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Questions tagged [hdmi]

HDMI (High-Definition Multimedia Interface) is a widely used interface for transmitting audio and video signals between devices and displays.

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Mac Mini M2 Pro has washed out appearance when connected to Sony 4K TV

My Sony LCD TV HDMI is set to full RGB, worked fine with Nvdia cards, but when connected to my Mac Mini M2 Pro TV colors looked washed out and picture looks too bright. This appears to happen due to ...
user3321467's user avatar
1 vote
1 answer
69 views

Connect a DVD player to an iMac

I have a DVD player that I want to connect to an iMac M3. This is not the standard external-drive DVD player, but one that you'd normally hook up to a TV or similar; more a set-top box style. It's a ...
9769953's user avatar
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Can you get 1440p on external monitor via Mini DisplayPort to HDMI converter on MacBook Air (mid 2012)?

Is it possible to get 1440p over an adapter (Mini DisplayPort to HDMI) on an external display on MacBook Air (2012)? The adapter supports 4k, and the HDMI cable does too. Still, I don't get the ...
JamieOliver's user avatar
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99 views

How to achieve 6k @ 60Hz on Mac Pro 5,1 with RX 6600?

I have a Mac Pro 5,1 running macOS Monterey via Open Core Legacy Patcher (OCLP) and I just purchased a flashed RX 6600 video card from MacVidCards.eu. According to the specs on the MacVidCards website,...
Swisher Sweet's user avatar
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Samsung U28R552UQR via HDMI + USB‑C Digital AV Multiport Adapter – bad quality

I have two Samsung U28R552UQR displays. One is connected via DisplayPort–to–USB-C, the other one via HDMI + Apple's own USB‑C Digital AV Multiport Adapter. The one connected via HDMI looks ...
bletted.medlar's user avatar
1 vote
0 answers
23 views

How to diagnose cause of sound stutters on mac pro

I have ancient Mac Pro, a 2009 heavily upgrade: 2012 mother board, 12 core Xeon at 3.33 Ghz 96 GB ram. It has an add on card with 5 USB ports, as several of the original ports no longer work. (A way ...
Sherwood Botsford's user avatar
1 vote
1 answer
23 views

MacBook Pro 13 2017: Built-in display flickering, no problem when connecting to an external display

Same problem as this problem "My MacBook Pro's built-in display started flickering (screen goes black) a few weeks ago. Most of the time the flickering stops by itself randomly after a couple of ...
Samuel Muselet's user avatar
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1 answer
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Dark colours strobing on external display plugged in via HDMI with MacBook

I've noticed that my screen was slightly strobing when my MacBook is plugged in via HDMI to my LG TV. The issue does not repro when there's lighter colours, and it also doesn't repro on the Mac's ...
kop48's user avatar
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3 votes
1 answer
264 views

Can MacBook Air 2017 handle 4k video playback

I bought a 4k monitor and now I am connecting the monitor to my MacBook Air 2017 with the mini-DisplayPort to HDMI cable. This cable supports 1440p on 59.98 FPS, or 4K on 30 FPS. When it is on 1440p, ...
SMMousaviSP's user avatar
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Desktops move to wrong displays upon wake

I'm running Sonoma with 2 external displays, one via HDMI, and one via USB-C. The USB-C display has 3 virtual desktops, and the HDMI one a single virtual desktop. The vast majority of the time (every ...
Axioplase's user avatar
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3 votes
1 answer
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MacBook Pro M3 detects monitor but got black screen

I am trying to connect my home screen via HDMI using a dock. It shows the monitor in the Displays tab in settings but I keep having a black screen on the external monitor. I also have a Dell laptop ...
Jules's user avatar
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37 views

Is there any way to check chroma sampling applied (MacBook Air M2)?

My monitor does not show anything but the resolution information. Is there any way to check if my computer runs 4:4:4 instead of any other mode. My laptop is connected to my screen Type C to HDMI 2.1. ...
Altan Duman's user avatar
-2 votes
1 answer
384 views

Why doesn't my iPhone 11 connect to my external monitor via HDMI?

