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Questions tagged [displayport]

Questions that relate specifically to Macs and peripherals with DisplayPort hardware (not Thunderbolt).

1
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1answer
24 views

Why does my Displayport monitor not turn on when selecting a boot drive?

I'm on OSX 14.5, with a MacPro 2013. I have an ASUS Displayport monitor, and ordinarily it works fine, both in OSX and from Windows 10 on a Bootcamp partition. But if I boot the Mac holding Option to ...
7
votes
1answer
3k views

Constant flickering on my external display

I've recorded a 7 second video of it here: http://youtu.be/2k9P59Z32wE. Basically, the screen will alternate between a fuzzy picture, color bars, and then black every ~2 seconds or so. Technical ...
0
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0answers
11 views

2009 Mac Pro with 2018 LG 5K Display?

I have a 2009 Mac Pro (flashed to 5,1) with a Sapphire Radeon Pulse RX 580 8GB GPU I acquired to support Mojave. The configuration has been happily stable since late 2018 and performed as expected ...
0
votes
1answer
257 views

Macbook Pro 2018: No Sound over Displayport after sleep

i use a Macbook Pro 2018 13" with the last Mojave Version. For better work, i use the LG 34WK95U-W as external Monitor over Thunderbolt 3. Always is fine. The Macbook is still loading over the Monitor ...
2
votes
2answers
3k views

Possible to get 1440p from a 2012 Mac Mini via mini DP -> HDMI adapter?

I recently purchased a 2012 Mac Mini and am attempting to max out my dual monitor setup. Currently, I connect my Mac to a Dell S2417DG's HDMI 1.4 in via this passive mini DP to HDMI 1.4 cable. ...
0
votes
1answer
24 views

Cannot get 60 Hz on MBPr 13" 2018

I connect my Macbook Pro 13" 2018 with Mojave 10.14.5 to the external display Fujitsu P27-8 TS UHD via adapter Dell DA301. All the components of this chain are capabale of 4k@60Hz. However, I can only ...
6
votes
5answers
40k views

Dell WD15 Dock with 2017 MacBook Pro

I have a 2017 MacBook pro w/ touchbar and the Dell WD 15 dock (work issued it to me). The dock has thunderbolt, HDMI, and VGA on the back. A single USB-C cable comes off of the dock. The issue I have ...
0
votes
2answers
156 views

Will macOS Catalina 10.15 support 8K displays?

Now that Apple has announced their 6K display, the question is will they also support 8K displays? They talked a lot about 8K video streams in the WWDC 2019 Keynote, but there is no mention whether ...
1
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2answers
34 views

Apple Cinema Display 27" with early 2015 MacBook Pro

I have a 13" early 2015 MacBook Pro with retina, and i am considering buying a second-hand 27" Apple Cinema Display. The 27" LED with single cable with three connectors (Mini DisplayPort, MagSafe, ...
2
votes
0answers
35 views

Display port not activating monitor for boot manager

I'm setting up an old mac mini (specs below) with a dual boot (Ubuntu) and I've run into an issue getting to the Apple boot manager or the EFI boot manager. Essentially the monitor does not activate ...
1
vote
3answers
2k views

Can I use Apple's Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter for Target Display Mode on an iMac?

Apple's support page for the Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter lists support for Thunderbolt Displays and no support for Apple DisplayPort displays. However it doesn't say anything about ...
7
votes
3answers
4k views

How do I control Macbook volume when a DP display is connected?

When I plug my Mac into a DisplayPort monitor that has loudspeakers, the Mac's volume controls become disabled. Is Apple assuming that if I have external speakers I am so much better using their ...
4
votes
2answers
1k views

4K 60Hz over DP with Late 2013 Macbook Pro 15" + Dell P2415Q?

I have a Late 2013 15" Macbook Pro with discrete graphics. According to this Apple support page: https://support.apple.com/en-us/HT206587 this model supports 4K 60Hz over MST. I just purchased a ...
4
votes
1answer
659 views

External monitor's (DELL U2415) refresh rate locked at 59.88 Hz (NTSC)?

I bought a DELL U2415 monitor and connected it via a MiniDP to DP cable that came with the monitor. Surprisingly the refresh rate of the monitor was locked at 59.88 Hz (NTSC), unlike a U2414H ...
1
vote
1answer
34 views

Should a late 2012 Mac Mini be able to drive these two monitors?

A Raven MTi2, which is 1080p on HDMI, and an LG 34U97, which is 3440x1440 on Mini DisplayPort. It works sometimes, but after an hour or so the LG just says "Out of Range". Sometimes with them both ...
2
votes
1answer
858 views

MacBook Pro 13" (2018) cannot drive 4k display @ 60Hz from right-hand USB-C ports

I have a new MacBook Pro 13" (mid-2018 Touch Bar). I'm connecting an LG 27UD88 external display directly via the supplied USB-C cable, which is also used to provide power to the laptop plus allows the ...
1
vote
2answers
56 views

mac mini multi-display reconfiguring repeatedly

I have a new mac-mini with HDMI + 2 thunderbolt-hdmi adapters. Waking up the mini results in screen blanking repeatedly as it adds and removes displays. Repeatedly. Like 20 times. For 2+ minutes. I ...
0
votes
0answers
65 views

How to fix blurry fonts on external monitor?

