when you buy the Luna Display dongle.
- A reliable network connection. Most people will typically use Mac-to-Mac Mode over Wi-Fi with both Macs on the same wireless network. It also works over Ethernet, if both Macs are connected to the same Ethernet network.
Enabling a Mac-to-Mac connection is straightforward, as it tends to be with a Luna-initiated Mac-to-iPad connection.
First, launch the Luna Display app on your primary Mac. If you’re running 10.14 Mojave or later, you might be asked to modify Accessibility settings in System Preferences, but you should need to do this only once.
Second, open the Luna Secondary app on your secondary Mac. At this point, the two Macs should be able to link up automatically. After a bit of display flashing, your Desktop should expand from the primary Mac to the secondary Mac.
Automatic connections worked fine for me on some attempts, but not others for reasons I couldn’t discern.
If an automatic connection does not work, you can employ a workaround called Wi-Fi Manual Connect. Click this button in the apps on both Macs. You should then see a code appear in the app on the primary Mac. The same code also will show up in the app on the secondary Mac, but with a few digits omitted—fill those in, and you should be good to go.
Wi-Fi Manual Connect worked well for me when automatic connections failed.
Once connected, you can use the Luna Display app on the primary Mac to tweak how the two Macs function in relation to each other, with the secondary Mac on the left or right. Clicking Custom dumps you into the standard Display settings for additional adjustments.
Using the Mac-to-Mac Mode
To test Mac-to-Mac Mode, I persuaded my wife to part temporarily with her trusty 2015 MacBook Air, which I paired with my 2018 Mac mini (see “It Lives! Apple Announces Pro-Focused Mac mini,” 30 October 2018) and its LG UltraFine external display (see “Apple Debuts LG’s All-New 23.7-inch UltraFine Display,” 20 May 2019).
With the MacBook Air in hand, I tested Mac-to-Mac Mode in three scenarios. Two of these involved the USB-C Luna Display dongle, and the third tapped the Mini DisplayPort version.
1: MacBook Air As Secondary Display
My goal here was to use my LG UltraFine display as the main screen for my Mac mini, with the MacBook Air off to one side as a secondary monitor, much as I would when using an iPad with the Luna Display.
This dual-screen setup worked well, with my Mac mini’s extended Desktop displaying on the MacBook Air with its full 1400-by-900-pixel resolution, and with good responsiveness.
The Mac-to-Mac Mode connection was impressively hard to break. I repeatedly closed and reopened the MacBook Air’s lid, with the Luna Display hookup continuing as if nothing had occurred. Putting the Mac mini to sleep did break the Mac-to-Mac Mode link, as you’d expect, but the Luna apps were waiting upon reawakening and automatically reinitiated the connection.
I did notice one bizarre anomaly. While both the MacBook Air’s built-in keyboard and the Mac mini’s external keyboard behaved as expected for text input, only the Mac mini’s mouse and trackpad acted normally. When using the MacBook Air’s trackpad, I couldn’t move the cursor onto the Mac mini’s display—It was notebook-only, for some reason.
2: MacBook Air As Primary Display
What if you have a Mac mini as a “headless” Mac—tucked away in a closet, perhaps? Luna Display’s Mac-to-Mac Mode lets you use a Mac laptop as a wirelessly connected monitor whenever you need it. AstroHQ has already proposed using an iPad with a Mac mini in this way.
In my case, Mac-to-Mac Mode on my wife’s MacBook Air enabled me to use my Mac mini while on the comfy sofa far from my office.
To test this single-display solution, I had to physically disconnect my LG screen from the Mac mini so that the MacBook Air would become the Mac mini’s sole display.
But first, a few macOS tweaks were required for this to function properly:
- Automatic login must be turned on via System Preferences > Users and Groups > Login Options. A pull-down menu at the top lets you designate a Mac account for automatic login. If the pulldown menu is grayed out, check if FileVault is turned on (it must be off) or if an iCloud password is used for authentication (which also disables automatic login).
- In that same Mac account, the Luna Display app must be set up to launch automatically on login (in System Preferences > Users and Groups > Login Items).
Once I had twiddled those settings, I rebooted my Mac mini while launching the Luna Secondary app on the MacBook Air. A few seconds later, the Luna apps on the Macs found each other, and—presto!—I was looking at the Mac mini desktop on the MacBook Air’s screen.
Everything worked reasonably well. Responsiveness was a bit slow but not bad. All input devices—the Mac mini’s Magic Mouse, Magic Trackpad, and Magic Keyboard, along with the MacBook Air’s built-in laptop keyboard and trackpad—behaved as expected. Dependability was decent; closing and reopening the MacBook Air’s lid had no effect on the Mac-to-Mac Mode link.
