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Questions tagged [displayport]

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

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Cannot set up two external screens both 90° rotated on Catalina

I'm using an old (15" early-2013) MabBook Pro that I'm trying to connect to two external Dell 4K screens using two mini DisplayPort cables. I need them both to be 90° rotated. It worked the first ...
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10 views

External monitor not working with hdmi - display port adapter

I have an external LG monitor that I used to use with my previous computer (Macbook Pro 2012) by using a Display Port - Mini Display Port cable. Recently I got an M1 Macbook Pro (M1 Max chip, running ...
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1 vote
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Apple Studio Display DP/USB speed is a mystery

There is an iPad footnote: When connected to iPad Pro 12.9-inch (3rd and 4th generation), iPad Pro 11-inch (1st and 2nd generation) or iPad Air (5th generation), Studio Display USB-C ports deliver ...
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1 answer
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MacBook Pro 2015 does not output video via HDMI or MiniDisplay port

Problem I have a 2015 MacBook Pro. I also have a JVC television with an HDMI port. When I connect the two via an HDMI cable, the laptop appears to recognize that I've connected to another display (the ...
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2014 Mac Mini through Belkin F1DN104Q-3 KVM - all monitors blink except the DVI port monitor

SMC has been reset. NVRAM and PRAM have been reset. All cables are brand new from CablesPlus (the Canadian Monoprice). The Belkin F1DN104Q-3 is a 4-port, quad-head KVM that allows me to hook four ...
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1 vote
0 answers
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Gamer Monitors Not Working Properly with Mac Mini Late 2018

I have a 2018 Mac Mini Late and for a few years I have noticed strange behavior on monitors. When I turn on the monitor and then the Mac, the monitor displays "No Signal" messages as if the ...
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Ultrawide Monitor with KVM for Macbook Pro 2018 and Macbook Pro 2015

I'm looking for an ultrawide monitor that I can use with my MacBook Pro (Retina, 15-inch, Mid 2015) and my MacBook Pro (15-inch, 2018). Important for me is a size of at least 34", built-in KVM, ...
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Connecting external monitor not working

I have an iMac (21.5-inch, Late 2013 running macOS Catalina) that I am trying to connect to an external (Dell) monitor. Here's what I am doing: Connect the Apple Mini Display Port -> DVI adaptor ...
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1 answer
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How to use monitors that connected to Mac mini as external monitor for Macbook Pro?

I have 2 monitors for my Mac mini at home, and recently I decided to buy a new Macbook m1. The problem is if I want to use those 2 monitors as external monitors for my Macbook, I have to unplug the ...
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Is possible setup 4k monitor on macbook pro 15" late 2013? [duplicate]

everybody. params: Macbook pro 15 late 2013 (CPU Haswell 4th Gen intel) Display Lenovo (l28u-30) HDMI cable 2.0 Display Port from Aliexplress SwitchResX App i have problem i was buy a lenovo 4k ...
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1 vote
0 answers
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Plugging an old MBP into a newer hub (TB2>TB4/USB-C)

I have a mid-2014 MacBook Pro, which has 2x Thuderbolt 2, an HDMI and 2x (degraded) USB 3 ports. I also have a new Kensington Thunderbolt 4 hub, with two monitors connected to it (TB4>DisplayPort). ...
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2 answers
2k views

Does my Mac support 'DisplayPort Alternate Mode' so I can use a KVM?

I'd like to buy a new monitor and have been looking at models that have an in-built KVM switch functionality as this would both reduce cabling/connections and enable me to use the monitor for home and ...
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0 votes
1 answer
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Best port to connect Macbook Pro's USB C port to external monitor

What's the preferred external monitor port to connect a Macbook Pro with USB C ports only (a 2019 Macbook 16) if the monitor doesn't have USB C ports? I read that USB C natively carries data in ...
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2 answers
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Which of the following hub adapters for the 2021 M1 Pro MacBook would allow me to use 4 display monitors total?

I have just bought the MacBook Pro (14-inch, 2021) featuring the Apple M1 Pro chip. From previous research I understand that it natively supports 2 additional display monitors, but I need a total of 4,...
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Why can I do 4K@60Hz over HDMI on some monitors but not others?

I have a new M1 MacBook Pro 14". I also have two 4K monitors. One is a 32" Samsung S32R750UEN bought about two years ago. The other is a 28" Samsung LU28E570DS bought two days ago. The ...
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  • 161
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1 answer
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How can I connect 2 dell monitors with Mac Air?

