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Questions tagged [displayport]

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

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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 ...
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1answer
21 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 ...
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1answer
11 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 ...
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1answer
16 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 ...
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30 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 ...
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1answer
46 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 ...
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1answer
95 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 ...
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1answer
48 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. ...
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9 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 ...
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1answer
38 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 ...
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2answers
32 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 ...
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0answers
17 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 ...
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1answer
21 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 ...
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0answers
171 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 ...
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1answer
311 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 ...
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0answers
10 views

How can I debug an unrecognised display in High Sierra?

My external monitor recently stopped being recognised by my MacBook Pro (Early 2011 - 8,2, High Sierra, 10.13.6) I have reset PRAM / SMC and tried a number of troubleshooting steps as outlined in the ...
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31 views

Two USB C monitors from a single Thunderbolt port?

Any number of docks exist which demultiplexes both DisplayPort signals from the Thunderbolt bus and also provides USB C ports some at 10gbps even but I can't find one that puts the DisplayPort signal ...
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95 views

Full HD not working on MBP 13 2017 with external display at 60hz

MacBook Pro: Mac OS Majove Version 10.14.2 MacBook Pro 13-inch, 2017, Two Thunderbolt 3 Ports Intel Iris Plus Graphics 640 1536MB external Display: LG27UD58/b: 4K-60hz@DisplayPort, 4k-30hz@...
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1answer
43 views

External display will not come back after power-off while connected to MBP 2017 with Display Port

My LG 34UC88-B ultrawide display has a weird issue: After the laptop goes to sleep - ~50% of the time, when the machine is woken up the display will not wake-up/power on. My MBP (macOS) thinks the ...
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1answer
105 views

Issues with screen not coming on when Mac is running

I run a Late 2012 Mac Mini running 10.13 High Sierra with a Dell QHD monitor via DisplayPort. I've seen two different cases where as far as I can tell the Mac is running (HDD light flashing, etc) but ...
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1answer
102 views

External 4K display with 2012 MacBook Pro 15"

I have a MacBook Pro Retina mid 2012 and have bought a couple of BenQ 4K EL2870U monitors. I've connected the two monitors up to the MacBook through a couple of Mini Display Port to Display Port ...
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1answer
2k views

How to use 2 FullHD monitors to one Type-C port on Macbook Pro 15 2018?

I've seen multiple questions were people are told you can't really use one port but it depends on your adapter and how you use it. I have a startech USB-C to 3 HDMI adapter: And I've been using this ...
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1answer
929 views

Mac mini 2018 HDMI surround sound output

I have a new Mac mini 2018. I want to get surround sound over HDMI. I have a receiver that is capable of transmitting 5.1 surround sound to my speakers, and HDMI video to my projector. I have ...
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1answer
65 views

Strong inteference from mini DisplayPort

I have a 2015 Macbook Pro 15", and when I connect the mini DisplayPort to my external monitor, the WiFi speed drops significantly (from > 100 Mbps to < 10 Mbps). I noticed that the WiFi noise level ...
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1answer
47 views

Dual external monitors: Blink on wake

I have two HP 24es monitors connected to my MacBook Pro. The input to the monitors are via HDMI. One connects directly to the MacBook Pro via a HDMI cable. The other connects via a HDMI to DVI, DVI to ...
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1answer
134 views

Mac external displays are now in the wrong order

I have a 2017 27" iMac that generally has one external display, connected to the DisplayPort port of a OWC Thunderbolt 3 Dock. This display is always connected to my mac. Occasionally I will also ...
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1answer
75 views

Does Graphic Card affects on picture quality and color depth?

For upgrading to Mojave, I had to change my old Nvidia cheap card to a new AMD Radeon Metal 2 support card. I have an IPS monitor and did not change it, but from when I did change the card I feel ...
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0answers
47 views

External monitor not properly recognized on iMac pro

I have an external monitor for my iMac Pro. It is connected via an USB-C to Displayport adapter from Moshi. Unfortunately, it behaves not optimal: If the monitor is switched on while the iMac is ...
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0answers
251 views

Macbook Pro 2018 cannot wake up Dell 2713h until unplugged

I have Dell 2713h that has been working well with miniDP <-> DP cable with my previous Mac (Early 2013). I got brand new Macbook Pro (2018) with only USB-C ports, got Unitek USB-C <-> DP ...
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1answer
44 views

Will a 4K external monitor create a sharper display when connected to my MacBook Pro

I recently connected my MacBook Pro Retina, 15-inch, Late 2013 running 10.12.6 to the Asus PB238Q 23-inch via the mini display cable to VGA cable. The max resolution of the external monitor is 1920 x ...
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1answer
426 views

How to connect 3 External Monitors in Macbook Pro 13 2017 without Touchbar

I am currently connected to 2 external monitors + the Macbook Display. I want to add additional monitors, so that I can have 3 external monitors along with the Macbook's display. I know that you can ...
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0answers
774 views

