MacBook Pro :: Digital Audio Output (HDMI) On It When Cinema Display Is Already Connected?
Apr 22, 2012
I would like to connect my Macbook Pro to my hometheatre via HDMI. Normally no problem with the mini display port and an HDMI adapter, but the port is already used for the 27" cinema display... Is there another adapter available that let`s me connect both, an HDMI device and the cinema display to my Macbook? I only care about the sound - I want to get digital sound to my receiver. (I am not interested in the solution via airport express and then connect via analogue audio cable - I am looking to get a digital sound signal all the way through...) about Macobook Pro: mid 2010, 17", Processor 2.53 GHz Intel Core i5, Graphics NVIDIA GeForce GT 330M 512 MB)
Info:
MacBook Pro, Mac OS X (10.7.2)
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Apr 29, 2012
So while at a gig last night with my band, we ran a video from my computer to screens on stage. The chain looked like so:
MBP -> Mini-DisplayPort -> MDP/HDMI converter -> 4-way HDMI Splitter -> LCD Monitors
Now sometime during takedown, someone just decided to unplug something from my computer without consulting me or taking any proper precautions. Now my audio is stuck on Digital Output (type digital optical out). Here's what I know, and what I've tried.I have reset the PRAM/NVRAM?I have killed coreaudio a few times with no luck?I have deleted without progress:
1) com.apple.audio.DeviceSettings.plist
2) com.apple.audio.SystemSettings.plist
3) com.apple.systemsound.plist
I have restarted my computer?I have attempted to use Audio MIDI Setup?I have googled:
1) com.apple.systemsound
2) macbook pro stuck on digital out audio no red light
3) force resetting to internal audio osx
4) force reset coreaudio osx
[code]....
Info:
MacBook Pro (15-inch Mid 2010), Mac OS X (10.6.8)
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Apr 29, 2012
I have a MacBookPro, model: A 1278 (Mid-2010 13"). Is its mini-display port capable of delivering both video and audio output to a HDMI adapter? or just video output only?
Info:
MacBook Pro, Mac OS X (10.6.8), Model No: A1278 (Mid-2010 13")
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Mar 20, 2009
Ideally I'd like to use both the ACD for day to day audio output, then turn on the external amp while watching movies and playing music, being fed by the optical out.Is this possible, or will connecting the optical cable stop all sound from coming through the ACD?
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Oct 25, 2009
Alright so I go the new 21.5 inch and love it but I was wondering if the Mini-Display Port does audio for the HDMI output. Because if it did, that would be wonderful.
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Jun 11, 2012
My sound card seems to be meesing up. It switches back an forth from "Internal Speakers" or "Headpohones" to "Digital Output". For some reason the optical source keeps getting flipped on and is really annoying. I tried blowing out dust to see if that was causeing the comptuer's confusion, but that didn't work. Until I can make time to go to the apple store, is there anyway for me to turn off that certain connection through terminal commands or something?
Info:
MacBook Pro, Mac OS X (10.6.8)
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Aug 30, 2014
I have a (little) problem with my new MacBook Air 2014 (13 inch.) running on 10.9.4 : when I connect it to any HDMI device (Philips monitor or Sony TV through Marantz amplifier) through a mini DP-HDMI adapter, I can't set audio output to HDMI because this option does not exist... However, I have video signal.
I've tried lots of "solutions", but nothing is working :
- Shutting down, restarting, sleeping with and without the cable connected
- Change HDMI cable
- Reset PRAM
Finally, I think the problem come from the Macbook because I have an other laptop (a Thinkpad with a mini displayport, with Ubuntu 14.04) and the video and sound are working normally.
Info:
MacBook Air, OS X Mavericks (10.9.4)
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Jun 23, 2012
I have a 13" mid 2011 MacBook Air and a new ViewSonic VX2453 monitor. I used the Monoprice mini display port to HDMI converter with audio and connected the monitor to my computer's thunderbolt port. The video works perfectly, but the sound isn't working at all. I set my computer's sound output in settings to VX2453 series (type: HDMI), and I set my monitor's audio input to HDMI. Nothing. I also tried changing the frequency in Audio MIDI Setup, which someone recommended on amazon for the monoprice adapter, but that didn't work either.
I tested the monitor's sound by switching audio input instead to "audio in" and connected to my headphone jack, and that worked so the monitor's sound is fine.