My setup: Macbook Pro 2018 15" (Mojave 10.14.4) AOC G2460PF 24" DP to USB-C cable. When I use the same monitor on Windows, I can see crystal clear but on mac fonts/texts seems to be low quality/...
0
votes
0answers
17 views

MacBook Pro MiniDisplay to HDMI, Detects external display but the monitor is not getting input [duplicate]

I have a mid 2012 Macbook Pro running macOS Mojave 10.14.4. When I plug in the external monitor it detects the display however on the external monitor screen it say no input. I have checked all ...
0
votes
0answers
57 views

Getting an error when i connect external monitor Unable to find display pipe for IOFB service

I have a mid 2012 macbook Pro running Mojave 10.14.4 when i plug in the external monitor it detects the display however on the external monitor screen it say no input. I have checked all connections ...
0
votes
1answer
28 views

How to chian two External Monitors with Macbook Air 2017 13" [duplicate]

About the Mac: Mac OS Mojave Version 10.14.4 (18E226) MacBook Air (13-inch, 2017) I wish to connect two external monitors with following specifications with my Apple device. one pure HDMI other ...
0
votes
0answers
99 views

Best way to connect 2018 Macbook Pro to external display using a dock?

I have 2018 Macbook Pro with usb-c ports which I would like to connect a Dell UltraSharp U2715H monitor. (I have installed the DisplayLink software as recommended to ensure the monitor will work with ...
0
votes
0answers
98 views

Connect 30" Apple Cinema HD Display to 2018 Mac Mini

I am trying to run an Apple Cinema HD Display (30") from a 2018 MacMini. I have tried all kinds of HDMI- to DVI adaptors but so far no luck. I have also tried these connectors with a MacBook Pro ...
0
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0answers
25 views

How can I show the login prompt on primary monitor when using dual displays?

I have a dual monitor setup with a 2018 Mac mini running Mojave. The main monitor uses a Thunderbolt 3 connection (Samsung C34J79x) and the second monitor uses DisplayPort (Dell 2412M). I have the ...
4
votes
7answers
5k views

Adjusting brightness on 27" iMac used as external DisplayPort monitor for PC

I have a Windows7 64-bit machine attached to a 27" iMac as an external displayport monitor It's working well, except I cannot adjust the brightness. I have attached a Mac keyboard both on the Mac &...
1
vote
0answers
25 views

No more video output over USB-C [Solved]

I bought an LG 27UK600 a while ago, to go with my 2016 Macbook Pro. It worked perfectly for about 3 months, until a few days ago, when the Macbook's display did something weird (some strange colors) ...
0
votes
0answers
120 views

macbook pro external monitor flickers when plugged in via mini display port to dvi

So the xternal monitor connected to my mbpro mid 2012 flickers when I'm using a mini dp to dvi. I can solve this porblem by using a mini dp to vga instead. problem is it won't output the native ...
0
votes
1answer
391 views

MacBook Pro 2017 daisy-chaining with DisplayPort [duplicate]

I have a 2017 13" MacBook Pro (with two USB-C ports) with Mojave and wish to use it to daisy-chain a display to two external monitors through DisplayPort. Unfortunately, it seems that although the ...
0
votes
1answer
25 views

Connect Macbook Air with external monitor

I have a MacBook Air (13-inch, Mid 2013) that uses an Intel HD Graphics 5000. I also plan to buy the monitor that is supposed to have connectors for DisplayPort and HDMI with a resolution of 2560x1440 ...
0
votes
1answer
22 views

Connecting external display to Early 2015 MacBook Pro [duplicate]

Does Early 2015 MacBook Pro output 4K 3840 via Mini DisplayPort to DisplayPort? I seem to get only HD max option on YouTube videos. I have a Samsung U32J590U 31.5" 4K UHD monitor. If not, do I have ...
0
votes
0answers
58 views

4k @ 60hz Not working with Display Port - MacBook Pro 2015

I have been at this for hours and hours and its frustrating me very much. I recently purchased a 4k monitor and was unable to achieve 60hz on HDMI, then I learnt I needed to use DisplayPort to Mini ...
3
votes
2answers
982 views

Can I output 1080p at 240hz from my 2017 MacBook Pro 13inch with Touch Bar

I just bought an Acer XB252Q gaming monitor that has 1080p 240hz. I was wondering if I can output 1080p at 240hz with my 2017 MacBook Pro 13" with Touch Bar using a display port cable? I ask because ...
0
votes
2answers
2k views

Can I connect 2 monitors to my 2015 Macbook Pro Retina via 2x DisplayPort connections?

