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Questions tagged [displayport]

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

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18 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 ...
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0answers
10 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 ...
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1answer
22 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 ...
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2answers
147 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 ...
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2answers
33 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, ...
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0answers
33 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 ...
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1answer
32 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 ...
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2answers
55 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 ...
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59 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/...
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0answers
56 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 ...
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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 ...
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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 ...
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0answers
79 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 ...
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0answers
90 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 ...
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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 ...
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0answers
22 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) ...
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112 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 ...
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1answer
354 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
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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
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1answer
21 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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0answers
56 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
88 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
248 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
214 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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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 ...
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1answer
115 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
47 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
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 ...
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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 ...
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0answers
322 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 ...
2
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1answer
831 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
17 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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0answers
44 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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1answer
52 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 ...
0
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1answer
211 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
174 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 ...
3
votes
1answer
6k 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
1k 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 ...
0
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1answer
86 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 ...
1
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1answer
92 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 ...
1
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1answer
205 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
188 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
57 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
272 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
51 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 ...
2
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1answer
575 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 ...
5
votes
0answers
1k 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
votes
1answer
363 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 ...
0
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1answer
987 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
70 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 ...