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

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Joining Audio + MiniDVI to HDMI

Sometimes I like to use my ancient MacBook as a video playing machine. With recent MacBooks one has the convenience of the presence of audio along with video in the mini DisplayPort / Thunderbolt ...
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125 views

MacBook Pro 11,3 with dual Dell P2715Q 27" Monitors

I have two Dell P2715Q 27" external monitors I want to connect to my 15" MacBook Pro 11,3 with OSX 10.10.2 ordered around September 2014. I've tried connecting it as follows: note: tb = thunderbolt, ...
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1answer
62 views

Multiple non-thunderbolt monitors to MBP-r '12

Does anyone know if it's only possible to add 3 external monitors if at least one of these is a thunderbolt display? I'm asking since I would love to hook up 3 Dell monitors to my macbook at work. ...
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1answer
33 views

Mac to HIteker Tv through HDMI

Recently we have moved my HDMI cable to use on a different TV and when I brought it back to my room and used it to connect my MacBook Pro to my Hiteker TV, my mac recognizes the TV but the Tv doesn't ...
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94 views

Dual-Monitor: Second monitor black after sleep mode

I'm using two Elgato Thunderbolt Docks on my MacBook Pro Mid-2012. I connected two displays to them: One HDMI display on each of them. Both are LG-Displays, one a 16:9 and one a 21:9 display. This ...
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1answer
90 views

Can you mirror an iPad to a TV via HDMI adapter while iPad is locked?

I have an iPad connected to an HDTV using the [Apple Lightning Digital AV Adapter] (http://store.apple.com/us/product/MD826ZM/A/lightning-digital-av-adapter). When the iPad is on everything works ...
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1answer
47 views

Is there a technical reason why I cannot find a mini display port to hdmi (female) cable that's more than 6 inches?

I've looked and looked and don't see one. Do they just not exist?
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1answer
107 views

Monitor and MacBook Pro not on speaking terms anymore

This one puzzles me. I have this setup [MBP]<----[HDMI]----[HDMI-DVI Adapter]---->[BenQ FP222W] When I plug in the monitor, the MBP detects it and the screen flashes like normal. Likewise the ...
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49 views

Will a typical HDMI-to-DVI adapter work for Mac mini 2014?

Our company is going to buy me a Mac mini 2014 and I have this DVI monitor that I can use as a screen for it. The Mac mini doesn't have a DVI port so I may need an HDMI-to-DVI adapter for the setup. ...
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1answer
387 views

rMBP kernel_task spikes when connecting more than one external monitor

When connecting a second external monitor kernel_task spikes to 600%+. This makes the computer unusable. Before Yosemite, this worked fine with 3 monitors. Here are the specifics: When I connect ...
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1answer
331 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
193 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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1answer
135 views

Is there a difference between HDMI or Thunderbolt for monitor?

This is my configuration: Samsung S22A300B monitor (with VGA and DVI input) Computer A 2,6GHz Mac Mini from end of 2014 HDMI to DVI cable Thunderbolt to VGA cable Computer B Mac Book (yes, old) ...
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1answer
61 views

AppleTV interrupting while playing movie

My new black Apple TV (3rd generation) is plugged into my flatscreen by HDMI. All worked fine. A few days ago there were sudden "interruptions" while watching a show from netflix: no video, no ...
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343 views

Can't connect MacBook Air to LED TV anymore

I'm not sure if it was that recent security update, or the fact I've bought a new television, but it seems my Macbook Air no longer wants to play with the television at all. It's a little old, Late ...
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2answers
248 views

Best practice to connect two monitors with my Macbook Pro

currently i am asking which is the best practice to connect two HDMI monitors on my Macbook Pro. I have on HDMI slot and one Display Port. It is possible to chain the monitors via one display port or ...
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6 views

using iMac (2014) as Display for pc source [duplicate]

I have got iMac (2014 model), which I want to use as external display for my windows laptop. Is is possible? if yes, how? I have got a male-to-male mini-display to hdmi connector. But when I connect ...
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2answers
100 views

Can I use HDMI for audio only without video?

When I connect an HDMI display to my computer, it uses it as a display. I can't figure out how to use the HDMI cable for audio only and only use my laptop monitor. Is this possible?
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3answers
840 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
355 views

Thunderbolt to HDMI (Not DisplayPort to HDMI)

My first question is do Thunderbolt to HDMI adapters exist? The reason I'm specifying Thunderbolt and not DisplayPort is because I have a Belkin Thunderbolt2 Dock. If I use a MDP>HDMI adapter and the ...
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86 views

External display occasionally shows just noise

When I'm at work I have my Macbook Air mid-2013 hooked up to a Samsung SyncMaster 2443 display via a ThunderBolt-to-HDMI adapter and then to a HDMI-to-DVI adapter. Almost every second time I switch ...
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1answer
574 views

Can I use dual 4k Dell P2815Q monitors on the Retina MacBook Pro (late 2013) with Yosemite at full resolution?

Will this monitor plug-and-play with Yosemite on this MacBook model without having to install Xcode and mess around with creating custom settings? Can I have two of these plugged into this MacBook ...
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3answers
917 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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1answer
248 views

Intel HD 3000, HDMI and 2560x1080

I recently purchased an ultra wide monitor, with a native resolution of 2560x1080. This is great but it's only working with Windows ! Apple is limiting HDMI resolution to be no more than 1920x1080, ...
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1answer
97 views

How to connect 24" Apple Display to HDMI output of Mac Mini 2011?

