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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11 views

Finicky external monitor with hobbled 2013 MacBook Pro

Hi so I have an early 2013 retina MacBook Pro that has very much seen better days. The lcd broke long ago due to a closing-the-laptop-with-something-still-inside accident; and because this was the ...
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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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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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Why my monitor connected via usb-c hdmi display blue lines?

When I connect monitor to my new MacBook Pro 2020 13 inch via hdmi to usb-c then I can see the picture like this: Why there is a lot of blue points? My cable and converter:
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External monitor not working on full resolution with MacBook [duplicate]

I know this problem has been answered before, but I could not make any of the presented solutions work for me. I just bought a Phillips 245B monitor with QHD (2560x1440) so I could run it in native ...
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External display switches to lower resolution and I need to restart my MacBook to fix it

My setup is the following: macOS Catalina, version 10.15.7 (but this has been happening since before Catalina) MacBook Pro (15-inch 2019) AOC Q27P1 External display, connected via this USB C to HDMI ...
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1answer
9 views

Mirroring from my iPhone 7+ to aucary projector wirelessly to wall

I want to mirror from my iPhone 7+, to an Aucary projector , displaying to a wall. What adapters, or cables do I need ? I haven’t been able to connect wirelessly ( Phone showing no wireless ...
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How to connect MacBook Pro (2020) to ultra widescreen monitor?

I have an ultrawide monitor that's 3840 X 1200. It works perfectly fine with my windows laptop. I now need to connect my work MacBook Pro provided to me, but under the list of resolutions (and ...
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1answer
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+50

Dell E2620hs flickering as external MacBook Pro monitor

I have an MBP 2012 model. I have Dell E2620HS and connecting it with an HDMI adapter via the Thunderbolt port. It has been flickering as it comes on and off. I tried reconnecting cable but it didn't ...
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27 views

Mac OS upgrade probably caused screen problems [duplicate]

I have a Mac Mini 2018. I have a main monitor which is connected using the HDMI output, and a second monitor which uses a Thunderbolt port with a Thunderbolt-to-HDMI adapter. After working just fine ...
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Macbook Pro not detecting Dell monitor - Catalina [duplicate]

I am trying to connect a 15-inch Macbook Pro 2017 to a p3418HW Dell monitor, through a USB-C to HDMI adapter (VTIN 4Kx2K USB-C to HDMI). The monitor shows: "No HDMI signal from your device". ...
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1answer
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MacBook Air 2020 - Unable to Connect to External Monitor

I have a Dell monitor which supports VGA - so I am using a VGA cable, VGA to HDMI adapter, and the USB-C Digital AV Multiport Adapter (Apple) to connect to my MacBook Air 2020 (running macOS Catalina ...
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How to repair broken HDMI port on MacBook

I have a MacBook Pro (Retina, 13-inch, Early 2015). I'm happy with it but recently I started having problems connecting my external screen via HDMI. Since a few days ago, I can't make it work anymore ...
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1answer
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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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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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1answer
19 views

Can you use a single thunderbolt port to power two extended displays in clamshell mode?

Looking at cables that split a thunderbolt port to two hdmi ports, they all say that for windows you can have monitors in ABC mode, i.e. both external monitors act as extended displays, but for Mac ...
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USB-C to HDMI/USB Adapter for projection and for screen recording on mac

I bough recently an Apple USB-C to HDMI/USB/USB-C adapter (also called USB‑C Digital AV Multiport Adapter) which I am using with an iPad Pro. I wonder now whether I can use simultenously the (1) HDMI ...
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Thunderbolt 2 to HDMI to VGA not detected, Thunderbolt 2&3 to HDMI to DVI-D (dual-link) black display

I had a temporary windows laptop that used an HDMI connector so I bought converters that one way or another got to HDMI, and I plan on getting two HDMI connected monitors when the right time comes (...
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Multiple monitors with MBP 13" 2020 and HyperDrive Duo 7-in-2

Since I got my MBP i've been working with 2 additional monitors, both of them connected via HDMI cables connected to a USB-C hub (one is Anker's, other one some unknown chinese product) and then to a ...
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1answer
65 views

Poor quality font when connecting MBP 2016 to external 27 inch full HD monitor

I have bought a Samsung 27" Full HD (LC27R500FHNXZA) monitor and have connected my MacBook Pro 2016 (macOS 10.13 "High Sierra") to it via HDMI. This is the image I see: And this is the ...
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Unable to Project MacBook Pro Screen to Old iMac [duplicate]

I have a new MacBook Pro which I am not able to connect to my old iMac so I can use iMac as my secondary monitor. Details of MacBook and iMac MacBook Pro: 13-inch, 2019, Two Thunderbolt 3 ports iMac: ...
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Is there a way to get the TV sound being played on a MacBook Pro via HDMI?

