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Questions tagged [displayport]

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

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12 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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27 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
28 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
22 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
54 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 ...
2
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1answer
60 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 ...
2
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1answer
265 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
48 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
32 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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29 views

Late imac 2013 - thunderbolt connection from mac pro 5.1 mini displayport - external monitor, possible?

I've spent hours trying to find out if it is possible to connect a 2010 mac pro to a late 2013 iMac. the iMac has two thunderbolt ports, the 5.1 mac pro I have, has an ATi card with two mini ...
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1answer
45 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
25 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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28 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
102 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
38 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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0answers
193 views

MacBook Pro 2018 with LG Ultra HD usb-c > DisplayPort problems

I have MacBook Pro (13-inch, 2018, Four Thunderbolt 3 Ports) all usb-c ports and I am using HDMI cable to connect it to my LG ultra HD monitor. The monitor is able to display 4k@60Hz. HDMI is working ...
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1answer
146 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
104 views

Unable to get 4K @ 60Hz resolution

I have a Macbook Pro 2017 and an LG 27UD68-P UHD 4K IPS display. I recently purchased this DisplayPort to USB-C cable, but I'm still unable to get 4K resolution at 60 Hertz. The options for refresh ...
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0answers
201 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
191 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
379 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
36 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
1k 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
265 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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0answers
18 views

Why is Auto-adjust brightness/contrast disabled for Dell P2411H connected with MBP via DisplayPort

I connect Dell P2411H with MBP-2017 (with Type-C) with Apple recommend moshi Type-C to DP cable. With this connection, the auto-adjust for brightness/contrast is disabled for the secondary monitor. ...
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2answers
933 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
23 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
153 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
101 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
54 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
654 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
86 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
53 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
208 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
768 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
264 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
315 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
25 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 ...
3
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1answer
208 views

Can I attach an Mac mini to a VGA monitor using an HDMI/VGA adapter?

Can I attach the Mac mini to a VGA monitor using an HDMI/VGA adapter? I have a new Mac mini I'm trying to attach to an old monitor that has VGA and DVI inputs. I have VGA cable and HDMI/VGA adapter ...
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1answer
149 views

Maximum number of Full HD 1920x1080 displays supported on Macbook Pro 15" 2016 and later?

Is there a limit to how many Full HD 1920x1080 displays are supported on the 15" Macbook Pro 2016 and later? If a single USB-C port can currently give you up to 2 video outputs either through a TB3 ...
2
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0answers
103 views

HDMI sound keeps dropping out after last update - macOS 10.13.5

I have an external monitor connected to the MacBook Pro 2017 with touchbar, and everything was working fine until the last update, now every day I have to reboot the computer to get back the sound ...
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0answers
38 views

Monitor Speakers Disappear overnight

I've connected to a monitor (34UC88-B) to my MacBook Pro (Late 2016, no Touch Bar) through a DisplayPort to USB-C connector. The monitor has speakers that I use when I'm connected to it. Everything ...
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0answers
162 views

MacBook Pro 15" displayport/DVI problem

I'm having issues with the video out. When I tried to connect the MacBook to the projector (Christie) via DVI it splashed the macOS desktop for 1 second then a message appeared saying "encrypted" (the ...
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1answer
29 views

Are there adapters for MiniDisplay port screens to HDMI video cards

I am wondering if I can connect an Apple Cinema Display with a MiniDisplay port to an HDMI video card.
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1answer
111 views

USB-C to Displayport cable or adapter

I'm using MacBook pro 2017 15 inch and i just got 3x DELL U2518D UltraSharp monitors to connect to my macbook pro. What I actually need is best possible solution to connect this external monitors to ...
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0answers
207 views

2560x1440 @ 60 Hz HiDpi on a MBPr 13" Late 2013

My setup: Late 2013 13" MacBook Pro Retina (MBPr) Dell P2715Q (4k) monitor Connect the MBPr with the monitor using a mDP-DP cable SwitchResX shows me the following resolutions: I tried the ...
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0answers
19 views

Both monitors only detect Apple display port

Both of my two monitors, an Acer P215H, and a Dell E228WFPC, couldn't detect any signal from my Mac Pro mid 2015 when connected using the two adapters, in the first picture, either via DVI or VGA. ...
3
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1answer
812 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 ...
2
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0answers
341 views

Headless Mac Mini can display 2560x1440 after being plugged into, then unplugged from an external monitor, but only goes up to 1920x1080 after restart

I am using a Late 2012 Mac Mini exclusively through Screen Sharing on my MacBook (Both on 10.13.4). The only way I could get the Mac Mini to full resolution was to: Close connection from my MacBook ...
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0answers
1k views

Why would updating to High Sierra 10.13.4 kill one external monitor but leave another identical one working?

I have a 21" Retina iMac (2017) with two ASUS PB258Q monitors, each connected to a USB-C port via a StarTech USB-C to DisplayPort cable. Since I updated to 10.13.4, only the left monitor works—even if ...