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joshmdy
5
Aug 8, 2017
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WARNING: 2016 MacBook Pro users!!!
I did quite a bit of research on this display before purchasing, but some details were not clear to me before the display arrived. One of the main reasons I bought this display was the advertised convenience of using a single USB-C cable to send video signal to the monitor while simultaneously charging my MBP. However, THIS FUNCTIONALITY DOES NOT WORK FOR THE 15" 2016 MACBOOK PRO.
When connected via a single USB-C cable, the charging icon is displayed over the battery in the MBP's status bar as if it is charging...but clicking the battery icon for more details reveals a "Battery not charging" message. When I discovered this, I began searching to see if anyone else had encountered the same issue. I wasn't able to find any similar reports (early-adopter problems), but more importantly, there was no documentation on the power rating for the USB-C port on this display — not on LG's website or anywhere else. I found this odd considering the fact that the all-in-one USB-C functionality was advertised as a key feature of this product. Eventually, I found my answer on Apple.com while reading about the power delivery capabilities of the LG UltraFine 4k Display (https://support.apple.com/en-us/HT207447) — a different display, but THERE IT WAS:
"The UltraFine 4K won't fully power 15-inch MacBook Pro from 2016 and later, which requires 85W. If you try to power your 15-inch MacBook Pro through the display, your notebook's battery will be utilized during times of heavy activity. To fully power your MacBook Pro and charge its battery, connect your 15-inch MacBook Pro to its Apple 87W USB-C power adapter when you use it with the UltraFine 4K."
A call to LG support confirmed my findings: THIS DISPLAY CANNOT CHARGE THE 2016 15" MACBOOK PRO. In the end, a real bummer, but not necessarily a deal-breaker for me. I just wish there had been some sort of documentation on this before I made my purchase.
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Side note 1: this display should have a USB-C to USB-C cable in the box. Mine was missing. If you don't receive one either, LG support should be able to send you the one you are owed.
Side note 2: the USB-C cable that came with your MBP does not support video, so you won't be able to use it with this monitor.
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UPDATE: LG has added a note on the product page for the USB-C charging limitations of this display. It is at the end of the text beneath the "All-in-One Connection" section on this page: http://www.lg.com/uk/monitors/lg-43UD79
Aug 8, 2017
Jac101
5
Aug 11, 2017
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joshmdyHaha, that's why you look at all the specs before you buy it
Aug 11, 2017
Rochambeaux
348
Aug 11, 2017
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joshmdyNothing surprise you when it comes to Apple. They live in a proprietary world. Proprietary = profit.
Aug 11, 2017
Michal72
0
Aug 14, 2017
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joshmdyI've tried to connect my MacBook Pro (new 2017 model) through USB-C cable but there is no signal. I've used original USB-C cable which was deliver together with Mac and also another. No problems if Mac is connected via HDMI interface. Why it doesn't work?
Aug 14, 2017
Michal72
0
Aug 14, 2017
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joshmdyRegarding - Side note 2: Do you know how to recognize which USB-C cable is right to support video?
Aug 14, 2017
joshmdy
5
Aug 14, 2017
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Michal72You won't be able to charge and connect your MBP to this display with only one USB-C cable. You will have to use your MBP charger for power and a USB-C cable that supports video to connect to the monitor. This was the silliness I was talking about in my original post :/ so much for single cable ease of use.
Aug 14, 2017
joshmdy
5
Aug 14, 2017
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Michal72Unless it is printed on the cable by the manufacturer, you pretty much have to try it out for yourself — or buy a new cable.
Aug 14, 2017
MindJuice
117
Sep 9, 2017
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RochambeauxHow can you say this is Apple's fault? LG are the morons that made the monitor too weak! They even had help from Apple with the UltraFine 4K, but still were too stupid to give it enough power to charge the main laptop it was designed for! And now with this monitor, they've had way more time to get it right and still screwed it up.
Sep 9, 2017
Rochambeaux
348
Sep 10, 2017
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MindJuiceYou forget that the % of Apple laptops/desktops in the global environment is tiny. Why should a company put all that extra effort into design that only helps a small number of potential buyers - and is a totally niche function. Charging your laptop from a monitor? Seriously? I want my monitor to brew me a mocha latte. Doubt it will happen soon.
Sep 10, 2017
MindJuice
117
Sep 10, 2017
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RochambeauxSIgh....the troll is strong with this one. Oh well...here goes.