I am using MacBook Air(13-inch, 2017) model. I want to connect with 2 monitors Dell (24 Monitor: E2420H) The problem is the monitor doesn't have a HDMI port . It has only display port & VGA . When ...
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Macbook Pro (Mid 2012) stopped detecting external Monitor since the upgrade to OS X 10.15.7

Macbook Pro (Mid 2012) model suddenly stopped detecting any external Monitors immediately after the recent OS X Upgrade to 10.15.7. Currently I'm using Mini Display Port to HDMI Female Adapter and ...
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3 votes
2 answers
750 views

5.1 audio from MBP USB-C to HDMI

I am struggling to get surround sound from my 2020 MacBook Pro (Intel version). I also have a 2015 MBP that has an HDMI port which I connect to my Denon AVR and it gives me glorious Dolby/DTS 5.1 ...
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2021 MacBook Pro and dual external screens over USB-C Dock? [duplicate]

I got a MacBook Pro 14in with the base M1 Pro 2 days ago and I have a HP USB-C G5 dock I was using with my previous laptop and 2 monitors, a 24in 1080 60hz and a 27in 1440 144hz. When I received the ...
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Crashing Problems with MacBook Pro 16 5600 Graphics 64GB RAM

Not sure if this is the place to ask, but I've got the latest Intel Macbook Pro with 64GB of RAM and the 5600 Graphics. When I'm at work (most of the time), I run with the MacBook closed and have 3 ...
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MacBook Pro 2018 doesn't work with one particular monitor through DisplayPort

I have a MacBook Pro 13-inch laptop from 2018 (MacBookPro15,2) with an Intel Iris Plus 655 GPU. I've encountered an odd problem trying to connect it to my ASUS TUF VG27AQ (1440p, max 144hz) monitor ...
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  • 101
1 vote
1 answer
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What is required for Monterey's Adaptive Sync support?

I was excited to try Monterey's adaptive sync, but it doesn't seem to be working with my hardware. My Hardware I have an LG 27UD68 display, with a (somewhat limited) Freesync range of 40-60hz. This is ...
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2 votes
0 answers
187 views

Why is there a brightness difference between usb-c/display port and HDMI on M1 Mac?

I'm one of the lucky few (for now;) owning a brand new MacBook Pro M1 Pro. I've used a MBP 2017 till now and had it connected to my LG 38" display every day via usb-c. Today I connected my new ...
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Can my iMac OS X 1,10 (2011 model) be used as external display for Windows laptop [duplicate]

My iMac has the mini Display port but no Thundebolt port. I have tried using the miniDP (iMac) to DP (laptop) but could not activate the Target Display Mode. Is there any other options? I'm a non-...
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2 votes
0 answers
111 views

Why is there a several second lag for my external monitor to turn on when waking up my MacBook M1?

It's a Deco Gear DGVM27AB connected through the DisplayPort if that helps.
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1 vote
0 answers
65 views

Daisy chain Dell with DisplayPort (output) to Apple Thunderbolt Display

I have a Dell P2720DC and Apple Thunderbolt Displays I want to daisy chain. Since the Dell has USB-C PD, I prefer connecting my MacBook to it, but then I'm not sure I can connect its DisplayPort ...
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2 votes
0 answers
23 views

Computer mounts install disks when changing screen resolution Mojave [duplicate]

I have a macbook pro 2015 running Mojave. Whenever I plug in a screen to minidp, connect to an apple tv using airplay, or change resolution scaling in system preferences (edit: doesn't always happen ...
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1 vote
0 answers
42 views

iiyama shows no signal after shutdown and longer sleep

I have iiyama G-Master GB3461WQSU connected to mac thought DisplayPort in dell's dock WD19TBS and PC's DisplayPort directly. Since day one an issue with signal detection occurs. After shutdown or ...
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Amazon Prime Video HDCP error using Dell monitor

My setup is as follows: MacBook Pro (13-inch, 2017, Four Thunderbolt 3 Ports) running macOS Catalina Dell U2720Q monitor Monitor is connected to MacBook Pro using CableMatters USB-C to DisplayPort ...
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0 answers
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Computer automatically mounting install disks when plugging in Mini DisplayPort

I have a MacBook Pro 2015 running Mojave. Whenever I plug in a Wacom Cintiq (output VGA converted with a dongle to Mini DisplayPort) my computer mounts a whole bunch of installer images (appear where ...
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1 vote
0 answers
21 views

MacBook Pro mouse pauses every 1.5 seconds with external monitors

I have two Samsung QHD 27" monitors plugged into my 2019 MacBook Pro 16", but noticed that when moving the mouse, the mouse cursor gets stuck around every 1.5 seconds. This is extremely ...
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External Monitor Connecting Issues

MacBook Pro 2017: (operating MacOS Sierra 10.12.6 {I downgraded as I heard Sierra works better than the latest system} -Monitor: Samsung lc24f396fhuxen (https://www.amazon.co.uk/Samsung-LC24F396FHUXEN-...
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0 votes
1 answer
6k views

Using an iMac 27-inch as a display for a Mac Mini M1 [duplicate]

I want to connect an iMac 27-inch Late 2012 and an iMac 27-inch Mid 2010 to two Mac Mini M1 and use them as displays, so I'd like to know what type of cable should I buy for each one of them. The iMac ...
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0 votes
1 answer
27 views

What cable/adapter do I require to use DellU2715H as second monitor on a 2020 Retina iMac?