Info:
MacBook Air (13-INCH, MID 2011), Mac OS X (10.7.4)
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Feb 16, 2012
I have a MacBook Pro and I connected the TV through HDMI and I get the video but no audio and I dont know what is wrong. TV is connected through HDMI cable and the MacBook is Connected with Belkin adapter through the Video port.
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Aug 28, 2009
I have the latest and greatest Mac Mini. 2.26 with 4 g of ram. I update to Snow Leopard, and now it will not recognize that it has Digital Audio Output via a mini to a Toslink connection. Heck. I am running it through a Classe' Processor with B&W 804s Speakers and it previously worked with the previous Leopard.
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Jun 15, 2010
Does anyone know if the new mac mini models have multi-channel audio out on the HDMI port? or any audio out for that matter?
This has been lacking on the optical audio output of the older models and would rock if it now has this feature.
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Nov 11, 2009
My friend is looking into buying the new 27" iMac Core i7 to replace his PC desktop. The only thing holding him back is that he has an analog surround sound system he uses for his speakers. I am having a hard time myself finding a converter that can make his speakers work in the iMac's optical digital output port. Any products out there that will do that?
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May 4, 2009
I just picked up a new 1.83 core 2 duo at a price I couldn't pass up. I am going to use it as a HTPC so I have my hdmi cable, etc. All hooked up and ready to go. Last bit is the audio but I am having a bit of trouble. I bought a standard miniplug cable and assumed it would plug in just like my macbook. The problem is that the miniplug doesn't fit in the jack on the mini. I understand that the jack on the mini is a combo analog/optical jack but as you see below, it seems as though a standard miniplug y cable should work.
From the Apple support website:
The headphone / line output jack accommodates digital optical audio output, analog audio output with a 24-bit, 44.1-192 kHz D/A converter, digital audio output up to 24-bit stereo and 44.1-192 kHz sampling rate and supporting encoded digital audio output (AC3 and DTS). For analog headphone / line output a standard audio cable with 3.5mm metal plug should be used.
For digital audio, a standard toslink cable with a toslink mini-plug adapter can be used.I have done my research and some reading and can go out and buy an optical cable plus a miniplug/optical adapter but would rather go the analog route (I understand the quality difference) because I already have the cables and don't have a receiver or speakers, just my tv speakers.
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Oct 16, 2010
So I have a ATI Radeon HD 4870 on my Mac Pro and a 26" HDTV and I want to use it as my second display and utilize it's speakers (to watch movies while I work). Can I send audio through a mini display port to HDMI connector from this card or will i have to buy a secondary cable to plug into the audio out jack? Also are there syncing concerns with the two connections (hdmi and auto cable)
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May 9, 2012
I have a late 2011 15" macbook pro running latest lion os that suddenly - when connected to my 24" cinema dislay - speeds up the fan. I have tried to reset both pram and smc, but still it heats up when I connect to the display. What to do?
Info:
MacBook Pro, Mac OS X (10.7.3), 15" Late 2011
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Jun 14, 2009
I'm a recent PC to iMac convert and have hooked up my iMac to my TV receiver (DVI to HDMI connector and a Toslink cable to the audio). The issue is as soon as I plug in the audio connector the iMac speakers stop working. I'd like to leave the connector plugged in and still be able to use the iMac speakers. Of course when I play a movie on the TV I'd just mute the iMac speakers.
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Aug 14, 2010
After months of an incredibly slow internet connection @ home I finally discovered the problem. I have a MacBook Air 1.6 GHz Intel Core 2 Duo. It can connect to any wireless network at home, school, office, etc. However, when at home I connect my Macbook Air to a 23" Apple Cinema Display (ACD) the internet goes from 1500 Kbps to 60 Kbps. Not believing the reason I have tried it several times and there is no other factor. At home I use a 2701HG-T 2Wire router.
Updates:
1) I do not have a network adapter so I can't know if the same would happen with Ethernet.
2) The problem exists whether with my MBA is opened or closed.
3) I do not change the location of my MBA when I connect it to the ACD.
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Aug 25, 2009
How do you tell the MacBook Pro to output to the Apple Cinema Display when the lid is closed rather than go to sleep? I know you can use the ACD as a secondary screen OR as the only screen with the MBP lid closed. Is there a setting somewhere for this?
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Dec 18, 2010
I want to watch movies from my hard drive or disc drive of my Mac is OS X version 10.6.5 3.06GHz Intel core duo 4GB 1067 MHz DDR3, on my panasonic viera plasma tv.