I want to connect my iPhone 11 (iOS 17) to my external monitor via HDMI. I use a Sharllen RJ45 Ethernet Adapter 4 in 1 Lightning to HDMI Adapter (picture), as well as a standard HDMI cable, which is ...
Franck Dernoncourt's user avatar
1 vote
1 answer
114 views

Acer monitor inbuilt speaker option not working on MacBook Pro

I am using a MacBook Pro with an Acer monitor, but I am not getting audio output. I also tried selecting a speaker from the Menu Bar (attached screenshot) However, when I saw on the Acer page it ...
Jack's user avatar
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57 views

Sudden problems with External Display on MacBook Pro. DisplayPort shows distortion (lines), HDMI turns on and off every few seconds

I have been using this combination of laptop (2021 MacBook Pro M1) and External Display (Mi Curved Gaming Monitor) for several months without issue. Yesterday while gaming suddenly the screen started ...
Zimri Leijen's user avatar
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562 views

High CPU usage when connecting to external display

My MacBook Pro 13 inch, M1, 2020 becomes very slow when connected to an external display. Just updated to the newest MacOS Sonoma 14.0. Doesn't help. All the programs' CPU usage seems to go up. The ...
Roemer's user avatar
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0 answers
762 views

Thinkpad Thunderbolt 3 dock Gen 2 not working correctly

I have an M2 MacBook Pro with an issue regarding a docking station. I'll write some specs first so you know what I'm working with. Laptop: MacBook Pro M2, 16 inch macOS Sonoma 14.0 Dock: Lenovo ...
mm da's user avatar
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2 votes
1 answer
382 views

Recommendation for a Mac Compatible Display Port switch for a 5K Monitor

I have the following hardware: 2021 MacBook Pro (16 Inch) Apple M1 Max - Running macOS Monterey LG Monitor @ 5120x2880 Samsung Monitor @ 5120x1440 Answin USB C to DisplayPort, 6FT 8K USB-C ...
DavidT's user avatar
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2020 Macbook Pro won't connect to HDMI on Promethean Board

I have a Macbook Pro (2020) running Big Sur 11.7.4 I have tried two USB - C to HDMI adapters to run the display to a Promethean Board in a classroom One was an apple-branded multifunction adapter (has ...
Jesse's user avatar
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62 views

HDMI KVM which is working with a Mac Mini M2 and 4k monitors - also sleep and reboot

After I have used a Aten CS1924 KVM for DP for years between my PC and MBP without any issue, the introduction of a Mac Mini M2 renders my setup unusable. On reboot, the Mini doesn't detect the ...
andreas's user avatar
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1 vote
0 answers
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MBP in Clamshell mode: display doesn't come on when waking up

I have an M1 Macbook Pro (2020) running Ventura. Most of the time I use it in clamshell mode. I can easily wake it from sleep the using the external wireless keyboard (I hear the fans come on, the ...
Annabel's user avatar
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Macbook Pro 2018 Ventura Not Detecting Additional Monitors From KVM Switch

I'm on MacBook Pro 2018 Ventura 13.5. I have three monitors connected to a KVM switch, two through HDMI, and one through DP. The middle monitor is connected through DP, the monitors on the left and ...
user1505570's user avatar
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28 views

How to display a USB webcam / video dongle on a iMac with as little latency as possible [duplicate]

I have been asked to assist a friend who has a 2021 iMac without HDMI input to display an incoming video feed from a work laptop's HDMI output. I have a generic HDMI->USB adaptor that (on Windows &...
576i's user avatar
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1 vote
0 answers
439 views

How to enable HiDPI resolutions in macOS Mojave [duplicate]

I just picked up a LG C2 4K monitor and connecting it via HDMI to my 2009 Mac Pro via RX580 video card. I can get 120HZ and 4k resolutions, and there is a 1080P resolution option, but I cannot find ...
Swisher Sweet's user avatar
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0 answers
385 views

Lost ability to show 1920x1200 on Dell monitor

I've been using my Macbook Pro M1 with my (old, but still going strong) Dell U2412M 1920x1200 @ 60 Hz for months and months, over a DVI-HDMI cable (monitor doesn't have HDMI or USB-C, laptop doesn't ...
JHH's user avatar
  • 131
1 vote
3 answers
4k views

Can I get my 2020, M1 Macbook Air to drive two different external displays?