External display not recognized after waking from sleep until restarted

I have a MacBook Pro (Retina, 13-inch, Early 2015, macOS High Sierra 10.13.6) which fails to detect an external display after is has woken up from sleep. Here's my situation: I have an external ...
2
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1answer
307 views

Thunderbolt to Displayport Connector

I'm trying to connect a 27" iMac Thunderbolt Display to a late 2009 21.5" iMac. It's my understanding that the thunderbolt display cord (with little lightning icon on it) will not work in the mini ...
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1answer
766 views

Displayport to USB-C or GPU card for eGPU with Thunderbolt Output

Background: I purchased an LG Ultrafine 5k monitor per Tim Cook's recommendation. This only has a Thunderbolt-3 input. Awesome monitor, but very limited when it comes to what you can drive it with. ...
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1answer
52 views

Can I use MST on one mDP and 4k on the other?

I have a mid-2015 MacBook Pro 15" retina (A1398), and I'm trying to setup external displays as follows: 4k tv (TCL 43s405) @60 hz with mDP to HDMI adaptor 2x HP VH240A 1080p using mDP to 2xHDMI MST ...
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2answers
3k 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 ...
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2answers
753 views

External display works on 30Hz

I have MacBook Pro (13-inch, 2018, Four Thunderbolt 3 Ports) with macOS High Sierra installed. I plugged it in to external display: LG 24UD58 24" via DisplayPort through USB-C For unknown reason ...
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2answers
2k views

2018 MacBook Pro + Dell U2718Q, single cable for display and USB data

Can I connect a 2018 MacBook Pro to a Dell UltraSharp 27 4K Monitor (U2718Q) with a single cable that carries both the display data and the data for the USB ports of the display? I tried a USB-C to ...
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0answers
25 views

Second monitor not working on startup

I have a 2017 iMac 21.5" 4K with Retina display. My Mac is connected to a second 4K monitor using a Thunderbolt 3 to DisplayPort cable. If I connect the two of them there is no problem, everything ...
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0answers
198 views

External monitor blurry when MacBook lid is closed

I have an external ASUS PB287Q monitor connected to my MacBook Pro via a display port adaptor. The display settings are as follows: I am using 1080p because when using Default for display the ...
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1answer
155 views

Dell P2314H Monitor Cannot Connect to Macbook Pro

I've got a late 2013 model 13 inch Macbook Pro with Retina Display, and a new Dell P2314H monitor. I keep getting a message on the monitor saying its going to sleep. I've tried the following: ...
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1answer
72 views

Does the new Macbook Air (2017) work with Apple Cinema Display?

I'm interested in buying a MBA (2017 model), which has Thunderbolt 2 ports. Does it work without problems with an 27" LED Apple Cinema Display (with Mini DisplayPort)? Will the display have full ...
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2answers
2k views

MacBook [Pro] - how many displays, what resolution/frequency?

How do I find out the number, type, resolution & refresh rate of additional monitors I can attach to my MacBook or MacBook Pro? This is an attempt at a canonical QA, as per the Meta QA - Where is ...
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1answer
143 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 ...
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0answers
67 views

MBP 13" 2017 nTB external display issues when used with 2 DELL external displays

I have a MBP 13" nTB 2017 which i am intending to use with 2 DELL monitors (U2414H and U2417H) as extended desktops. However, i am facing some weird issue with the display issues shown in this video. ...
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1answer
247 views

Connecting 2 HDMI monitors with 2 adapters on both side of USB-C port on 2018 MacBook Pro

I am thinking of buying 2 of this adapter for my Macbook Pro 2018? By plugging the adapter from both side of the USB-C ports, can i connect it to 2 external HDMI monitors?
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1answer
1k views

Connect 23” Apple Cinema HD Display to MacBook Pro USB-C

I’ve gotten my hands on an older 23” Apple Cinema HD Display and would like to use it with my late 2016 MacBook Pro with only USB-C ports. I’ve researched this issue, and I can only find answers from ...
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0answers
410 views

USB-C to DisplayPort Cable Problem

I bought this USB-C to DisplayPort cable in order to connect my iMac Pro to this monitor. However, the cable does not work, the iMac does not even recognize the monitor. I tried with a non-Apple ...
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3answers
495 views

How can I compensate for red blue font discoloration in 2018 MBP Displayport?

I recently moved from a 2017 macbook pro to a 2018 macbook pro with a configuration like this: # Works perfectly MBP 2017 -> USB C -> Displayport -> Dell Ultrasharp U2415 # Red / blue ...
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0answers
28 views

Is there a dongle (or set of dongles) that allows a USB-C MacBook Pro to be connected to an Apple Cinema Display? [duplicate]

I am looking for a USB-C or Thunderbolt 3 dongle that has mini DisplayPort, at least 1 USB 2/3 port, and a USB-C power delivery port. The idea is to have a single cable between my laptop and my mini ...