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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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using a LG 34um94-p ultrawide monitor with a late 2012 mac mini

I have this cool new LG monitor that I have mounted and plugged into my Mac Mini (late 2012, high sierra), but the LG monitor is not getting a signal. I have tried HDMI and a mini-display to HDMI ...
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No sound through HDMI with Mac Mini Connected to Projection TV

This is similar to this unanswered question and to this question, but it uses different hardware and can't be solved in the same way as that 2nd question is solved. The bottom line is that I get ...
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MacBook Pro 16 and Dell tb16

I bought a month ago MB Pro 16 2019, and I'm trying to use it with the Dell TB16 docking station. I've enabled it with Thunderbolt3Unblocker and all seems to be working fine except external display(...
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Dual Monitor on MacBook Pro 13 inch Touch Bar [duplicate]

I have recently bought 2 Dell monitors (S2419H) and would like to use them as two additional screens with my 13 inch TouchBar MacBook Pro. However, when I connected both screens using an HDMI/USB C ...
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MacBook Pro not using full physical space of external monitor via HDMI cable

I have the latest 2019 13 inch MacBook Pro. When I connect it to my external monitor (LG Flatron E2251) with an HDMI cable, there is a gap at the edge of the monitor all the way round. It doesn't ...
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Mac Mini 2018 HDMI issue with 23" Apple Cinema Display

I just got a brand new Mac Mini 2018 which is connected to a 23" Apple Cinema Display (model 2005). I am using the Original Apple HDMI to DVI Adapter The issue: A grey grained noise shows up when ...
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Dell U2717D monitor not working with 2010 MacPro desktop

I am running a 2010 MacPro desktop (2.4 GHz, 8 cores). It works well with an Acer P206H monitor plugged in to the DVI connector. I tried to connect a Dell U2717D monitor to both the DVI connector (...
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MacBook Pro (Ratina Early 2015) screen flickers when connected to external display

The external display screen flickers and turns OFF and ON when mac book pro is connected. It was not an issue after I updated my mac to OSX 10.14 (Mojave). I tried to reset SMC but the issue couldn't ...
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Is there a fix for UGreen USB-C to HDMI cable not working in Catalina?

I have a UGreen 4K Nylon USB-C to HDMI cable which mysteriously stopped working with my 2016 15" MacBook Pro as soon as I upgraded to Catalina. Has anyone else had issues with this cable and are ...
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macbook pro 2016 + tcl 4k tv = moire patterns / checkerboard

I've attached a tcl 4k tv to my 2016 macbook pro (Sierra) via a usb-c to hdmi dongle. When doing so everything has a dithering/moire pattern (using moire in this context more for search engine ...
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Mac OS - Multiple External Monitors - Unable to modify reolution on primary display

I have connected my MacBook Pro to a docking station in hopes of connecting it to two external displays for a home office setup. With the lid closed I am able to get the displays to appear on both of ...
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External monitor not working properly on macOS Catalina

Before upgrading to macOS Catalina my AOC 2369VM monitor works fine with HDMI - USB Type C adapter. Once I installed macOS Cataline, the monitor immediately became badly connected or not connected at ...
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Macbook Pro 2019 is unable to detect more than 1 monitor

I have two Dell monitors and have bought Honeywell Dock to connect my MacBook to those two monitors I connected one monitor to my Dock using VGA and another monitor to my dock using HDMI. When I ...
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How to connect multiple displays to a Macbook Pro through USB-C

I have 3 displays fixed on my wall. 1 VGA 60hz, 1 HDMI 60z, and 1 Display Port 144hz. They all are connected to my gaming computer. I used to do all my coding stuff on that computer and that's why I ...
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What software and hardware would be needed to make an iPad work like a TV accepting data from the lightning port?

