Mini Displayport/HDMI cable & Audio Y cable to Vizio. No sound!

13-inch MacBook Pro, mid-2009
Vizio E320i-A0
I connected a mini displayport/HDMI cable and a audio Y cable (Dynex 3.5mm RCA) from my MacBook Pro to my Vizio TV and I can't get any sound through the TV; however, I do get a picture. Called Vizio and, of course, they say there are no audio settings that need to be changed on the TV. Reviewed other discussions about this topic and tried changing the Audio MIDI Setup, but I don't get the same options. Do I have the wrong cables?

alex94598 wrote:
I have a new retina mac with an hdmi port but I had the same problem with no audio.
I fixed it by going into system prefs -> sound -> output and selecting the TV as the output
Make sure your TV is connected when doing this
TV is not one of the options when I follow those directions. My only option is "Internal Speakers" and my Airport Express. I think those directions work for you because you have a later model Mac... but thank you for your help. :-)

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Mini DisplayPort to DVI-D Dual Cable/Adapter for mid-2010 iMac?

Hi . . .
Sorry to pester with a question that's been covered from various angles before, but I'm new to the Mac world. Am a musician in BC, Canada doing a project remotely with people in Ontario. Decided to ditch my PC-based recording rig and went with a 2010 iMac and Logic Pro X (hallelujah!) because the other people are using Logic Pro X. So . . . I'm just learning the ropes.
Anyway . . . I have a spare monitor I want to run in dual setup extended desktop, and I'm not 100% certain of the cable and/or adapter I'll need. I'm also not sure why the adapters are bigger and seem to contain more internal components, whereas the cables just look like a simple "Plug 1" connected to "Plug 2" cable in a variety of lengths (in the same way you'd have a XLR to 1/4" phono cable).
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http://www.everymac.com/systems/apple/imac/specs/imac-core-i3-3.06-21-inch-alumi num-mid-2010-specs.html
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http://reviews.cnet.com/lcd-monitors/acer-x223w-lcd-monitor/4507-3174_7-32627876 .html
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Suds . . .

You are overthinking this.
"DVI dual link support" is concerned about the resolution of the display, not the number of displays.   A dual-link adapter or cable basically has double the number of wires to carry extra data to support higher resolutions than a single-link cable. Of course, both the computer and the external display must also support the higher resolutions in order to take advantage of the capabilities of dual-link.
You want to use two displays ... your iMac's buit-in display + your Acer display as a second monitor (what you called "dual monitors"). You can do this, as I explained earlier.
Your Acer monitor's maxiumum resolution of 1680 x 1050 is not high enough to require a dual-link connection.
"In single-link mode, the maximum pixel clock frequency is 165 MHz that supports a maximum resolution of 2.75 megapixels (including blanking interval) at 60 Hz refresh. For practical purposes, this allows a maximum 16:9 screen resolution of 1920 × 1080 at 60 Hz (1915 × 1436 at a 4:3 ratio).
To support higher-resolution display devices, the DVI specification contains a provision for dual link. Dual-link DVI doubles the number of TMDS pairs, effectively doubling the video bandwidth. As a result, higher resolutions up to 2560 × 1600 are supported at 60 Hz [via dual-link DVI]."   (See Digital Visual Interface, Wikipedia)
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In extended desktop mode, you can set separate (independent) resolutions for your iMac display and your external Acer display, taking advantage of the maximum resolution of each.   (For example, that's why the MacBookPro example you cited works, it's because that model MacBook Pro can support higher resolutions on an external display than it's built-in LCD panel can.)

Can Adobe Premiere run on 2013 Mac Book Pro (thunderbolt port) and display on 2010 iMac (Mini DisplayPort) using TDM. TB cable Opt. F2 didn't work. Will a Mini Display cable work?

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Message was edited by: austinhab
Message was edited by: austinhab

@Lambstechie - Now that I read into it, if the signal is converted, it can pass over 1 cat6 cable. What I was referring to is a cheaper converter, where an HDMI channel is connected straight to a Cat5/6 channel. And since HDMI 1.3 can work 100% perfect on 16 channels (just no ethernet, audio return, etc.) it seems like 16 channels over two 8-channel Cat5e/6 cables seems fit.
Also, I did not specify this earlier, but the total HDMI (not Cat5e/6) running distance will be under 10 feet, probably around 6 feet. Now when you say the loss of signal strength will happen around 15 ft of HDMI, does that include the distance running Cat5e/6 (approx. 30 ft), or just the HDMI length (6 ft).
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Message was edited by: austinhab

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Many, like me, discovered the cabling on the back of the 24" LCD Cinema Display is no where near long enough to reach a Mac Pro positioned underneath the desk. Not to fear ... you can get Mini-DisplayPort cables from both DataPro and Dr. Bott. I picked up one of each and they both work beautifully: http://tinyurl.com/l8w93o, http://tinyurl.com/ktburz

Monoprice.com also offers the Mini-DisplayPort Male to Female extension cables in different lengths.

MBP 2009: Audio over Mini DisplayPort

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All we know about your MacBook Pro model is that you've identified it as a "2009 model MacBook Pro." Apple introduced audio-out via mini-displayport in the April 2010 MBP models, so if yours was bought before then, it didn't have that capability when it was new. To the best of my knowledge and belief, nothing that has happened or been released since then has changed that.
[This article|http://support.apple.com/kb/HT4241], updated in June 2010 (after the release of the latest mac Mini), lists the Mac models that supported audio via mini-Displayport at that time:
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I haven't heard of any update that has changed that list since then. If it were possible to enable audio output by means of a firmware update, I think Apple would have made that update available to all owners of mini-Displayport-equipped Macs, not just some of them.

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farazthambi wrote:
I have the MBP 5,5 and I am trying to connect it to my TV via the Mini-DisplayPort HDMI adpater.
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Mini Displayport/HDMI cable & Audio Y cable to Vizio. No sound!

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