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MacBook Air & Pro External Displays – Tips for Buying & Using

Buying an external display for a MacBook Air or MacBook Pro? Here’s some quick buying tips, including how to find a cheap, thin, full HD screen for $152.

Already got an external screen? There’s tips for the best way to use your external monitor with your MacBook.

Most of these tips also apply for getting a main display for the Mac Pro and Mac Mini, as well as getting a second iMac external display. Read on for tips, and a bit about Apple’s new Thunderbolt Display.

Tips for Buying an External Display for a MacBook Pro or MacBook Air

  1. Get a wide screen. They’re great for wide content, like video or spreadsheets. They’re also good for viewing two windows side-by-side on one screen. Luckily, widescreens are pretty much standard now.
  2. Get a full HD (1080p) screen instead of a lower resolution screen. Lots of pixels means seeing lots of content with good detail. Less scrolling to do. More context. Full HD screens (1920 x 1080) are now cheap – $170 for an entry-level display.
  3. Buy around a 24 inch size. If you get a smaller HD screen, it may be hard to read. I find 30 inch and larger screens too big to take in – it’s like being at an IMAX, I’m moving my head around excessively to take in the contents of the screen. With a 30 inch plus screen, I also feel washed out from all the light blasting into my eyes all day.
  4. Strongly prefer screens with a DVI port. Other ports will work (VGA and HDMI), but DVI was designed for high resolution digital computer monitors. If the screen only has a VGA port, it’s probably pretty old technology. If the display only has HDMI ports, the display is intended as TV – it may be fine, but it probably wasn’t designed to be a computer monitor, to be used close up, for a whole day. To me, TVs have a different quality to their image – I haven’t asked a tech about why – whether the panel, refresh rate, viewing angles, color range or image processing is different between an LCD monitor and an LCD TV.
  5. Make sure the screen is bright enough for you. Nearly all screens have sufficient brightness now, but there are still cheap screens with low brightness and contrast. A dull screen makes you stare harder to perceive everything.
  6. If you’re collaborating with others, consider screens with wider viewing angles. Cheap screens can become hard to see as soon as you stand up (the panel’s vertical viewing range) or move left or right (the panel’s horizontal viewing range). The more expensive the screen, generally the further you can move and still see the image properly. This means others can sit or stand beside you, and check out your project.
  7. Try out higher-grade screens. More expensive screens have more accurate color (gamut), they’re brighter, have better contrast ratios, faster response, and have HDMI interfaces (e.g. for a Blueray player). Better screens do “feel” better to work off – there’s a crispness that makes them easy to read, yet not tiring. Sometimes the quality difference is only obvious side-by-side: you could check out a few external screens at a computer store.
  8. Buy a Mini DisplayPort to DVI Adapter. Apple sell them ($29). You’ll need it to connect your MacBook Air or Pro to the external display.

At home, I was on a budget and got an AOC RAZOR LED e2343F 23.0″ Full HD LED Monitor Ultra-slim 12mm, LED Panel & Backlight for $169. (This was in Australia from i‑Tech.) I was shocked by how good the image was for the price. It’s light & slim. The white base looks strange with the black bezel. At the time of writing it’s available in the U.S. for $152, according to Google Product Search.

At work, I have a LG display. It’s more expensive than the AOC screen ($250 vs $169), and a bit bigger (24 inch vs 23 inch). For me, the LG feels like just the right size. The LG can also rotate in its stand to a vertical orientation (i.e. portrait/tallscreen instead of landscape/widescreen). Portrait mode is useful for word processing , or designing pages for print, where you can see a whole page at a time. If you’d like the LG’s product code, leave a comment below, and I’ll look it up.

Tips for Using External Screens

  1. Turn the screen brightness down to where your eyes feel relaxed. It took me 28 years to work this out! Over bright screens wear me out. I can feel my eyes straining. Make the screen bright enough so the color is good, and text is readable, yet soft enough that your eyes don’t feel achy.
  2. Have a main screen directly in front of you, with a keyboard and trackpad in front of it. I’ve run off two screen systems for years. When I sit in the middle of two screens, my neck is either twisted left or right all day. Not so good. I’ve found it works better to have a a big screen directly in front of me, with windows I look at 90% of the time. I then put the smaller screen to one side, with windows that I look at less often (e.g. email or a webpage I have open to refer to). Since the laptop will be the smaller screen, this means springing for an external keyboard and mouse. Worth it. If you use the wireless Apple keyboard and trackpad or mouse, it’s easier to take your MacBook away – two less cables to unplug.
  3. Three screens may not be heaven. I’ve ran off three screens for about six months. I slowly noticed three screens felt crowded and that I got tired from three screens blasting photons at me. Dropping back to a single big main screen front and center has felt much better, and I’ve got more energy at the end of the day.
  4. Try one big screen, instead of a big screen plus laptop on the side. If it feels better with just one big screen, you can close your MacBook Pro or Air and it will keep on running (instead of sleeping), provided your external monitor, keyboard and mouse are connected. Ah, the simple life!

