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

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56 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
147 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 ...
2
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1answer
323 views

How do I tell OS X to always mirror displays when I plug them in?

I plug the same external HDMI monitor in every day, and each time, I have to manually switch from external to mirrored mode. It's minor, but annoying. Is there a way to tell OS X to default to mirror ...
2
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1answer
4k views

Problem with Mac HDMI - Thunderbolt display to Sony (not a cable problem)

I have a 13-inch Macbook Pro with Mountain Lion installed. I bought an HDMI - Thunderbolt cable months ago in order to watch movies, TV shows and whatnot on my TV (Sony Bravia). The cable had been ...
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1answer
1k 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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1answer
196 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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1answer
106 views

Dual Monitor support without external video card

I'm thinking about buying a MBP Retina 13". Now I want to work at home on 2 Monitors, so the MBP will be somewhere under the table. Is it possible to connect first Monitor via HDMI and the other one ...
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1answer
407 views

New MBP 13" can't connect to external monitor

I am trying to connect my oldish LG monitor with DVI port (adapter hdmi to dvi is in monitors end) to my macbook pro 13" (late 2013 haswell model) and it is pretty weird, macbook recognizes monitors ...
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1answer
723 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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0answers
809 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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0answers
109 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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0answers
262 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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0answers
28 views

Can an MacBook's Thunderbolt port be used as an HDMI “in” to view a feed/signal from a video camera?

I am a filmmaker who wants to be able to use my macbook as an external monitor for a video camera in a studio-interview type setting. The camera is decent, but its screen is small and I don't have any ...
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0answers
50 views

Would using thunderbolt-to-hdmi help?

Late 2013 Macbook Pro 15.4" 2.6Ghz I connect HDMI and not always do the full spectrum of resolutions appear within the list of choices? System Preferences (app) -> Displays (preference icon) ...
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0answers
92 views

iMac and HDMI display - not turning off properly

I'm using iMac on my work and when i said to my boss that i need 2nd display for work he ordered it and it arrived. Philips Gioco 27" But that display has only VGA and HDMI ports, no DVI. So we bought ...
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59 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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262 views

My monitor doesn't sleep if my mac is connected via HDMI: who's at fault?

I have a MacBook5,1 running 10.8, and an Asus VW246 monitor. I connected it to the monitor using a "MiniDisplayPort->DVI(f) adapter" + a "DVI(m)-DVI(m) cable". Now I've bought a single ...
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0answers
200 views

Force 2560x1600 through HDMI on a Mid 2011 Mac Mini?

So I want to run dual 30" monitors on my mid 2011 mac mini. I have two U3014 monitors. While one works fine through mini display port, the other one is forced to run at 1080p via HDMI. Is there anyway ...
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0answers
121 views

Why is my MacBook Pro Hanging when using two VGA monitors, one connected to HDMI and the other to a USB port?

I have a MacBook Pro that started to hang recently. I'm looking for insights on the cause and potential fixes. The Apple Genius Bar folks did not find anything. It is configured as follows: ...
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0answers
63 views

How to change audio output according to display state?

I've got a Mac Mini connected to a TV via HDMI. I would like to have the audio output device changed automatically to external speakers if the TV is turned off. I can imagine that this feature is not ...
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0answers
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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199 views

Black borders with external monitor on MBA 2013

I have a problem that I'm not able to fix. I'm getting black borders, some king of margin. The display doesn't use the full space in the monitor. I have a total of four monitors in my house and three ...
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0answers
175 views

My mac mini HDMI display switch off and on

I have a mac mini (mi-2011) connected to a screen using an HDMI cable. I have nothing on the screen except several second from time to time. I tried to autodetect the monitor in the system ...
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464 views

How can I watch iTunes HD Movies from my iMac on my HDTV?

I've had difficulty watching my HD iTunes Movies on an HDTV. Does anyone have a success story on how to do this? What are you using? For some reason, my current setup fails at the HDCP ...
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0answers
476 views

Retina Macbook Pro with External Display (Samsung BX2440)

I have just switched to a rMBP from a Windows 7 laptop. I use an external 24 inch monitor (Samsung BX2440) via the HDMI port on the rMBP. It seems that due to some scaling, the text on the external ...
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246 views

How to debug external display connectivity problems?

I'm having problems with connecting my retina MBP with external displays of all kinds. The DisplayPort->VGA adapter has a 1/4 success rate. The HDMI port (via a DVI adapter) does not see my monitor. ...
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0answers
756 views

iMac - 2nd display not working using thunderbolt - HDMI

I recently bought an LG monitor to use as a 2nd display but my iMac (mid 2011, running Mac OS X Lion) doesn't detect it. It's connected using a Thunderbolt-to-HDMI-cable (which I bought from The ...
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0answers
681 views

MacBook Pro HDMI No Sound

I purchased a MacBook Pro in March of 2011. I plugged a mini-to-HDMI cable from my laptop into my Sony receiver. I have no a picture, but no sound. There is no external source listed in the sound ...
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231 views

Any way to compare Thunderbolt config in picky iMac 21.5“ and happy MacBook Air 11”

Having tried to debug a really annoying 21.5" iMac for a day now, I'd appreciate any hints. The scenario goes like this: We got an iMac 21.5"(Mid-2011) for an auditorium and plugged it in through an ...
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29 views

Extending desktop to 2 monitors with Cirago NuView X2 - MiniDisplay to 2 HDMI adapter

I am trying to extend my Mac desktop across two monitors. I am using the closed shell using Cirago NuView X2 Mini DisplayPort to 2 HDMI Adapter. The adapter claims that an extended desktop is ...
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99 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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0answers
36 views

MacBook Pro 10.6.8 mid-2011 and HP Compaq LA2205wg working only when MBP on battery

Weird behavior of MBP and external HP screen. When MBP is on battery - everything works perfect. But when power supply is connected to MBP - external HP screen is going black. "Monitor going to sleep" ...
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0answers
122 views

DisplayPort to HDMI not working correctly?

Macbook Pro 2012 (Non retina) OS X 10.9.2 Belkin DisplayPort to HDMI adapter I'm connecting the DisplayPort to HDMI adapter to my new 65" Vizio Smart TV. However, when I make the displays dual ...
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8 views

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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0answers
147 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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75 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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474 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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0answers
65 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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0answers
349 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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0answers
179 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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73 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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0answers
345 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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0answers
91 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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79 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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0answers
1k 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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0answers
93 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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0answers
170 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 ...
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0answers
215 views

Mac Mini needs HDMI unplug-replug after it's been asleep

I have a Mac Mini hooked up to my TV in my living room, connected via my audio received, and via HDMI. If I leave the Mac until it goes to sleep, the TV screen goes blue (as expected), and the Mini ...
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208 views

What kind of connector do I need for my HDMI cable for Apple TV?

Apparently, there are five kinds of HDMI cable connectors. Which do I need for Apple TV? I was looking at buying this cable.
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424 views

How to set up macbook 2008 to samsung led tv - sound issues

I have a Macbook, and the specs are: OS x 10.5.8 2.2 Ghtz Intel Core 2 Duo 2Gb 667 Mhtz DDR2 SDRAM mini-dvi out I have a Samsung LED TV with HDMI in , Component in with twin phono in I have ...