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

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Is it fundamentally impossible to have passive thunderbolt to dual-link-DVI or HDMI adapter supporting 2560x1440?

Is it fundamentally impossible to have a passive (NOT the expensive USB-powered active ones) thunderbolt/mini-displayport to dual-link-DVI or HDMI adapter that can support 2560x1440 external monitor?
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2answers
62 views

External Monitor not working on MacBook Pro 2015 with HDMI-VGA converter

I have an HDMI to VGA connector and a Samsung LED screen. The screen is fine, the VGA cable is fine, the connector is fine (tried with different laptops running Ubuntu and Windows). The Problem: ...
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1answer
4k views

How do I reset/clear my external display settings in 10.9?

I messed up the settings for the clamshell display mode on my MacBook Pro. I can't get my external display to work when I close my laptop. I can get all other modes working (standard mirroring and ...
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2answers
1k views

Sharing screens/monitor between Asus Laptop and iMac

I have the following equipment: An iMac 27" (mid-2011 windows 8 BOOTCAMP with 2 thunderbolt port and 1 miniDisplayPort) An ASUS ROG laptop (with 1x VGA port/Mini D-sub 15-pin for external monitor / ...
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1answer
17 views

HDMI Input onto a MacBook Air

I have a Canon DSLR camera and I am trying to get the output from the camera onto a MacBook Air so I can then AirPlay the MacBook to a different Room. The other room is on the other side of a school ...
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17 views

Mac mini 2014? Connecting to a 2nd monitor

I currently have a mac mini with a thunderbolt connecting my vga monitor to this. I now want to connect a second monitor but my problem is this....I only have a hdmi female in the mac mini and the ...
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2answers
646 views

wifi and hdmi problems on OS X yosemite (macbook pro 15-inch retina, late 2013)

Just wondering if anyone has been having this issue and found a workaround: My wifi works consistently both on Ubuntu and Android. Sometimes it also works on OS X, other times it does not - not even ...
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1answer
3k views

HDMI output problem with late-2013 13 inch macbook pro with retina

I just bought late-2013 13-inch MacBook Pro with retina. I want to connect it to my Samsung 32'' TV at home and DELL u2412m monitor at work. None of these connection is working right now. MacOS X ...
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1answer
4k views

30hz vs 60hz 4K output

I am currently using a MacBook Pro 13" 2015 model with a Samsung U28D590 UHD display. Currently I am using the HDMI port of the monitor with a mini-displayport to HDMI adapter and receive 4K 30hz ...
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4answers
44k views

Troubleshooting HDMI connection between MBP and Sony Bravia TV

I'm trying to connect my MacBook Pro (late 2011) running Mavericks to my Sony Bravia television like so: MBP thunderbolt port -> Mini DisplayPort cable -> HDMI cable -> TV HDMI 1 port. However, I'm ...
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1answer
2k views

EDID loss on HDMI switching

I have a LCD tv hooked up to an HDMI switcher flipping between a Mac Mini (2006 snow leopard using a DVI - HDMI cable), cable tv and dvd player. Trouble is, whenever the switch goes away from mac ...
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0answers
13 views

How to display non-DV video signal with Firewire input?

Is there any way to get the video signal output from a Displayport (mDP) or Thunderbolt (1 / 2) socket into a Firewire (FW800, IEEE 1394) input? What cables, adapters and drivers or other software ...
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1answer
31 views

Can I use a USB to HDMI converter to set up 2 external monitors on my 2015 Macbook Air?

Can the Macbook Air (2015 model) power a second external monitor via it's USB port (using a USB to HDMI cable)? I would also need to connect an external keyboard and mouse, so I plan on getting a USB ...
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2answers
4k views

Mac mini (Late 2014) and 4K TVs

Based on Apple's documentation, my Mac mini (Late 2014, mid-range model with Intel Iris) should be able to support 4K video through HDMI. I've plugged in my Seiki 39" 4K TV (SE39UY04), but when the ...
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1answer
3k views

Macbook Pro detects the screen, but external screen stays black (mini dp to hdmi)

I am trying to connect my MacBook Pro (OSX 10.9.3, 2.4 GHz Intel Core i5, 8GB DDR3) to Panasonic Viera TH55AS670D LED TV through Mini DP to HDMI connector. When I connect the wire my laptop screen ...
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2answers
441 views

Can I prevent OS X from resizing and moving windows when sleeping while attached to an external monitor?