Apple Thunderbolt Display

Apple has offered a fairly giant Mac display display for awhile, both as a separate screen – the 27 inch Cinema Display, and well as built in to the 27 inch iMac. Now the Cinema Display has been upgraded to the 27 inch Thunderbolt Display.

Thunderbolt technology uses the video cable to send high speed data to external devices as well as sending video to the monitor. The Thunderbolt Display has a Gigabit Ethernet port, a few USB ports, a Firewire port, and a webcam, and they all come courtesy of plugging in one tiny mini DisplayPort connector to your Mac Pro or Air. You can daisy chain more Thunderbolt devices onto the monitor, like disk arrays.

Thunderbolt turns the tiny “Mini DisplayPort” connector on the current MacBook Air and MacBook Pro models into a docking station connector. You can flounce around with your tiny two pound, 11 inch MacBook Air. Then get to the office (or come home), plug in one tiny cable, and suddenly that tiny laptop has become a big powerful computer workstation, with a big display, fast networking and large capacity disk storage. It makes the Thunderbolt connector the modern day equivalent of a docking station, but way more convenient.

I suspect it’s the way computing will go: light, small, fast, thin laptops. When you need big screens and storage, you just plug in one cable. Thunderbolt, made by Intel, is finding its way on Windows PCs and laptops in 2012. One day day you’ll probably be able to just plug your iPad or iPhone into a Thunderbolt Display to get a full sized workstation.

I tried out the Thunderbolt Display’s predecessor, the 27″ Cinema Display. It is a gorgeous display. It has the same crazy better-than-HD resolution: 2560 by 1440 pixels. (Full HD is 1920 by 1080 pixels.) It’s pretty big – I don’t know if I could live with the “IMAX head swivel” effect, but perhaps it would work if I put a big distance between the monitor and I – I’d need a deep desk. I’d really like to try one out for awhile. (If you have one, please comment below to let us know how you find it!)

I mention the Thunderbolt Display in case you have the money, appreciate the quality, and it’s not too big for you. I’ve tested the new MacBook Air running a Cinema Display, which has similar screen specifications and video technology to the Thunderbolt display – you can see the video at MacBook Air external display.

Thanks!

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Can a MacBook Air run a large external display?

Can the latest MacBook Air handle a large external screen? Is the Air powerful enough? How is the response? Is there any flicker? To find out, we tested the new MacBook Air with the 27 inch Apple LED Cinema Display. See the video of the test for yourself.

Can the MacBook Air Handle Big External Displays?
– The Short Answer

Photo of a 27 inch external screen being used by a mid-2011 MacBook Air i5 11 inch model
The new MacBook Air 11″ happily using a 27 inch Apple LED Cinema Display

The short answer is yes. The new MacBook Air ran the big, high resolution Apple LED Cinema Display without any sense of strain. Windows, images and videos moved on the monitor with fluidity and crispness.

From reports on the web, the Apple LED Cinema display may flicker with both the MacBook Air and Pro, when at a brightness below level 7. There doesn’t seem to be a fix yet.

For this article, we just did a quick test. To be completely sure the MacBook Air can drive your screen, please test your screen with a MacBook Air to your satisfaction before buying. Tests with other monitors, different applications, alternative cables and extended use may reveal more.

If this enough information for you? If so, please help share this article by clicking the Tweet or Google +1 buttons above. If you’d like more details, or to see video of the test, please read on.

What If You Want a Cheaper External Display?

If you don’t want to spend $1,000 on an Apple Thunderbolt Display, I’ve written some tips for buying a cheap external display for MacBook Air. I’ve included the name of the brand & model I personally use – only $152 for a 23 inch full HD screen, as well as tips for using an external display, born from long experience.

The Graphics Processor in the New MacBook Air

Before covering testing the MacBook Air with a big external display, it’s worth mentioning the graphics processor in the MacBook Air (MBA). The graphics processor in the MacBook Air is the Intel HD Graphics 3000. This HD 3000 graphics processor is actually part of the  MBA’s Intel Core processor –  they are a single silicon chip.

What sort of graphics performance can you expect? As a low cost graphics solution, the HD 3000 uses the Mac’s main memory, rather than dedicated graphics memory. Mid to high-end video cards use dedicated graphics RAM like GDDR5, because graphics RAM is much faster than the computer’s main memory. Specialized graphics memory provides the extraordinary performance needed to handle modern three dimensional (3D) graphics on big screens. There is a cost for this performance: fast graphics cards with dedicated memory use more of a laptop’s battery, generate heat, causing fans to run creating noise, add to the laptop’s size and cost more. These disadvantages – battery life, laptop size, fan noise from heat and cost are why the Air uses an integrated graphics processor.

The HD 3000 is fine for two dimensional graphics (2D) graphics, typical in web browsing, word processing, spreadsheets, Photoshop, music production and basic video editing.