No, I didn't forget that, because it's not true.
Apple's market share is over 12% in the U.S., hardly "tiny" (obviously smaller globally, but it's hugely dragged down by old PC use in third world countries where these monitors are not likely even sold).
On top of that, I seriously doubt those sorts of numbers. Feels like they are counting Windows machines from 1995 to get their high numbers. I don't personally know anyone that uses Windows anymore. My entire company is on Macs, my previous entire company was on Macs. All my friends and family use Macs. Where are all these Windows users? Nevermind...I don't want to know.
Anyway, any monitor manufacturer that is making a monitor with USB-C these days should expect that nearly 100% of people that want it for USB-C are Mac users, since there are essentially zero PC users that want it for USB-C, so you know, maybe the USB-C should actually work properly on those monitors for Macs.
And "all that extra effort" is merely pumping out a few more watts of power. Pretty basic for any electrical engineer.
As for wanting to charge my laptop from a monitor, yeah seriously. What are you, some sort of multiple-cable-loving sicko? I HATE extra cables. If your laptop can charge from your monitor, who the hell would NOT want that?
And as for you doubting it will happen soon, I've been charging my 15" MacBook Pro at work for months over USB-C from my monitor. My power cable is sitting lonely at the bottom of my desk drawer where it belongs.
Sep 10, 2017
Rochambeaux
348
Sep 10, 2017
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MindJuiceAnd the snark is string with you..
Actually when I see USB on peripherals like monitors I think of phones, other low current devices (mice, keyboards) or thumb drives. The vast majority of consumers will be plugging those into a monitor and using an an actual video port for the monitors primary function - being a monitor.
I also doubt those numbers - the Apple number is too high. And yes I know something about this. Work for a major PC manufacturer and see those numbers on a regular basis.
Sep 10, 2017
MindJuice
117
Sep 10, 2017
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RochambeauxAh, you work for a PC manufacturer, so now we know where your bias against Macs come from. When a company with a vested interest in PCs pays someone to measure the PC market, it would be no surprise to get numbers in your favor.
Seeing USB as only a mechanism for phones, mice and keyboards is a thing of the past. USB-C can transfer 40Gbps, so why not take advantage of it? I plug in one cable to replace power, video, Ethernet and USB. So much cleaner. Next step is to get rid of that cable.
Sep 10, 2017
Rochambeaux
348
Sep 10, 2017
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MindJuiceNo bias came before I worked in the industry. My first wife worked for Apple back in the 90's. I gave their products a fair and honest go on many occasions (as recently as 4 years ago). While they are beautiful pieces of craftsmanship, from a capabilities standpoint I can't justify paying the ridiculous markup just for the logo. I guess I'm old/secure enough that I don't need the logo "cred" that comes with carrying around an overpriced tool.
Full disclosure: as recently as last year I purchased a personal gaming laptop from a competitor company because I felt those that my company offered didn't compete well price/performance wise. I even emailed the product manager of said product in my company with a very detailed "review" from a consumer point of view.
Sep 10, 2017
MindJuice
117
Sep 10, 2017
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RochambeauxI couldn't care less about "cred" of the logo either. I pay more because of the craftsmanship you mention (and the vastly better OS, but that's another conversation!). A high quality tool vs. a piece of plastic garbage costs more. If you aren't willing to pay more for that, fine, but many of us are and it has nothing to do with the logo. I'm sure there are some people that buy anything just because of the logo, but it's not fair to paint all Mac buyers with that brush.
As a developer, this is a tool I use 8+ hours every day for 3-4 years before replacing it, so it's certainly worth it to me to get something of better quality. Actually the computer I'm writing this on is a mid-2012 Retina MacBook Pro, which is still running as well as the first day I bought it. I'll probably update it later this year (although it's not really necessary). It's been an amazing machine and well worth the $3,000 I paid for it in 2012.
Sep 10, 2017
1MORLAP
0
Oct 17, 2017
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Michal72Yes, it says HIGH SPEED on it. It is short and fat... you can find them in Amazon. Also apparently LG owes us a cable, as mine did not come with one either,
Oct 17, 2017
vpizzitola22
4
Aug 4, 2018
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MindJuiceWhat monitor are you using? It doesn't work on my 43inch...
Aug 4, 2018
kartiksathappan
97
Oct 29, 2018
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joshmdyDoes it work with scaling (HiDPI) modes with your MacBook?
Oct 29, 2018
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