Is there a way to get a 2020 MacBook Air (M1) to drive two external displays, specifically where one of the displays does not have USB-C/Thunderbolt? The Macbook Air has two USB-C ports (both "...
tkp's user avatar
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1 vote
0 answers
21 views

Connecting a 2015 MacBook Air to a Dell monitor with DP and HDMI ports [duplicate]

I have a MacBook Air (13-inch, Early 2015) which I want to connect to a Dell 24 USB-C Hub Monitor - P2422HE. Which cable is best suited for this connection? The monitor has DisplayPort and HDMI ports. ...
Avantgarde's user avatar
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1 answer
1k views

Using a linux laptop as a secondary screen for my MacBook Air m2 without vnc (preferably wired)

I have a MacBook Air M2 and a Lenovo IdeaPad S340 running Fedora Linux. I'm using Barrier right now to share mouse and keyboard between the two but I wish to use the Lenovo laptop as a secondary ...
Chris5112's user avatar
0 votes
0 answers
18 views

Is it possible to connect a second external monitor to Macbook Air Mid 2013? [duplicate]

I have one external monitor connected to Mini DisplayPort to DVI adapter on MacBook Air Mid 2003. Now I have a spare monitor with DVI, HDMI and VGA input amd I'd like to add that as a second external ...
rapsik's user avatar
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3 votes
2 answers
5k views

Mac mini M2 with Samsung 4K monitor

I bought a Samsung U32r59 4K screen for use with my new Mac mini M2 (16GB). The default display resolution is 1920x1080. Switching to 3840x2160 makes everything tiny and reduces the refresh rate to ...
Zvi Blitz's user avatar
0 votes
1 answer
617 views

Cannot connect to HDMI Panasonic TV after Ventura upgrade [duplicate]

I have been grappling with this for some time. Since I upgraded to Ventura I am unable to mirror my MacBook Pro 2018 display on Panasonic TV with HDMI cable. Prior to upgrade it was connecting fine. ...
BobI's user avatar
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0 answers
28 views

Proper way to connect MacBook Pro 16 2023 to a monitor LG 27UL850-W [duplicate]

I used to connect my MBP 2018 to the monitor LG 27UL850-W. In my old setup, I connected this usb-c port of the monitor to my MBP's usb-c port: This connected both the audio/video signal and the power ...
floatingpurr's user avatar
1 vote
0 answers
132 views

Connecting Macbook Air (early 2015) to HDMI projector for Keynote [duplicate]

I'm trying to connect my Macbook Air (early 2015) to a projector via an HDMI cable (for a Keynote presentation). I seem to only have a thunderbolt 2 port. Is it possible to get an adapter to connect ...
Annieonone's user avatar
0 votes
1 answer
989 views

External display burn-in with MBP16, 2021, M1Pro

I have 2 LG 27GP950-B (4K) external displays, which I connect to MacBook via USB-C->HDMI and HDMI->HDMI cables. Prior to using these with the MacBook, I was using these with a desktop PC for a ...
Pavel Gurkov's user avatar
0 votes
0 answers
22 views

MacBook Air 2020 won't display more than 1 external monitor at a time [duplicate]

I have 2020 M1 MBA, with 2 USB-C ports. My Dell monitor connects with USB-C, but I have another Acer monitor with HDMI. When I connect my Acer display to my Mac to the second port, via HDMI-to-USB-C ...
johncarmackfan95's user avatar
0 votes
1 answer
2k views

Support for true 5120x1440p on M1 Pro?

I have an M1 Macbook Pro. I just found out it doesn't support HDMI 2.1. Because of this, it can not display 5120x1440 on my Samsung CRG9 (the CRG9 supports 5120x1440). My M1 Macbook Pro will only ...
Evan Carroll's user avatar
2 votes
2 answers
427 views

Do different HDMI dongles give different CPU usage on an Intel MBP?