I own this monitor https://www.amazon.co.uk/gp/product/B00PRCRWRU / https://www.dell.com/lv/business/p/dell-u2715h/pd It supports the following inputs: 2 HDMI(MHL) connector 1 Mini DisplayPort 1 ...
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0 votes
1 answer
372 views

MacBook Pro - issues connecting to external monitor(both DisplayPort and HDMI)

I have an Apple Macbook Pro 16 Inch (Touchbar) 2019 w/ AMD Radeon Pro 5300M. I'm running into issues connecting it to this monitor, PX329. If I use DisplayPort(this monitor supports up to version 1.2) ...
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2 votes
1 answer
217 views

2013 MacBook Air to Lepow Portable Monitor (Cable question)

Looking for a little insight on a new cable for my travel laptop set up. I have a portable monitor from Lepow (Amazon). This monitor has 3 ports and and can accept two input types: 2 x USB C (...
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1 vote
0 answers
25 views

Interruption of signal from mac to external monitor after changing resolution

I have a dell S2721QS 4K monitor. I connected my MacBook Pro to a Lenovo Thinkpad docking station using a USB-C to USB-C connection. I then connected the DisplayPort from the dock to the HDMI port on ...
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1 vote
0 answers
158 views

Lenovo external monitor failing to deliver good quality, blurry fonts instead

When I connect MacBook Air 11" to the external monitor (Lenovo 24" QHD) via "Mini DisplayPort to HDMI Adapter 1080P", the resolution I get is 1600 x 900 but I expect to get 2560 x ...
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0 votes
1 answer
536 views

kernel_task eating 1000% of my CPU regardless of the CPU being at 56-58 degrees

I'm currently struggling with kernel task on my 1 year old Macbook Pro 16" 2019. Basically I'm currently using an external monitor which is connected to my macbook via a usbc to displayport cable ...
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0 answers
47 views

iMac internal display detected and not working (complete blank/black) but external working fine

I have an iMac End 2009 27". Recently while upgrading the HDD I had to unplug the LG built in display and while doing so the Vsync cable snapped. I put a new cable but now the internal display is ...
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0 votes
0 answers
50 views

No signal on external monitor through USB Type C - DisplayPort cable

I have an Odyssey G7 monitor and I bought the following cable I have two MacBook pro's, one 2018 15 inches and another one 2019 16 inches. Whatever I do the monitor does not display anything. I tried ...
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0 votes
0 answers
10 views

Prevent displayport disconnection when MBP sleeps [duplicate]

I have an external monitor connected by displayport. My issue is, when the display sleeps (after one hour idle), the displayport connection is completely shutdown effectively disconnecting the monitor....
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  • 161
0 votes
1 answer
34 views

third party hdmi to vga adapter does not work [closed]

I recently bought an HDMI to VGA adapter and a VGA cable, and when I plug it in it doesn't work properly. I was having problems so I read that the HDMI port on mac does not work, and that you need to ...
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0 answers
26 views

Daisy Chaining DisplayPort Display

I have a MacBook Pro (15-inch 2018) as well as a couple of Dell DisplayPort monitors. The monitors support HDCP 1.4 and I have them set in MST mode. They have a DisplayPort Out port. I am currently ...
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1 vote
0 answers
36 views

Macbook Pro 16" (2019 with i9 processor) performing terribly when connected to an external monitor

I've been using my macbook pro with an external monitor for about 1 year now. In the past few weeks though, I'm struggling doing so because my macbook performance drops as soon as I connect it to my ...
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1 vote
1 answer
649 views

Just picked up the Odyssey G9 and can't change refresh rate on macbook pro

I'm using the DisplayPort that came with the monitor, along with a USB C -> DisplayPort adapter that apparently supports 4k; however, I can't seem to choose any refresh rates when selecting the &...
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0 votes
1 answer
166 views

Dual Monitor Setup with Mac Mini (2014) Screen Blinking

I have a Mac Mini from Late 2014 (2,6 GHz Dual-Core Intel Core i5, 8 GB 1600 MHz DDR3). I want to use two monitors with it - the two Monitors are identical BenQ GW2283. I managed to get both monitors ...
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0 votes
0 answers
44 views

I try to use full potential of my display, but it seems like connectors don’t want to

Context: I have bought a 34" ultra-wide 100Hz 2K display (AOC 34" LED - CU34P2A). I have a 2019 MacBook Pro 13" running Big Sur with 2 Thunderbolt 3 ports. For work, I have a top-level ...
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1 vote
1 answer
917 views

MacBook Pro M1 external display connection issue

I am trying to connect my 2020 MacBook Pro (M1) to an external display via a thunderbolt 3 dock. The dock is the Kensington SD5200T which supports M1 Macs with 1 external display. The screen I am ...
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1 vote
0 answers
28 views

Connecting Samsung 1080p Monitor to 2014 MDP via HDMI/Mini-DisplayPort

This question is related to Unable to connect display(s) to MBP 13'' Mid 2014 via Tunderbolt / mini DisplayPort, albeit with a different monitor that may have a different cause. As per the ...
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