Because the MacBook Air and Mac mini connected over Wi-Fi, I was able to work anywhere within the range of my Wi-Fi network. In fact, I wrote much of this article on the MacBook Air in my first-floor living room, wrapped in a warm blanket on the sofa (because winter is nigh here in Minnesota), with the Mac mini running on the second floor in my home office. Sweet.
3: MacBook Air As Primary Computer
Until now, my Mac mini has served as the primary computer in my Mac-to-Mac Mode experiments, with my wife’s MacBook Air as a secondary display. But what if I flipped things around and made the MacBook Air my primary computer, with my Mac mini’s LG monitor serving as a secondary display for the MacBook Air?
That’s where the Mini DisplayPort version of the Luna Display dongle comes in. I plugged it into the MacBook Air for use with the primary Luna Display app, and then I ran the Luna Secondary app on the Mac mini. The goal was to extend the MacBook Air’s Desktop onto the LG display, via the Mac mini. At least, that was the idea.
Unfortunately, I could not get this setup to work reliably. The Mac-to-Mac Mode connection crashed repeatedly. At times I could move the cursor between displays, but at other times, it refused to move.
It was a mess, as AstroHQ’s Matt Ronge acknowledged when I got in touch. He said his team was scrambling to fix bugs that interfered with the use of the Mini DisplayPort model of the Luna for Mac-to-Mac Mode connections. I plan to check back on this and leave any updates in a comment below.
For now, though, although I can recommend the USB-C version of the Luna Display dongle with Mac-to-Mac Mode, if your main Mac only has a Mini DisplayPort or Thunderbolt 2 port, hold off for a bit.
Revisiting Luna Mac-to-iPad Mode
Dusting off my Luna dongles, months after writing about how they enable iPads as secondary Mac monitors, allowed me to revisit that scenario — and compare it to Apple’s equivalent, the Catalina Sidecar feature I reviewed just last month.
Because of Sidecar’s oddities, the Luna approach came as a relief in some ways. Of particular note: Using macOS with touch on an iPad screen is better with AstroHQ’s implementation. You can reach out and do just about anything with a fingertip — which seems sort of obvious, right? Ah, but as I detailed in my Sidecar review, fingertip interaction will work for some things on the iPad screen, and not others. In many cases, an Apple Pencil is required. Ugh.
So, for those who can afford the purchase of the Luna hardware, this is the best way to turn an iPad into a Mac display. Because Sidecar is free, though, most people will end up using that — which is fine since it works reasonably well, the touch issues aside, and should get better over time.
Mac-to-Mac Mode: Bottom Line
Using one Mac as a secondary display for another Mac will not have occurred to most users because, until now, this has been possible only under narrow circumstances involving specific iMac models. And, as Adam Engst notes, Apple’s Target Display Mode doesn’t work very well.
AstroHQ, scrambling to remain relevant after being Sherlocked, has therefore done the Mac world a huge favor with its Mac-to-Mac Mode. Though not yet fully baked, especially on the DisplayPort end, Luna hardware and its related software are a godsend for those with extra Macs ready to be repurposed as second displays.
This, of course, comes at a cost—the Luna dongles don’t come cheap, so every prospective user will have to weigh whether this is money well spent.
Monitor use as imac 5k
Can I use iMac 5K as external monitor?
iMacs released from late 2009 through mid-2014 can be used as external displays. Those that followed cannot, starting with the 27-inch 5K late-2014 edition.
What is iMac 5K resolution?
The Retina 5K iMac models from the “Late 2014,” “Mid-2015,” “Late 2015,” “Mid-2017,” “2019” and “2020” lines all have a 5120×2880 native resolution, but by default run “pixel doubled” at a setting that looks like 2560×1440, it just has four times the detail of a “traditional” display.
What is retina iMac?
Learn about the Retina display built into your Mac. The pixel density of Retina displays is so high that your eyes can’t detect individual pixels at a normal viewing distance. This gives content incredible detail and dramatically improves your viewing experience.
Is the iMac retina display worth it?
While the regular iMacs boast gorgeous displays, they just don’t have the pixel density of the stunning 5K Retina version. If you want the 21.5-inch iMac size, which is 1920 x 1080 in resolution, there is no Retina option, so forge ahead. In a few years, yes, more people will be producing higher resolution video.
Is retina display better for your eyes?
“The resolution on a retina screen is actually better than what the human eye can discern,” says Dr. Lord. The iPhone 11 has a resolution of 1,792 x 828 with a pixel density of 326 pixels per inch, the same as the iPhone XR.
Is 5K Retina display worth it?