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Jun 25, 2014
I have a Late 2011 MBP, just recently I also go an Xbox and wanted to hook it up to my external display that I have been using for a long time with no issues. I went and bought this: URL....to be able to easily switch between the two inputs. The xbox works fine, however when I view my Macs input the screen flickers a static image very frequently.
I know what you're thinking, it's probably an issue with either a cable, or the device. But when I boot into Windows via Bootcamp with the same exact setup, there is no flicker at all. The display is a dell s2440L, the HDMI adapter is a rocket fish.
Here are the troubleshooting steps I have tried: Resetting PRAM/SMCChanging out HDMI cables on both the Splitter output, and the inputs (I tried 3 different cables on both the inputs, and outputs.)Downgrading OSX to 10.7 (And then went back to 10.9)Lowering the resolution on the monitor (Lower resolutions flicker just as much, if not more.)Resetting the splitter by unplugging the HDMI cord powering it and plugging it back in.and of course, plugging my computer into the splitter input that the Xbox works fine on, as well as taking the xbox one out so the computer is the only input on the splitter.
Like I said, the Xbox works fine, and even the computer works fine in Windows, but whenever I boot into OSX my screen flickers with this static. I should add, the display works fine when not connected to the splitter on OSX.
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Jun 25, 2009
I have a new 15" MBP attached to a 24" ACD. If any sort of audio is playing through the display's speakers while the display (just the display, not the whole computer) is asleep and I wake it up, the audio gets all choppy/static-y until I pause and restart whatever the audio source is (e.g. iTunes).
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Jun 19, 2012
My sound keeps turning off. When I check the settings, the output device switches randomly between Internal and Digital output. I have no idea where the Digitial Output is coming from and this started about a month again. It switches randomly and then I loose all sound for a few seconds. Sometimes it happens once then stops for a few days, other times it switches back and forth for 5 min. No idea!!!
Info:
MacBook, Mac OS X (10.6.8)
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Nov 6, 2010
I've installed a Mac Mini (unibody) on a friend's boat and have the display output through the HDMI port througha distribution amp to 3 TVs. I have been having resolution difficulties though. When the display is output this way (split three ways) the resolution does not fit the displays, and there is no means to change it to a setting where it will fit the TVs. All TVs are full-HD and 1080p. The screen expands outside of the viewable area.
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Mar 5, 2009
I have a 23" Apple Cinema Display but it only accepts DVI input and my laptop only has HDMI output. Would I be able to buy a HDMI to DVI-I converter without loosing any signal quality? If so, would it be expensive? I know some of them are upwards of $300.
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May 25, 2010
i was looking at the monoprice mini diplay to hdmi and it says that audio is not supported. if i have external speakers plugged into my mbp wont i get audio thru those when i play things on my monitor? what do they mean by audio not supported?
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Mar 14, 2012
I now have video but no audio when connecting my macbook pro to my digital TV. TV is Teac HDMI and using moshi mini-display and HDMI cable.
Info:
MacBook Pro, Mac OS X (10.6.8)
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Sep 8, 2014
I bought a MBA 13" last month and now I'm trying to connect an external monitor through a Mini Display Port-to-HDMI adapter and most of the times the display shows a message "No signal detected"...
I've tried all the possible combinations between the MAC and the Monitor but it would seem a random matter.
Info:
MacBook Air (13-inch Mid 2012), Mavericks 10.9.4
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Sep 28, 2009
I have two towers next to my desk at home... my main Mac Pro and my "workhorse" 1.8Ghz dual G5 tower. I have two monitors connected to my Mac Pro, a 20" Apple HD Cinema Display (DVI) and a 23" Apple HD Cinema Display (DVI). I have been using one of the cute 17" Plastic Apple Displays with ADC to view the output of the G5 tower while it's toiling away on something, but I'd prefer to switch the output of the secondary 20" Apple HD Cinema Display between my Mac Pro and the G5 instead,
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Jun 27, 2012
i currently have my mac mini server Mid 2011 hooked up to my 27' inch apple cinema display and it flickers once a while.
Info:
Mac mini, Mac OS X (10.7.4), Connected to 27' LED Cinema Display
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Apr 26, 2010
[URL]
Despite its description, I hooked it up to my receiver and it does NOT pass audio through. I've been hunting around and all I've found so far is one Youtube video of a guy with an adapter that worked (in the sound section of the system preferences, it shows another option for output that I didn't have), but not what adapter it was.
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