I have an LG HDTV and a 2019 MacBook Pro with a thunderbolt to HDMI adapter. What i would like to do is to watch tv normally but playing the tv's sound on the Mac's speakers. Is this possible? Does ...
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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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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
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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1answer
99 views

What's wrong with HDMI? [closed]

I have seen comments in various posts here to the effect that HDMI is to be avoided. Can anyone explain what the problem is with HDMI, and why it's a bad thing? More specifically, I have a 2nd monitor ...
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Force a 1080p resolution on 13" MacBook Pro

I'm trying to record a screencast using my 13" MacBook Pro (Retina, ~ 2015 model). I want to record it full screen at 1080x1920 px and I want it to be that exact resolution. The resolution ...
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2answers
106 views

MacBook Pro 2020 with 2 x Dell U2518D monitors

I looked thoroughly, but could not find a configuration for the 2020 MBP. Here is the setup: 13" MacBook Pro 2020 (2 x USB-C ports) 2 x Dell U2518D monitors (not Thunderbolt-equipped) I tried ...
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External display/TV is detected but no display signal is sent to it by Macbook Pro 2020

I switched from Macbook Pro 2015 - with its wonderful array of ports - to the very parsimonious Macbook Pro 2020 16". In order to drive an external LCD (53" Panasonic) I had to buy a ...
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How to exclude an audio device on Mac?

Every time I plug-in either my HDMI monitor or the HDMI projector on my MacBook the playing music/audio on macOS stops for several seconds, switches to the plugged device (silently), and then comes ...
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1answer
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Can I connect my HDMI amplifier as audio only?

I have a Denon AVR that I use to drive a set of speakers. It's connected via HDMI to my MBP and everything works well. However the amp also presents itself to the MBP as a video device and so when ...
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2answers
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My Mac is very slow and lagged while connecting with ViewSonic screen

My Mac started to behave unusually when I connected it with the ViewSonic TD2420 monitor. For example, it would take too much time to open a folder. However, when I went to "About This Mac", ...
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1answer
219 views

Mac mini 2014 4k + 2k Monitor Configuration

I'm interested in getting a Mac mini Late-2014 (specifically A1347, Macmini7,1, MGEN2LL/A), but I'm concerned by the multi-monitor specifications published by Apple. The specs state:- Video Support ...
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Will one USB-C port be able to deliver power, data transfer and power two monitors on a Macbook Pro?

I have a USB-C hub (link to it on amazon is here). At the moment I have a setup of: Mouse and keyboard, hard drives, power cable and one monitor through HDMI into that USB-C hub and have had no ...
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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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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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20 views

Monitor only works after turning on multiple times [duplicate]

I have had two monitors for my Late 2016 MacBook Pro running the latest updates, a 1080p one and now a 4K monitor. Both have had the same issue described below. When I connect my external monitor to ...
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29 views

MacBook Pro '16 Crashes after unplugging HDMI

Occasionally, after or while using a monitor with HDMI, my 2016 MBP fully crashes and gives an error report like this: *** MCA Error Report *** CPU Machine Check Architecture Error Dump (CPU: Intel(R) ...
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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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Macbook Altering External Display Colors

I have been using an external display (Alienware 34" AW3418DW) and the monitor appears to adjust its color settings rapidly, IE: blue tones dropping or jumping, much like the screen warming and ...
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1answer
72 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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2answers
80 views

macOS Catalina 10.15.4 - MacBook Pro Retina, mid 2015 - dual screen bug

Since updating to Catalina two months ago I have had this problem: My MacBook Pro HDMI output is attached to a NEC monitor. Every time I log in on my standard account the monitors are mirrored and ...
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1answer
27 views

No Video Output on Second Screen During Startup?

I have a 2018 Mac Mini with two screens attached; one is a 4k screen connected via HDMI, the other is an old 20" Cinema Display attached through a USB-C to DVI adapter. Now, when started up this ...
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1answer
15 views

Using Late 2015 13“ MacBook Pro as a 2nd monitor for Late 2015 27” iMac

I have a Late 2015 13" MacBook Pro (HDMI, Thunderbolt 2, and USB 3) that I want to use as a 2nd monitor for my Late 2015 iMac (Thunderbolt 3 aka USB-C and USB 3). What is the cheapest/best cable ...
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0answers
26 views

Mac Mini still detects monitor when it is unplugged or turned off

I have a Mac mini (2018) that continues to detect an HDMI connected monitor even after the monitor has been powered off/unplugged from power. When I unplug the HDMI cord it does remove it from my ...
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1answer
16 views

Connect Early 2015 Macbook pro to TWO HDMI monitors via Thunderbolt or USB

I have two free thunderbolt ports on my MacBook, and would ideally like to connect to two external HDMI monitors and have the macbook screen active as well. I would like to extend the desktop and not ...
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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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