Questions tagged [displayport]

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

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21 views

Can I use two USB-C to HDMI/DVI cables to hook up to two monitors from my MacBook Pro (2017)?

I want to add a second monitor that is connected to my MacBook Pro. Right now I am using a USB-C Apple adapter which allows me to plug the HDMI to HDMI cable from the adapter to the monitor. I want to ...
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1answer
22 views

Can a USB-C to mini DisplayPort cable be used with USB-C to Thunderbolt ports?

I have the above cable for my current set up of sending display from my PC laptop with a USB-C port to my 2010 iMac with a mini DisplayPort port. It works great. I have now bought a mid-2011 iMac that ...
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1answer
52 views

How can 2020 16" MacBook Pro output to 2 displays that also get used by a PC? (See diagram)

I have a new 2020 Apple MacBook Pro with two Thunderbolt 3 USB-C ports on each side, and I have an old desktop Windows 10 PC with a GeForce GTX 970 graphics card that has 2 DVI outputs, 1 HDMI output, ...
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18 views

External monitor not working with Mini Display Port to Display Port adapter or cable

I just bought a Phillips 245B monitor with QHD (2560x1440) so I could run it in native resolution with my MacBook Pro (15-inch, Mid 2010) and its NVIDIA GeForce GT 330M GPU. Unfortunately with a Mini ...
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1answer
27 views

Bidirectional Charging on Macbook Pro (2019)

I am using a bidirectional USB-C to Displayport cable (CableCreation PN: CD0738) to connect my 2019 Macbook Pro to a BENQ PD2700U monitor. The description stated that this would allow not only video ...
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24 views

How to connect a Macbook Pro 16 to a high refresh rate monitor

I was recently looking to build a desktop setup powered by a 16 inch Macbook Pro (2019). My biggest quarrel with Macbooks are their 60hz refresh rate screens and lack of graphical power due to using ...
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1answer
13 views

Why aren't 2 external monitors working with MBP (mid 2014)?

So I have 2 external monitors; One is hdmi, the other is DisplayPort. I have a MBP mid-2014 model which contains 2 Thunderbolt 2 ports as well as an HDMI port. Theoretically I would have thought I ...
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13 views

Issue with Secondary monitor attached to macbook pro/ air

I have following mac laptops MacBook Pro (Retina, 15-inch, Mid 2015) running high Sierra MacBook Air (Retina, 13-inch, Mid 2012) running Catalina I use Asus 24' monitor as external display with these ...
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16 views

External USB-C dock monitor recognized by Macbook Pro 13 but not 16

I recently upgraded from a 2018 13" Macbook Pro (with touch bar, if that matters) to a 16" MBP. I've used a USB-C lapdock (HP elite x3 lapdock) as a portable external monitor for the 13"...
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13 views

External monitor blinks when connected to MBP 13'' 2018 through USB-C to DisplayPort cable

When I have my Macbook Pro 13'' 2018 connected to the external display LG 27UL550-W monitor. The monitor often blinks (becomes black) for a second or so randomly. It happens even when the MacBook is ...
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2answers
39 views

How to scale the graphics for Mac OS

I recently purchased this 2k monitor on Amazon. I'm connecting my 2015 Macbook Pro 15 inch w/ retina display using a DisplayPort Mini to DisplayPort cable. I'm currently running Mac OS Mojave. These ...
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1answer
33 views

Macbook randomly shutdown 4k external monitor

I have a Macbook 16inch connecting to Dell 24inch 4k P2415Q with Moshi USB-C to Mini DisplayPort, bought from Apple. After 1-2 hours the monitor just shut down like there's no signal, macbook still ...
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2answers
77 views

External Monitor Blurry text and Sluggy Mouse on MBP 2020

I have bought the MBP PRO 2020 13" after lot of struggle convincing my family for lot of money. Thinking it would help me ease my work and help me with my work. However,The problem is I feel like ...
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11 views

Disable audio output device fallbacks

I have a Mac Mini connected to my Dell monitor via DisplayPort. I also have a PS4 connected to the same monitor by HDMI. I use my monitor to output all my audio as I have my speakers plugged into it. ...
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1answer
757 views

Macbook Pro 16" USB-C to DisplayPort not working

I'm trying to connect a MacBook Pro 16" to my external display through DisplayPort with these devices : Cable Matters Adaptater USB C to DisplayPort DisplayPort Cable External display : iiyama ...
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14 views

Mac OS forgets 2nd display

MacOS Catalina, 10.15.6. iMac27 late 2012. I have connected two external displays to my iMac and it often works quite well for a long period of time, but then suddenly, after waking from display sleep ...
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1answer
19 views

How to check what communication mode is being used with an external monitor over the USB-C/Thunderbolt plug

If I understand correctly, if you connect an external monitor to a Mac there is more than one way the signals can be sent to the monitor. It could be HDMI, it could be USB Two-lane Displayport, it ...
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41 views