I have my Retina Macbook Pro connected to a ASUS 2560x1440 display via the HDMI port. I keep the laptop lid closed so the monitor is the only display in use. When I sleep my computer (via hot corners ...
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25 views

External monitor cuts out on MacBook with Multiport Adapter

I have a newer MacBook with only a USB-C port. I use an Apple USB-C Digital AV Multiport Adapter, and the HDMI output has worked in the past. When hooked to my new ASUS monitor with an HDMI cable, ...
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2answers
55 views

Can one buy an Ethernet and HDMI Thunderbolt adapter?

I need both of them and I am wondering if it is possible to buy them together or if I have to get two separate items? Also I am seeing a lot of third party Thunderbolt>HDMI adapters for cheap and ...
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0answers
12 views

Some Applications Muted on Mac when External Displays Connected

For some reason, whenever I plug in my external displays to my MacBook Pro (Retina, 15-inch, Mid 2014), certain applications seem to mute themselves. My audio output is set on Internal Speakers. One ...
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3answers
3k views

2013 Macbook Air not showing 1440p Option on External Display

I have a mid 2013 Macbook Air with the Intel HD 5000 graphics chip. I recently purchased a 27" Acer K272HULbmiidp 1440p (2560x1440) monitor that just arrived today. I connected it via a mini ...
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2answers
504 views

How can I stop sound switching to internal if I close the lid on my MacBook while playing video on HDMI-connected TV

If I connect an HDMI cable to my MacBook (mid-2010 white model, Mavericks 10.9.2) and play a video, then the audio comes out of the TV - so far so good. If I then close the lid while the video is ...
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4answers
15k views

Force external display refresh rate

I have a 27" screen which is connected to my mid-2012 MacBook Pro retina through a HDMI/DVI-D (HDMI on the MacBook Pro, DVI-D on the screen). Before I was using a adapter DisplayPort+USB/DVI-D and I ...
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1answer
21 views

Using an iPad to view video from a set top box / DVD player over HDMI?

From time to time I need to test set top boxes / DVD players, currently I carry around a 20" HDMI monitor to test them on, but is it possible to use an iPad as an display with an HDMI input adaptor ...
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4answers
5k views

MacBook Air 2012 Mini DisplayPort not working with HDTV

I'm trying to connect my 2012 11" MacBook Air to my Panasonic p60st60 1080p plasma HDTV using a new Monoprice Mini DisplayPort to HDMI adapter & 6' HDMI cable. My TV displays a "No signal" ...
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5answers
17k views

Desktop icons have disappeared after using HDMI cable (Yosemite)

I had a strange issue recently where I had to reset PRAM after using an HDMI cable with my MBP (it had a blank screen on boot). I feel like this is again related to the HDMI cable. After using it, ...
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0answers
76 views

Resolution problem on external display with Thunderbolt->HDMI adapter

Let me explain problem in quick bullets: What I want: I would like to use ultra wide external display with 3440x1440@50hz resolution with my MacBook Pro (Retina, Mid 2012). I would like to use my ...
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3answers
9k views

HDMI VGA projector cannot connect to Macbook Pro

Why doesn't the projector find the Macbook Pro when connecting a VGA cable to the HDMI port on Macbook Pro via an adapter? It does work on a Windows machine. I know that to fix this problem one needs ...
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0answers
29 views

How do I record HDMI input to a file with my Mac

So I have an HDMI signal and an HDMI to USB adapter. I need to record this HDMI signal to a video file. Zero budget. Will plugging this into my Mac work as a video input? If not, how else do I do ...
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1answer
43 views

2 External monitors on 21,5 iMac Late 2009?

So I wonder if I can use 2 external monitors on my Late 2009 21,5 iMac? I currently use 1 external monitor and it works great but I now want to sell it and use 2 external monitors but there is only ...
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3answers
1k views

Connecting 2015 15" Retina MacBook Pro to Dell U2715H?

What would be the 'best' way to connect the 2015 Retina MacBook Pro to a Dell U2715H monitor? If I wanted to use the monitors USB 3.0 ports and also output sound to a Dell soundbar, how many cables ...
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2answers
15k views

Connect a Thunderbolt Display to windows 8 desktop

I've been spinning around with this question but couldn't find the answer. Hope someone here could help. I have been trying to connect my Windows 8 desktop to a Thunderbolt Display 27" without ...
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2answers
19 views

Can MBP 13 mid 2012 send audio and video through thunderbolt to HMDI?

I own this model: https://support.apple.com/kb/sp649?locale=en_US And I have an adapter thunderbolt to HDMI that works wonderfully with video, but no audio. Does someone has any advice on a product ...
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2answers
2k views

Where can I purchase Female Thunderbolt to HDMI cable?