My Intel (2019) MBP shows severe CPU usage when connecting to monitor(s) via a Dell D6000 Docking Station. It is OK if there are two regular monitors (1920x1200 resolution), but if I connect to a ...
AnoE's user avatar
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2 votes
1 answer
574 views

Can't get MBP to recognize two external monitors

MBP: 13-inch, M2, 2022, 8GB RAM, Ventura 13.2.1 Setup: Thunderbolt Display --> MBP USB-C Port 1 LG HDMI monitor --> HODO 9-in-1 hub --> MBP USB-C Port 2 Charger ...
Glenn Glazer's user avatar
0 votes
1 answer
2k views

External display doesn't work, keeps disappearing and reappearing in settings

I am trying to connect my MacBook Pro to an external display (HP E24i G4) via HDMI. The display doesn't work. When I go to Display Settings to check on it, I see the following: Then, in a split ...
0x60's user avatar
  • 101
1 vote
2 answers
1k views

iPhone to monitor connectors with no noticeable latency

I have a VP2768A monitor (provided by my employer), and I bought a lightning to HDMI cable yesterday because I wanted to project my iPhone 12 Pro to a larger monitor for certain activities (e.g. ...
dzdang's user avatar
  • 21
2 votes
1 answer
295 views

USB-C to HDMI to DP

I have a MacBook Pro 2017 (two USB-C ports only), running Ventura. I have a USB-C to HDMI female adapter and a HDMI (male) to DP (male) cable to connect everything to a Dell P2415Q. But there arrives ...
Bubaya's user avatar
  • 261
1 vote
1 answer
89 views

Can I have dual monitors on my MacBook Pro (Early 2011)? [duplicate]

I have a MacBook Pro (13") from Early 2011 and want to use 1 external monitor as extended monitor. When I connect my Xiaomi Redmi 1A 23.8" Monitor in Mini Display Port Using HDMI to DP ...
Abdullah Al Azim's user avatar
1 vote
0 answers
454 views

MacOS Ventura confuses monitors

I have a M2 Mac Mini Pro running Ventura 13.2.1 connected to three Samsung LU28R55 monitors. One is connected with a USB-C to Display Port cable, one is connected via an HDMI cable, and one is ...
Nemo's user avatar
  • 11
2 votes
0 answers
338 views

How to get 2560x1440 resolution on ext monitor from MacBook Pro 15" early 2008?

My old MacBook Pro 15" early 2008 is said to support up to 2560x1600 resolution on an external display. There's a dual-link DVI output (25 pins), NVidia GeForce 8600M GT 256Mb, 4Gb RAM, 2.4GHz ...
Serge's user avatar
  • 71
1 vote
1 answer
3k views

Video connection for Mac Mini M2 to DisplayPort/DVI monitor

I'm planning to order an M2 Mini and I want to connect it to a Dell U2412M monitor that I already have. The Mini has HDMI video output, but I believe it can also serve video via Thunderbolt 4. The ...
John Gordon's user avatar
0 votes
0 answers
164 views

Double 34 inch curved monitor to mac book pro

I have a macbook pro M1 and i need to connect 2 34 inch monitors and 2 27 inch monitors. How do i do that? Currently if i connect the two 34 inch to a docking station with hdmi the macbook recognises ...
Hussan raza Bokhari's user avatar
1 vote
0 answers
787 views

Using an M1 Mac mini with HDMI to DVI adapter

I have been trying unsuccessfully to get my M1 Mac mini (M1, 2020, running 13.2 (22D49) Ventura) working with an older DVI monitor. My current configuration has my primary (4K) monitor hooked up via a ...
GrapefruitIsAwesome's user avatar
0 votes
0 answers
300 views

MacBook Pro 13 2017: Built-in display flickering, stops when connecting to an external display

My MacBook Pro's built-in display started flickering (screen goes black) a few weeks ago. Most of the time the flickering stops by itself randomly after a couple of minutes. The thing is, when I ...
Roy Shiloh's user avatar
1 vote
0 answers
502 views

How to connect iPhone to external monitor via HDMI with mouse support?

The problem I have an iPhone 8 with a busted touch-screen. Specifically, everything visible on the screen is upside down and moving/shaking, and not all parts of the screen are sensitive to physical ...
mlc's user avatar
  • 11
1 vote
0 answers
853 views

External monitor disconnects if MacBook Pro power adapter not plugged in

My MacBook Pro 2017 Function Keys is connected to my HP VH240a monitor via HDMI->Apple Multiport adapter. However, for some reason, when I take the MBP off the power adapter, after several seconds, ...
MrBaba's user avatar
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