I am trying to have my iPad (3rd gen) read television / video type HDMI input. I have an HDMI to USB-C conversion cable and the iPad is recognizing the accessory (not sure how you know this, please ...
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1answer
177 views

CPU usage is too high with Catalina when macbook-pro connected to an external monitor

The same problem was occurring on the High Sierra. I was hoping it will be fixed on Catalina but unfortunately, I didn't. I use Catalina 10.15.1 on my MacBook Pro and work with an external monitor ...
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connect Macbook Pro to Eizo display via Apple Thunderbolt display

I have Macbook pro 13" 2019 with four thunderbolt 3 ports, Apple thunderbolt display with one thunderbolt port 2 and an Eizo monitor. I am trying to connect: Macbook pro -> thunderbold 3 to ...
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USB C to DisplayPort hub works with VGA but not HDMI

I have a Cable Matters USB C to Dual 4K DisplayPort Hub and a MacBook Pro 2016 (No touchbar). I am using Windows on Bootcamp. The hub works fine with a DisplayPort to VGA adaptor, but it doesn't work ...
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How many 1080p Monitors i can connect to MacBook pro 13 inch 2019 model with 4 thunderbolt port? [duplicate]

Can anyone please help me to connect my MacBook pro 13 inches with 4 thunderbolts to 3 external monitors ( one U2414H and two P2419H) ? I tried connecting them using three type-c to HDMI convertors ...
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How do I get my monitor to run at the correct resolution reliably?

I just started a new remote job. They shipped me a 2018 15" Macbook Pro, a 32" Asus PB328Q monitor (QHD, aka 2560x1440), and a Satechi USB-C adapter, with an HDMI cable for connecting the monitor. All ...
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iPods crashing - Keynote freezing & glitching

The company I work for has started replacing approx 150+ old 4th gen iPods with brand new 6th Gen iPod touches. All we use is Keynote + a HDMI adaptor (sometimes Apple TV) but every one of them ...
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Dual External Monitors on a (late) 2017 MacBook Pro

I'm trying to set up my 2017 MBP with two external monitors. I have a Totu USB C Hub, TOTU 12-in-1 Type C Hub with dual HDMI inputs. It's supposed to allow me to use two external monitors with my MBP ...
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2018 Mac Mini no longer sending video or audio to TV via HDMI

I have a 2018 Mac Mini connected to a TCL Roku TV (43S403). There used to be no issue using the TV as a monitor, but recently, whenever I go to the input for my Mac it says "No signal (is it on?)". I'...
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How to use Thunderbolt Display with Laptop

I am currently using my 2015 MacBook Pro with my thunderbolt display. I want to buy a new laptop (HP) but I realized that I would have some problems to connect it to the Thunderbolt display. The new ...
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HDMI monitor only detected upon second(!) restart

I regularly exchange two LCDs, one DELL in the office and one Benq at home, it've started to happen quite often that once I connect the home LCD, the macbook doesn't not recognize it (the screen ...
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1answer
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How many monitors iMac 21.5 4K can handle?

Well, Im a programmer and I want bunch of monitors. I have a 21.5 Inch 5K iMac, from 2017 Just bought a DUAL HDMI Adapter from StarTech.com My intention is to have 3 extra displays because the Mac ...
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234 views

Setting an unsupported custom resolution in MacOS

Is there a way via command line or GUI to set a custom unsupported screen resolution. Specifically the problem I am trying to resolve is getting 5K support for a Dell U4919DW. If not possible, how do ...
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1answer
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Is it possible to power a 4K display at 60 Hz with a DisplayPort/HDMI adapter connected to a USB-C hub?

I have a LG display which supports 4K at 60 Hz. I wanted to buy an adapter for my Macbook Air(2018) to use it with my notebook. I am confused about one thing though. I have read that USB-C to USB-C ...
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179 views

Macbook Pro 2018 - HDMI Arc Support?

I have a Macbook Pro 15" (2018) model. I just purchased a Sonos amp, and so I'm currently enjoying the quality that this provides. The issue is however AirPlay can be a bit flaky at times with the ...
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How to audio out to iPad Pro when connected to HDMI?

I have 3rd generation iPad pro. I use USB-C to HDMI adapter to connect my iPad to an external monitor with speaker. The speaker on the monitor is so bad..I would love to use iPad speaker instead. I'...
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Connecting external monitor at 1440p to mid-2012 MBP 13"

Recently I bought Dell S2719DM monitor, which maximum resolution is 2560x1440. I'd like to use it with my mid-2012 13 inch MacBook Pro, so I got Mini DisplayPort to HDMI adapter - it uses HDMI 1.4 and ...
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Beam projector works in bootcamp, but do not work in macos

The HDMI beam projector in my classroom works fine when I boot with Bootcamp (win 10), but it shows "no signal" when I boot with macOS (10.14.6) I have changed all the available screen resolutions, ...
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2answers
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Windows Laptop as Secondary Monitor for Macbook Air (Preferably Wired)

I have a Macbook Air and an HP Stream 13 and I am wondering if it is possible to use the HP Stream 13 as a secondary monitor (a more mobile solution to a secondary screen). I currently own a Mini DP ...
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1answer
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Can I connect 3 display to a mid 2012 MBP retina?