I have a Apple Thunderbolt Display 27 which I want to use in Windows machine with HDMI port only. So I basically need to cable which will have female thunderbolt port in one side and male HDMI port in ...
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6answers
12k views

Connect 2 external Monitors with Belkin's Thunderbolt 2 Express Dock HD

I need a little help here, I have attached my MacBook Air Mid 2013, to an Belkin Thunderbolt 2 Express Dock HD. On the product page it says that one can connect two monitors. The only condition is ...
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1answer
64 views

macbook pro to external monitor 1920px via hdmi?

I just got macbook pro 13inch retina and the default resolution is 1280px width, and maximum is 1600px. If I connect this laptop to an external monitor via HDMI which has 1920px resolution, will the ...
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0answers
37 views

MacBook Pro Connected to External Monitor issue

I connect my Macbook to an external LCD screen, using their VGA and HDMI ports. When I try: The LCD is black with no signal The MacBook flickers LCD screen, VGA-HDMI cable checked and work fine. ...
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3answers
528 views

Are HDMI to VGA converters/adapters compatible with Mac?

Recently I purchased an HDMI to VGA adapter that actually converts the digital signal to an analog VGA signal to connect a computer to an external monitor. It works perfectly with a Windows PC that I ...
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0answers
46 views

How not to miss the elimination of Optical Audio Output from 3rd to 4th gen Apple TV

I speculate that the audio signal at the Optical Audio Out of the 3rd generation Apple TV is always the same audio signal within the HDMI output. I further speculate that that's the reason behind ...
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2answers
6k views

Driving a 4K display at 60Hz with rMBP

I've been Googling so much my eyes hurt. I have a 2014 rMBP. I want to use it with a 4K display or UHD TV at 60Hz that's at least 30" big. From my research, this means either using something with a ...
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0answers
27 views

3xHDMI out of a single Thunderbolt port - 2015 MBP

I'm planning on purchasing 3 HDMI monitors to use as a workstation for my MBP. For the sake of ease and convenience, instead of using the native HDMI + 2 mini DP to HDMI adapters, is there any way to ...
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4answers
25k views

Volume Keys not working with HDMI audio on mac OSX Lion?

I have a mac mini 2011 with OSX Lion. And I have connected my monitor (with integrated speakers) through hdmi port. The sound is working fine, but the volume keys on the keyboard don't work. When I ...
0
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1answer
120 views

What non-Apple external monitors are currently recognized as 2 pixels per point?

I was thinking about getting a Dell 4k or perhaps a 2560x1440 display, but then I realized that not all non-Apple displays are recognized as 2 pixels per point even though the ppi is high enough. Is ...
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1answer
91 views

MacBook Pro Retina 15 connecting a 4k monitor

Just got a new MacBook Pro 15 Retina (mid 15). I have an Acer 4k-monitor which I'm looking to connect to the MacBook but I can't figure out how. The Apple website and FAQ's weren't helpful. I want ...
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2answers
245 views

Should I upgrade my Mid 2009 MBP 15 2.8 to MBPr 13?

I code on eclipse and XCode on my Mid 2009 MBP 15 inch 2.8 ghz works very good. (very good = acceptable compile times and almost no occasional freezes. You don't get because of the slowness ...
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1answer
500 views

MacBook Pro Screen Flickering when using HDMI to VGA adapter to connect to external monitor

My MacBook Pro 2014 keeps flickering when I plug in a HDMI to VGA converter to it. I am using HDMI to plug in the HDMI to VGA converter (which is plugged in to my monitor). The screen is just black ...
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1answer
204 views

Is there a way to mirror to HDMI display on FileVault login screen?

I have a MacBook Pro Retina & Mavericks, with FileVault 2 enabled. I also mirror to an HDMI display, but it doesn't show anything on FileVault 2 login. This is an issue, because I'd like to get a ...
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1answer
61 views

System volume locked on Mac mini when using HDMI audio

I just connected my Mac mini (Late 2012) to my TV using HDMI. Now, all works good, except that I cannot set system volume on the HDMI link. That is, if I switch from built-in speaker to HDMI audio, ...
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3answers
5k views

Rotate iPad Video out when connected to a monitor

I have a HDMI -> iPad adapter that I'm using to connect my iPad to a monitor to do a demo at a tradeshow. The monitor I'm using is placed vertically, so I need to rotate the video out from the iPad to ...
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0answers
1k views

HDMI & VGA issues with MacBook Pro Retina & Acer Monitor

I'm having a very strange issue. I inherited an Acer monitor from a friend that is full HD, 1080p. Good monitor overall. When connecting ONLY an HDMI cable from my Mac to the monitor, I get no signal. ...
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1answer
5k views

HDMI to VGA converter with Mac mini

I have bought a Mac mini today. My monitor is only VGA. After connecting HDMI to VGA converter my monitor is not getting any signal. How can I fix it? Please help me. I am so frustrated.