Questions tagged [displayport]

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

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9 views

Can MacBook Pro late 2011 DisplayPort work with Asus MG279Q?

My MBP has 8GB RAM but otherwise standard, on OS 10.13.6. Using Mac's Mini-Displayport to Monitor's DisplayPort (Asus cable) the MBP recognises the monitor and offers various resolutions including ...
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23 views

MacBook Pro can't get more than 2048 x 1152 on my QHD Dell monitor through Mini DisplayPort to HDMI adapter (4K capable)

Short story: My MacBook Pro (Retina 13" Late 2012) can't run 2560 x 1440 on new QHD monitor (Dell S2719DM - Only has HDMI ports) through a 4K Mini DisplayPort to HDMI adapter. Why and how to fix? ...
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1answer
20 views

Disabling MBP display with external monitor connected in Clamshell Mode - Works with DP->DVI, but not DP->DP

I have an issue discussed previously on Ask Different but have not found a solution in my use case. I have macOS High Sierra installed on a MBP 6,2 (i.e. a vintage 15" i5, mid-2010, NVIDIA GeForce GT ...
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1answer
60 views
+50

Connect a Thunderbolt display and a DisplayPort display to the same MacBook Pro

I'm trying to connect the old generation LG UltraFine 4k Display (USB-C DisplayPort) and the old generation LG UltraFine 5k Display (USB-C Thunderbolt) to a 13" MacBook Pro from 2019 (with 4 ...
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1answer
25 views

Viewing external video input over mini displayport [duplicate]

I use an iMac as a nice large external display for a laptop on occasion. However swapping between the external input and the OSX desktop view means I can't view both at the same time (Cmd+F2). I ...
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2answers
38 views

USB-C dock with HDMI graphics on Late 2013 MacBook Pro

I have two MacBook Pros, a 2017 model with Thunderbolt 3 ports, and a late 2013 Retina with TB2 and USB3 ports. I use a HP USB-C Dock G4 docking station for the 2017 model. I have two 1080p HP ...
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12 views

Why won't my external display detect its native resolution?

3 days ago I bought a Dell SE2219HX display (22") and connected it to my non-retina MBP mid 2012 model. I also own a HDMI extension that is to be connected to the display port but for some reason it ...
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1answer
45 views

2018 Macbook Air hot/slow when using UHD monitor

So I upgraded from a 1080p 27 inch monitor to the following Samsung 32" UHD 4K Monitor Model: LU32J590UQNXZA I've tried connecting over HDMI using a USB C dock, and over Displayport with a ...
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1answer
29 views

External Monitor Ghosting (MBP 2016)

I tried to connect an Eizo Flexscan EV233W to My Macbook Pro using an SVGA cable (suspiciously cheap, but the only one available) and a VGA - Type C adapter. The image on the external display was ...
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Can the 2019 MBP 13'' i7 16gb support a (flawlessly) 1440p 165hz monitor? [duplicate]

I have a 2019 MBP 13'' with i7 quad 8th and 16gb ram, and I am considering buying a 1440p 165hz Dell to pair with it. This has a displayport port only. I am looking for flawless performance, no ...
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36 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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91 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
66 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
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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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43 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
76 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
83 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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165 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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114 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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43 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
44 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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245 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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1answer
294 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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32 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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142 views

No more video output over USB-C

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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204 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
1k 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
60 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
29 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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93 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
156 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
393 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
678 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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1answer
218 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
124 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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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
80 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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417 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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2answers
1k 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
21 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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59 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
59 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
284 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
294 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
10k 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
2k 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
103 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
125 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
250 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
332 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 ...