I have a mid 2012 Retina display MBP, currently connected to 2 external displays. Specs: And these are the 2 current monitors, both FULL HD: One of them is connected directly with native HDMI port ...
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Any way to get 5K with 2014 MacBook Pro?

I got a Planar IX2790 5K monitor connected to my Mid 2014 MacBook Pro with Thunderbolt (Mini DP) to DisplayPort cable. Only getting 4K. Too late, I noticed the fine print: Mac: DP Support up to ...
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Bootcamp with no sound or BSOD

I have downloaded latest W10 from https://www.microsoft.com/en-us/software-download/windows10 I used MacOS app "Boot camp" in mac to create USB installer with automatically downloaded latest drivers. ...
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1answer
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2nd monitor is mirroring the first external monitor

For years I've been using a Dell U2515H monitor as external display for my Macbook Pro. Yesterday I purchased a second monitor (exactly the same) and connected it through HDMI to my Macbook Pro (2018) ...
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1answer
160 views

Unable to use external monitor's full resolution using Macbook Pro

I recently bought a new 2019 MacBook Pro. It working as expected. I use my HP 22Es for majority of my work. Very unfortunately, my MBP is unable to detect the 1920x1080 resolution of external display. ...
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1answer
151 views

MacBook Pro screen broken and was using 2nd monitor fine until I started the process of turning FileVault on

I have a MacBook Pro 2015 with a broken screen (most of it is black and not visible). Before I had it set up where I would just turn it on, connect my HDMI cable to TV or Monitor and it would show ...
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103 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
145 views

monitor displays shows no picture in display settings and goes black randomly

This is my first question so please pardon my mistakes. I use a Mid 2017 MacBook Pro with a HP V270 Monitor. The monitor connects fine using a USB-C to HDMI cable but the issue I'm having currently is ...
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2answers
309 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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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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Thunderbolt 1.0 with New Monitors [duplicate]

I have never connected my MacBook to external monitors. I know I can use the HDMI port, but I was wondering about the Thunderbolt 1.0 port (I have 2 ports). I am using a Mid 2012 15" retina MacBook ...
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Getting sound to split between computer and external monitor (TV hooked up with HDMI to thunderbolt) from iMac but NOT simulatneously

I connected my TV to the iMac last night. When I drag a program up to the TV the sound switches from my computer speakers to my TV speakers; I thought this was a great feature. However, when I wake up ...
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138 views

Prevent external speakers in monitors connected via HDMI being used

I sometimes run into an issue where I connect an external monitor via HDMI, and my Macbook Pro's sound is now routed to the monitor instead of my headphones or the internal speakers. Worse, sometimes ...
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Dell Monitor S2817Q goes into flicker mode on MacBook Pro (Retina, 15-inch, Mid 2015) 10.14.5

I have been using dual monitors (HP and Dell) with no issues on my MacBook Pro running 10.14.5 for 6 months. Dell is connected to HDMI and HP is connected to Thunderbolt. After a few recent OS ...
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194 views

Retina MacBook Air: External Monitor lag issue

I have a new 2018 Retina MacBook Air, 1.6Ghz i5, 16GB memory, Intel UHD Graphics 617 1536 MB. I am connecting this to an external monitor, a Dell P2415Q, using an HDMI cable and a Targus DOCK412USZ ...
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Can macOS 10.14 (mojave) output a 4K HDR desktop to a 4K HDR TV?

How can I get macOS 10.14 on my MacBook Pro (15-inch, 2016) to output the macOS UI (desktop) in HDR mode to my Samsung Q6F 4K HDR TV display? I'm using a USB-C/Thunderbolt to HDMI 2 dongle and an ...
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1answer
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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 ...