The HD 3000 handles high definition video playback – hence the HD in the name. I’ve only tested the MacBook Air with HD 720p resolution video. (Sorry: it was a quick test, the Air didn’t have any 1080p samples on it, and I didn’t have admin rights to install Flash to play a full HD video.)

The HD 3000 also does 3D graphics. The 3D graphics on the Air are only good enough for playing basic games or older games. If you are a gamer, do not buy a MacBook Air – graphics will not update quickly or smoothly for modern games. For gaming, the MacBook Air is the wrong tool for the job.

If you’re needing a more powerful graphics processor for 3D modelling, professional video editing, special effects production or gaming, buy a MacBook Pro instead. That’s what a MacBook Pro is for!

The Setup for Testing the MacBook Air with a Large External Monitor

I tested connecting a high resolution external display to the new MacBook Air 11 inch mid-2011 model, with a Core i5 processor. I chose this model as it is smallest and least powerful of the new MacBook Air models, with a 1.6 GHz Core i5 processor. If this model can handle a big screen, the faster and larger variants of the MacBook Air (11″ i7, 13″ i5, 13″ i7) should have no problems.

We tested the MacBook Air with a 27 inch Apple LED Cinema Display. The Apple Thunderbolt display, which evolved from the LED Cinema Display wasn’t available yet. The maximum resolution for an external display for the 2011 MacBook Air is 2560 by 1600 pixels. I tested with the LED Cinema display as its resolution – 2560 by 1440 pixels – is very close to the MBA’s maximum.

Luckily, the Apple LED Cinema Display is the forerunner to the new Apple Thunderbolt display, so I could get an idea of what the Thunderbolt display will be like.

Connecting Displays to the MacBook Air

The new MacBook Air connects to external displays through its Thunderbolt port.

The Thunderbolt port is the physically the same as the Mini DisplayPort in previous MacBook Air models and other Macs. The Thunderbolt port is backward compatible with the Mini DisplayPort. Thunderbolt expands on Mini DisplayPort’s ability to connect displays, adding the capacity to connect high speed peripherals through the port. High speed storage or a fast Gigabit Ethernet network connection can be added through Thunderbolt.

Thunderbolt’s backward compatibility with Mini DisplayPort means you can connect displays to the MacBookAir with VGA, DVI, Dual-Link DVI and HDMI cables, as long as you have the correct Mini DisplayPort adaptor.

Testing a Big Screen with the New MacBook Air

We connected up the great big LED Cinema Display. The mid-2011 MacBook Air can run even a big, super highres display like the Apple LED Cinema Display!

First we tried web browsing. Web pages came up on the screen, no sense of slowness or lag when using the external display.

Testing Full Screen HD 720p Video on an External Monitor

We then tried playing a fullscreen HD 720p video on the big screen:

As you can see, the 720p video played very cleanly on the big Apple display.

I would have liked to test full HD 1080p video playback, but there was no 1080p video loaded on the Air. Streaming 1080p from YouTube also wasn’t possible, as the MacBook Air didn’t have Flash installed, and I didn’t have admin access to install Flash. Sorry.

Testing Interface Responsiveness with Two 720p Videos on the External Screen

In the next test we run iMove, start two 720p videos and then show all windows using Mission Control. Notice how responsive the interface is.

MacBook Air and Flickering on Built-In and External Displays

There are cases of screen flicker with the previous model MacBook Air’s built-in display, show on YouTube, and described on the Apple Support Forum. Apple replaced the user on YouTube’s MacBook Air and he said he loves his MacBook Air.

The reports of a flicker on external screens with previous MacBook Air models (late 2010), for example on Cult of Mac and MacRumors.

I’ve had flickering on my MacBook Pro to my 24″ screen – colors flicked on and off. The issue was due to the Mini DisplayPort adaptor not being pushed all the way in, or the monitor’s cable being loosely connected to Mini DisplayPort adaptor. Ensure all the video connectors were flush fixed the problem.

There are also reports of flickering on the 27″ LED Cinema display at low brightness levels with the new mid-2011 MacBook Air. The flickering happens with the brightness set below 7. This has been confirmed by multiple people and appears to happen with MacBook Pros as well. It appears to an issue with the display’s power supply.

Given this affects both the MacBook Air and Pro, which have different graphics processors and chipsets, chances are this is a power-related Apple Cinema Display problem. This issue has not been resolved.

Conclusion

The 2011 MacBook Air did an excellent job of driving the 27″ Apple LED Cinema Display. The MacBook Air will probably have no problems driving most external screens with reasonable 2D graphics and video performance.

Reports on the web say a flicker occurs on the Apple Cinema Display at a brightness below level 7. This is probably a Apple Cinema Display problem.

This was just a quick test. Technology is never perfect. Different cables, monitors, or apps may yield different results. If you are want to be completely sure the MacBook Air can drive your screen, please test your screen with a MacBook Air before buying.

If you’re looking for a cheap MacBook Air display, remember I’ve written some external display buying tips, including the brand & model of screen I use.

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