External Display Issue - iMac Late 2015 Retina with Dell U2520D (25" 2560x1440) - Fuzzy Text

Computer: Late 2015 iMac 27" Retina (Catalina 10.15.5) External Monitor: Dell U2520D 25" Monitor. Connected using mini-displayport to displayport The text in the mac os is fuzzy on my ...
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20 views

External Monitor Resolution Issue

I am using a Acer 27-inch (68.58 cm) Full HD - KG271 Cbmidpx (Black) monitor with my MacBook Pro (13-inch, Mid 2012). I am using it for the past 2 weeks. It was working fine till yesterday. Today ...
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2answers
125 views

Display configuration problems with Mac Pro

I have a Mac Pro (trash can) with dual D600 graphics connected to 3 x 4K displays using mini-DP to HDMI cables that are rated to work 4K @ 60Hz. Due to the size of the mini-DP connectors, I can fit ...
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0answers
8 views

MacBook Pro (13-inch, Mid 2012) does not recognise Yamaha YHT-1840

I connected my MacBook using MiniDisplay+HDMI cable to input port on a receiver. I connected my Projector to output port on receiver. All works great I can see a video and I can hear 5.1 audio. But ...
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15 views

Connecting and using two external monitorson MacBook Pro early 2015

I have been using an LG 5K monitor hooked up to my MacBook Pro via one Thunderbolt 2 on one female connection for quite a while. I tried to hook up an AOC E2752S via HDMI to Thunderbolt 2 to the ...
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1answer
73 views

MiniDisplay port to HDMI to optical 5.1 audio only has 2-channel output

I have a Macbook Air 2017. My goal is to have an optical output capable of 5.1 audio for my home theatre. My series of connections are, mini display port to hdmi and the hdmi connected towards hdmi to ...
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1answer
83 views

Diagnosing macos locking up when external displayport monitor connected

Whenever I connect my MBP to an external monitor via a DisplayPort cable the OS pretty much locks up. I have a new 2020 13" MBP running Catalina 10.15.5 (19F101). I'm trying to connect it to an ...
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1answer
25 views

How does CalDigit Thunderbolt 3 Mini Dock support two displays from one USB-C port?

According to the FAQ for the CalDigit Thunderbolt 3 Mini Dock, two different monitors can be connected in extend mode through the single USB-C port. How is this possible if MST is not supported? Why ...
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1answer
115 views

MBP Mini-DisplayPort to USB-C Monitor

I have an "old" MacBook Pro (MBP) that has a Mini-DisplayPort connector. I have a newer MBP with 4 USB-C connectors that I use with an LG UltraFine 5K Monitor (aka. LG 27MD5KA-B). I wanted to know ...
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0answers
14 views

max resolution for external monitor with iMac 5K [duplicate]

I was just about to get a LG 49WL95C-W (5120 x 1440) for my iMac Retina 5K, 27-inch 2017, (either with a USB-C Thunderbolt 3 or USB-C to DisplayPort) but I was told the iMac might not be able to ...
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1answer
31 views

27" iMac with mini display port and Windows 10 - use in target display mode?

I have a 27" iMac, with a mini-display port. I do not have MacOS installed on it. Instead I have Windows 10 installed on it. Can I enable target display mode using this configuration? If not, how ...
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1answer
28 views

External Display not displaying full OSD function tech said solution is HDMI Adapter?

I would like to start off saying I have 0 tech knowledge and this staying at home period has forced me to learn alot! So recently I bought a new 4k monitor to upgrade my work at home experience. ...
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1answer
162 views

How to get 60Hz on a 4K Monitor using a 2018 Mac mini

I do a lot of work with music, and have two external 4K displays hooked up to my Mac mini. I’m using two LG 24UD58-B monitors, but I cannot get 60Hz out of them using an HDMI cable, which is then ...
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1answer
25 views

Macbook pro 13" (2018) compatible external monitor [closed]

Can someone recommend a 27" or 24" monitor that works with MacBook Pro 13" (2018 with 4 thunderbolt ports) connected through HDMI or DisplayPort (not VGA). The budget is 250$ at most, purpose is ...
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0answers
44 views

No DVI-D Cable for Dell P2210 [duplicate]

I am trying to set up a work station with two monitors (Dell P2210) for my Macbook Pro 2017. Monitor 1 is connected with VGA cable using Apple Mini DisplayPort to VGA Adapter. Monitor 2 is connected ...
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2answers
402 views

Connect MiniDv camcorder via USB C & Firewire or MiniDisplay port

I'm looking to transfer MiniDv tapes to my 2017 Macbook Pro via a USB C connection. The camcorder has a Firewire 4-pin connection. Therefore I'll need a few converters in order to be able to import to ...
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0answers
19 views

4k@60hz on MBP mid 2015 (intel iris 1536 only) HOW? [duplicate]

Right now i can only do 4k@30hz through the hdmi port. I get "No Signal" when i connect using a mDP to DP cable on the same monitor. What steps would I take to get 60 Hz @ 4K display?
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1answer
17k views

What are the requirements to use iMac screen as a second monitor - Target Display Mode?