Trying to have two monitors connected to Mac Mini mid-2011. It has one Mini DisplayPort and one HDMI outputs. I have 27" monitor connected to Mini Display port of the Mac Mini mid-2011. I was going ...
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50 views

Dual monitor support from the HDMI port on a 2012 Mac Mini

Will the HDMI port on a late 2012 Mac Mini support dual monitors (landscape) when run to an HDMI matrix distributor for connection?
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56 views

Plug out any USB device “disconnects” HDMI Monitor

whenever I unplug an USB device (no matter what, hard drive, usb stick, dvd drive ...) the HDMI-Monitor connected to my MacBook becomes "disconnected". This means that all Windows etc. are now on the ...
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261 views

HDMI to DVI Adapter not working on Mac Pro

I brought a new Mac Book Pro and I'm trying to connect it to my Dell U2414 monitor from Mac's HDMI port. I am using HDMI to DVI adapter connected to DVI cable, the Dell Monitor provided. The Mac is ...
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1answer
796 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.
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83 views

Video-only HDMI-out

Given: My TV is not connected to good speakers and I really prefer to use my wireless Bluetooth headphones anyway. Then: Is it possible to connect my iPhone/iPad to the TV using HDMI-out for video ...
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1answer
336 views

macbook pro detetcts 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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60 views

External projector not working on MBPR 2013 late 15"

After I upgraded to 10.10. I can not use projector in extend mode or mirror mode. It seems my MBPR has detected the projector, But the projector just can not show its display correctly. I've tried ...
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450 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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177 views

My MacBook Pro recently stopped responding to my hdmi adapter and cable

One day my Mac just stopped working when I connected it to my TV using an adapter and HDMI cable. Every time I plug in the HDMI and turn the TV to those settings both my TV and Mac screen go black. I ...
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1answer
482 views

MacBook Pro unusable when HDMI output is connected

My new MacBook Pro Retina 13″ (OS X 10.10) gets completely unusable when I attach the HDMI cable to the HDMI port. I have noticed that there are few processes that will start to consume crazy memory. ...
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71 views

How do I connect sound to my tv from Macbook 13' from 2009

I have a WiresMEDIA HDMI. Perfect picture on TV, no sound. Also, my TV doesn't show in "systemsettings->sound". Free good karma to the winner who can help!
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660 views

External Monitor Showing only noise after yosemite upgrade

After upgrading to yosemite , i see just noise on the external monitor, using a mdp to hdmi converter and an hdmi to dvi cable. It worked very well on mavericks. I don't have display now after ...
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1answer
25 views

Multitasking on iPhone 5s while HDMI displays something else?

How can I keep HDMI playing movies while using other apps on my handset? I initially thought that the adapter merely mirrored pixel-for-pixel, but during movie playback it is possible to reveal the ...
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1answer
2k 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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75 views

rMBP detects external display but cannot dual, can only mirror in 720p or 1080i. Suggestions?

I set up an external display from my rMBP using an HDMI to HDMI. When the display is not mirrored, the external screen says "Unsupported Mode." When it is mirrorered, it only works in 720p or 1080i. ...
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3answers
1k views

Keep MacBook Pro awake in a clamshell mode + HDMI switcher setup

I'm running a setup with the latest Retina MacBook Pro, a Windows desktop and a single external monitor. Both machines are outputting display to a HDMI switcher, which connects to the monitor. I can ...
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722 views

HDMI Display failure on Mac mini (late 2012)

I have a late 2012 Mac mini running OS X Mavericks (10.9.5). When I hook up two displays to the computer (one Thunderbolt, one HDMI) it will configure and work properly for a time. After 1-2 hours, ...
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1answer
147 views

Flickering external monitor w/ MBP retina 13"

I use the latest 13" MBP retina and I wanted to use an external display (LG IPS231) through hdmi but the LG doesn't have an HDMI port. So, I plugged the HDMI cable into my laptop to an HDMI to DVI ...
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86 views

Connecting late 2012/early 2013 MacBook Pro to a Dell U2713HM… issues

I recently purchased a Dell 27 inch monitor. I didn't have an adapter to convert HDMI into Thunderbolt, so I used the VGA to Thunderbolt connector instead and it worked, albeit with only 2048px ...
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1answer
931 views

Mac Mini with Dell UltraSharp U2713H - Not Sharp

I have bought myself a 2012 Mac mini and have it hooked up to my Dell Ultrasharp U2713H via HDMI. Everything works, but the text and everything else looks fuzzy and not sharp. Plus from what I can ...
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95 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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4answers
2k views

Can MacBook Pro with Retina display (13", Late 2012) output above 1080p to 4k tv?

I have a late 2012, 13-inch MacBook Pro with Retina display. Apparently it has Intel HD Graphics 4000. I just bought a Seiki 50" 4k TV and would like to connect it to my laptop with as high a ...
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1answer
1k 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
244 views

OS X Video Driver corruption

I have a mid-2010 Macbook Pro with 10.9.4. I've been using it with a Seiki 39" 4K TV as a monitor for about a month now with no problems. (This is using an UltraAV MDP to HDMI Active Adapter cable.) ...
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134 views

Mini Display port - HDMI to LG TV image problems

I have connected my Macbook late 2008 with mini display port adapter to HDMI cable to LG TV. I have some problems with the image on the screen. They look green-blue and sometimes the image is ...