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

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140 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 ...
4
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0answers
320 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 ...
3
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0answers
928 views

External monitor displaying 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 have no display now after updating, ...
2
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0answers
167 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. ...
2
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0answers
203 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 ...
2
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0answers
55 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) ...
2
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0answers
97 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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209 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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174 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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67 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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297 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
221 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
133 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
80 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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217 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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198 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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0answers
505 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
523 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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0answers
281 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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797 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
687 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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236 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 ...
0
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0answers
12 views

Force Mac OS X to Register USB devices

I'm using an HDMI CEC adapter connected via USB to my Mac Mini (Machine model Macmini6,2). Often when the Mini is rebooted it fails to register the adapter. Unplugging and replugging the USB cable to ...
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22 views

Thunderbolt to HDMI no image

I purchased this adapter (it is not original) and when I connect my macbook to a TV (Sanyo) the macbook detects it (it even blinks) but I get no image on the TV. Is there something I need to configure ...
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33 views

How to avoid external display going off after I unplug a MacBook from the AC Power?

When I have my MacBook Pro 10.10 connected to the AC Power my external display connected through HDMI works fine. As soon I disconnect the MacBook from the AC Power and start running on battery, my ...
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0answers
15 views

Mac mini 2010 HDMI displays static

I've got a mid 2010 mini connected to my TV via HDMI. When I boot the computer, the Apple logo appears with a progress indicator just fine. However after several seconds the screen blinks and then ...
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0answers
50 views

Change refresh rate/resolution on Seiki 4k using Mac Pro via HDMI?

I have a late 2014 (current model) Mac Pro and I use a Seiki 50 inch 4k TV to for that computer (the seiki does 30hz at 4k and should do 120 at 1080p). I use the HDMI port on the Mac Pro to directly ...
0
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0answers
39 views

2 External DVI Monitors from 1 Thunderbolt 2 port on Macbook Pro Retina late-2013 or better option

I have read some topics on here regarding the title. It sounds like, for the most part, running two displays from a single Thunderbolt 2 port doesn't really create an extended desktop, but a stretched ...
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64 views

HDMI port on MBPr 13" (late 2013 11,1) stopped working after 10.10.4 upgrade

I used to connect my MBPr HDMI port to my office ASUS MX299 display every morning for like a year, and everything was just fine. Recently I have updated to 10.10.4, with external display detached. ...
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85 views

problem connecting 2015 macbook pro to projector trough hdmi

when i'm connecting my macbook pro to projector trough hdmi i get black screen for a second then it goes back to normal screen... and this repeats in a loop while the cable is connected, and stops as ...
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0answers
105 views

Display connected via DisplayPort disconnects, reconnects when resuming, resizing windows on display

I have a new LG 29UM55 29" Ultrawide monitor, resolution of 2560 x 1080, connected via DisplayPort to my 2012 MacBook Air 13" via a Cable Matters Mini DisplayPort to DisplayPort cable that reportedly ...
0
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0answers
64 views

Macbook Pro - VGA to HDMI adapter second display resolution problem

I bought a NON APPLE VGA to HDMI adapter. It works well with other PCs but when I connect it to my mac and connect a second display to it, The resolution is locked at 1336 by 768. When I go to the ...
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66 views

Problem with external monitor quality!

I'm trying to connect my MacBook Pro 15'' Late 2012 to an external Full HD TV/Monitor via a Mini Displayport to HDMI cable. The quality is not good at all! It looks blurry, especially the font! Does ...
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0answers
166 views

Options for connecting MHL AV receiver to iPhone

I have a Pioneer receiver at the heart of my entertainment system. One of the HDMI ports is MHL, which I understand means the receiver feeds power, and provides control signals to control the ...
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0answers
14 views

White Noise when exit from 3D games in bootcamp

I am using macbook air 2014 and installed the windows 7 64 bit using bootcamp. Right now I am using the thunderbolt (mini-display) to hdmi convert-or and hdmi cable. I use steam to play game and ...
0
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0answers
53 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 ...
0
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0answers
74 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" ...
0
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0answers
143 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 ...
0
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0answers
13 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
94 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. ...
0
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0answers
528 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
86 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
445 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 ...
0
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0answers
264 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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0answers
82 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 ...
0
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0answers
557 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
109 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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83 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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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, ...