I have 2x 24" HD monitors. Each has VGA, DVI and HDMI ports. I want to use both of them without mirroring. I do not want to use my MacBook's own screen (it will be closed) when I connect the others. ...
23
votes
8answers
42k views

Connecting multiple devices to the 2016 MacBook Pro with Touch Bar

I'm thinking about buying the new MacBook Pro with 4 USB-C ports. I want to attach two screens, mouse and keyboard and ethernet to the MacBook Pro while using the fewest number of USB-C ports ...
1
vote
1answer
91 views

External monitor HDMI vs Displayport

I just got a nice 4K monitor (LG 27ud68p-b) and, when connected to my 2017 MBP 15" via USB-C to HDMI, the refresh rate is noticeably slow and results in choppy moving images. Even when it's not a very ...
1
vote
1answer
237 views

MacBook with Lenovo C-Dock duplicates image on external monitors

I connect my MacBook Pro with Thunderbolt 3 to a Lenovo C-Dock, which connects 2 external monitors through 2 DisplayPort cables. The problem I have is that the 2 external monitors mirror each other. ...
2
votes
1answer
592 views

How to reach QHD resolution (external display) on MacBook Pro mid 2012 non-Retina

I have a MacBook Pro mid 2012 non-Retina (specs) and an AOC monitor with QHD res, but I cannot get it to reach over 1080p. On the Apple page linked before there is this: Dual display and video ...
2
votes
2answers
901 views

Connecting Mac Pro with NVIDIA GeForce GTX 9XX to Apple Thunderbolt Display

I'm finding conflicting information about this topic on the web, so I thought I'd raise the question here. I'm wanting to use an Apple Thunderbolt Display with an NVIDIA GeForce GTX9XX series card in ...
0
votes
0answers
13 views

MacBook Air (2014) through an Apple Mini DisplayPort-VGA adapter

I've connected a high-resolution projector to my MacBook Air (2014) through an Apple Mini DisplayPort-VGA adapter. It gets quite blurry even for fonts, lines and greyscale on the projector. How do I ...
0
votes
0answers
387 views

Blurry output to projector

I've connected a high-resolution projector to my MacBook Pro Retina through an Apple Mini DisplayPort-VGA adapter. It gets quite blurry (even for fonts) on the projector. Here are the settings. How ...
1
vote
1answer
121 views

External Monitor Flickering when Chrome is running

I have a new macbook, v 10.14.3. It is connected to two external monitors -- both of them DELL which are connected via a DELL docking station using mini Displayport cables which came with them. My ...
0
votes
2answers
50 views

Adding a second monitor via ethernet

My DisplayPort connection is buggy and will only work when in a position that I can't ever seem to find. I've sent it off to repairs and the guy said that the board connecting to the socket is cracked ...
5
votes
5answers
3k views

Connect Apple 30" Cinema Display to new MacBook USB-C

I noticed in this thread the OP successfully managed to connect a 30" cinema display to the new Macbook Pro USB-C, with full resolution: Connect New MacBook (USB-C) to Apple Cinema Display 30" (...
0
votes
3answers
615 views

Black bars on external display

I am connecting my 2015 MacBook Air 13" to an external display via the Thunderbolt-to-VGA adapter. There are black bars on each side of the external display screen. How can I remove the bars? ...
0
votes
0answers
18 views

Cables required to use 2010 iMac as second monitor for Macbook [duplicate]

I have a 2016 Macbook and would like to use my 27" 2010 iMac as a second display for it using Target Display Mode, but I am a bit unsure as to what cable(s) I require, or if it is possible. The ...
0
votes
1answer
45 views

DisplayPort unable to display in 2560x1440

I have a mid-2015 MBP running Mojave with 1 HDMI and 2 Thunderbolt 2 ports. I have two 32 inches Acer monitor - same model - EB321HQU with max resolution of 2560x1440. My monitors do not have ...
0
votes
1answer
215 views

Macbook Pro (late 2016) suddenly stopped detecting my external monitor after a 3h hibernation

Macbook Pro (late 2016) suddenly stopped detecting my external monitor after a 3h hibernation after working flawlessly for two weeks. I've verified that my monitor works fine with my Windows PC. I'm ...
3
votes
0answers
509 views

MacBook Pro 2017 doesn't connect Dell U2713HM via (Hama) USB-C to DisplayPort adapter but MacBook 2016 works

I am trying to connect MacBook Pro 2017 to Dell U2712HM monitor. I bought Hama USB-C to Display Port adapter but it does not work with MBP 2017. When I plugged it, it does not recognize it - nothing ...
0
votes
0answers
329 views

Can't get DELL U2717D to display retina quality on macbook pro 2017

I have a Dell Monitor U2717D and I tried connecting it to my 13 inch MacBook pro 2017 running MacOS Mojave. I tried using different cables such as 4K HDMI to USB C, DisplayPort to USB C, etc.. but the ...
1
vote
2answers
1k views

Signal Problems between 2015 Macbook Pro and Dell 4K P2415Q Monitor

I just bought a P2415Q Monitor and connected it to my 2015 Macbook Pro with the DisplayPort to thunderbolt cable that was included with the monitor. It seemed ok at first, but after the first time the ...