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 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
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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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
56 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
916 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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0answers
94 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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235 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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646 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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87 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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282 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 ...
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82 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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49 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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223 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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176 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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45 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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110 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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58 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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2k 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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186 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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165 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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434 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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429 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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221 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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718 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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667 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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228 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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3 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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65 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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87 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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44 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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314 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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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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255 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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76 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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59 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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445 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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169 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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70 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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73 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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688 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
85 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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133 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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188 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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165 views

I can't use 1080p when connecting to my HDTV from my MacBook Pro

When connecting to my HDTV (AOC, identified as "ZORAN MATRIX" to my Mac) from my MacBook Pro (MacBookPro9,1) via the mini-display to HDMI adapter I get a blank screen with intermittent random garbage ...
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93 views

iPad lighting adapter for hdmi and USB

I've seen a few third party lightning adapters that have an hdmi port and a USB host port. Does anyone have experience using one and can guarantee that a particular model lets me mirror my iPads ...
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162 views

iPad hdmi or airplay mirror support every app without lag?

Does either the hdmi adapter or airplay mirror show me the iPad screen on every app (if the app does not have a separate secondary display view coded) and without any lag? For example, could I use ...
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56 views

Macbook pro suck in dual display mode

After disconnecting the HDMI cable, the MBPro still thinks it is connected to a monitor. The mirroring options tab is still available in the toolbar as well. I can even switch views to the "LG TV". ...
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197 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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393 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 ...