The 27-inch 5K Retina display of the new iMac is a tech masterpiece, and among the main reasons the product is worth buying. With almost 15 million pixels, it’s super sharp, as well as incredibly bright. The panel supports a wide array of accurate colors, so it’s ideal for creative work, too.
Is retina display bad for your eyes?
Many consumers report eye problems from computer Many consumers report health issues from retina display and other high-resolution screens. Some complain that within hours, days or weeks of upgrading to a retina display or similar device, they get unprecedented headaches, eye fatigue, blurred vision, and even nausea.
Which screen is best for eyes?
Research shows that viewing screens with a downward gaze is the most comfortable for the eyes because it encourages a more natural blink rate. Ergonomic research suggests and optimal screen height of 15-20 degrees below eye level.
Is IPS better for eyes?
IPS or MVA Monitors In contrast with other types of panels, the liquid crystals in IPS monitors shift horizontally in order to create better viewing angles, impressive image quality, and precise color accuracy. MVA panel monitors provide better viewing angles, outstanding color reproduction, and higher contrast ratios.
Should I Buy a 4K computer monitor?
With more and more content being available in 4K resolution each day, getting a 4K monitor seems like an inevitable move. Higher resolution means more details and better image quality for your favorite TV shows, movies and games as well as more screen real estate for your spreadsheets and web-surfing.
What type of monitor is easiest on the eyes?
BenQ 24 Inch IPS Monitor Proprietary Eye-Care Tech. This 24-inch monitor from BenQ has an aspect ratio of 16:9 and a maximum resolution of 1920 by 1080. It is a flat LED with an IPS panel type. It uses a proprietary eye care technology that is supposed to reduce blue light and flickering.
Is IPS display better than LED?
The advantage with LED-backlit TVs is lower power consumption, longevity of the backlight and a generally brighter picture. In-Plane Switching (IPS) technology is another type of LCD TV technology. These panels are more accurate in their picture reproduction and show more accurate colour from narrow viewing angles.
Does a large monitor reduce eye strain?
A large screen with a good resolution gives more working space than a smaller screen. A larger screen will offer better clarity. That does not mean a smaller screen is going to cause eye strain.
Where should light be when using computer?
When you use a computer, your ambient lighting should be about half as bright as that typically found in most offices. Eliminate exterior light by closing drapes, shades or blinds. Reduce interior lighting by using fewer light bulbs or fluorescent tubes, or use lower intensity bulbs and tubes.
One of the handy features of older iMacs was Target Display Mode, an option that allowed you to use an iMac as an external display. While the feature hasn’t been offered in iMacs since 2014, there was hope floating around in the Apple community that it might make a return with the new M1 iMacs. Unfortunately, the new all-in-one Macs don’t list support for Target Display Mode but there is a third-party workaround.
The new iMacs feature what looks like a really nice display. At 4.5K (4480 x 2520), the 24-inch Retina panel is sharper than the 24-inch 4K LG UltraFine and features P3 wide color, True Tone, 500 nits brightness, and anti-reflective coating, all in a super-thin 11.5 mm chassis.
And with a starting price of $1,299, that level of 4.5K display along with the M1 Mac Apple was able to fit inside feels like a great deal (the 27-inch LG UltraFine still sells for $1,299) – even more so if users were able to use it as an external monitor.
Target Display Mode was last supported in the mid-2014 iMacs and earlier (non-Retina models) and Apple officially killed the feature with macOS Mojave and later.
While it was probably a long shot to hold out hope for Target Display Mode being revived with the new M1 iMac (and Big Sur), it would have definitely added value for those with multiple Macs.
In the tech specs for the new M1 iMac, Apple only details support for video output, not input:
However, even though there’s no official Target Display Mode support, third-party software/hardware solution Luna Display features a Mac-to-Mac mode that looks like it should work with the new iMacs.
Extend your display to any Mac using Luna Display’s Mac-to-Mac Mode. Need a larger display option? Use any extra Mac computer as a second or extended display of your primary Mac computer. Dust off your old Macs and use them as an external monitor!
This does require the $99 Luna Display USB-C dongle (just one of them) but is a nice option to get that Target Display Mode/extended desktop flexibility back into your workflow with two Macs with both wireless and wired setups.
Another option is Duet Display, which offers Mac to Mac and PC support for use as external displays. Along with wireless support, Duet Display works with wired setups too.
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You’re reading 9to5Mac — experts who break news about Apple and its surrounding ecosystem, day after day. Be sure to check out our homepage for all the latest news, and follow 9to5Mac on Twitter, Facebook, and LinkedIn to stay in the loop. Don’t know where to start? Check out our exclusive stories, reviews, how-tos, and subscribe to our YouTube channelSours: https://9to5mac.com/2021/04/21/m1-imac-target-display-mode/
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