I have a Surface Pro 4 and an iMac (late 2019). I would like to connect my Surface Pro to the iMac to use the iMac screen as a second monitor. Is that possible? What are the requirements to use an ...
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0answers
106 views

Do I need SEIKI SE39UY04 latest firmware for resolution to work on my Mac?

I am a bit late to the party here... I procrastinated far too long in getting the firmware updates, for my 2 SE39UY04 monitors... to the point that SEIKI no longer has them available... I find myself ...
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0answers
902 views

MacbookPro sometimes uses incorrect 3440x1440 resolution for 5120x2160 external monitor (TB3)

I have a 15" 2019 MacBook Pro and a LG 34BK95U monitor (business version of 34WK95U - same hardware, longer warranty). The correct resolution of the monitor is 5120x2160 and sometimes everything ...
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0answers
20 views

Every several minutes, all my open windows re-adjust their content and text layout

Every several minutes, my computer nearly halts as it all the windows have their content re-adjusted. It seems as though all the text, at least, is being re-rendered. Perhaps the entire window's ...
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3answers
41 views

How do I set up 3 monitors to a Mac Mini

I have 3 monitors which I want to connect to my Mac Mini. 2 x HP and 1 x DELL. All 3 monitors have HDMI cables. I already have a Thunderbolt adapter but it only has one HDMI port. The adapter is ...
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0answers
365 views

Windows resized after sleep with external display connected to Macbook Pro via DP to usb-c

I have an external display ASUS VG279 connected to my MBP 2018 via Display Port to USB-C cable by moshi (sold on Apple's website). I use 1080p resolution for the display and my macOS version is ...
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2answers
474 views

2015 Retina iMac Unable to Display 4k@60 Hz on My External Monitor

Recently I purchased a 4K monitor for my Mac. I have a MiniDP to HDMI 2.0 converter and a HDMI 2.0 cable. I connected my late 2015 Retina iMac to the external monitor. I was able to get 4k@30hz on my ...
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0answers
132 views

Issues while connecting an external display to my MacBook Air 2015 using a DisplayPort adaptor

The other day I started having a random issue connecting an 1080p external display to my connected to my MacBook Air 2015 using a Mini DisplayPort to HDMI adaptor that I've used for about 6 months. ...
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0answers
501 views

No video output over USB-C

I recently purchased a DELL U2719DC Display. Ive had the display for about 2 months with no issues. I'm using it with a MBP ~2018(only has usb c ports). Since yesterday I can't get the display to work ...
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0answers
9 views

Only 1080p on my second monitor while it should be 2560x1600 [duplicate]

So I just bought a new screen (the LG 27UL500) which should support 4K to connect with my Macbook Pro. I've connected my Macbook Pro with an Mini DisplayPort to HDMI connector (which should support 4K)...
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0answers
166 views

4K monitor not showing in 4K on my Macbook Pro (late 2011)

I just bought a new monitor (the LG 27UL500) which should support 4K to connect with my Macbook Pro. I've connected my Macbook Pro with an Mini DisplayPort to HDMI connector (which should support 4K) ...
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0answers
19 views

Thunderbolt monitor not reacting when connecting to MacBook Pro 2010 [duplicate]

MacBook Pro mid 2010 with High Sierra(10.13.6) running. I wanted to connect Thunderbolt Monitor through the mini display port, but the monitor does not respond. I checked system specification, but ...
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0answers
45 views

MacBook Pro does not detect the third screen

I am trying to connect two Dell screens to my Macbook Pro 13" via a Dell dock. One screen is using HDMI cable and the other one a DisplayPort cable to connect to the dock and I am connecting the ...
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0answers
24 views

MacBook Pro MST (Daisy Chains) with Samsung S27H85 [duplicate]

I am trying to get the following setup to work: Connect MacBook Pro (13", 2018, 4 USB-C Ports) to two Monitors (Samsung S27H85). I want to use MST, because I am hoping for the following result: ...
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1answer
55 views

With a 2019 MBP, are there any benefits to driving a 4K display via Displayport (1.4) vs HDMI (2.0)?

I have an LG550 27" 4K monitor that has HDMI 2.0 and DisplayPort 1.4 connectivity. When driving it from a MBP 2019, I can use my dock's HDMI-USB-C adapter or an USB-C to DisplayPort Female ...
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0answers
31 views

My second screen is being recognized as a TV despite being a proper computer monitor

I'm on an iMac 5K 2017 and I've connected my second screen, an Acer ProDesigner BM320, via a USB-C-to-MiniDP adapter. According to the system information the monitor is being recognized as a TV which ...

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