IMac :: Unable To Activate Sound Output / Connected To HDTV?

Nov 4, 2010

I have an iMac 27 and I want to connect it to a HDTV samsung 46 full HD. I have conected from displayport to HDMI and i get the screen. But at the same time I have connected a 3,5 minijack from the computer to the RCA audio in of the TV but I dont get sound. I have checked the config of the TV and I dont find any place to activate it. Then, talking about the screen. I have few questions.

How can I stop the screen on the iMac and work only with the HDTV?

How can I config that the windows on the tv have bigger letters while they keep on the same way on the i Mac's screen?

The tv is kind of far away and is difficult to see the letters.

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IMac :: 27" IMac Output To HDTV ?

Dec 6, 2009

I just ordered the 27" iMac. Trying to figure out the best way to do output to TV. There 2 approaches I would suspect.... but since the 27" display signal is 2560x1440 (HDTV can only go up to 1080p).

I don't know of any adapter or TV that can support this resolution. Will the signal come in only partially displayed

1) Wireless

Atlonas - HDAIR wireless usb to HDMI/VGA with audio

http://www.engadget.com/2009/11/21/a...gains-audio-u/

pros+: one connection for audio and video, usb, easy setup, hdmi out, wireless
cons-: reported sucky framerates, max res is 1440x1220 (720p), not mac compatible (so will req bootcamp/vmfusion/parallels - windows).

2) Wired

Would need the following

mini displayport + toslink audio + usb to hdmi out
1) [url]

50ft hdmi cable
2) [url]

I heard 50feet is about the limit of HDMI for 1080p if you don't want to mess with amplifiers to correct signal lost.

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IMac (Intel) :: Input Sound Won't Output?

Sep 9, 2014

I can feed sounds into my iMac with line input but no sound comes out vis internal speakers. I can record the input sound using Amadeus and play through gives me sound output. When not using Amadeus although input is set to line in and output to internal speakers no sound comes out. There appears to be some internal disconnection between input and output.

Info:
iMac, OS X Mavericks (10.9), printer, scanner, ATVs, external hard drives, USB DAC

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Jun 10, 2012

I just got this new iMac that I got used and the sound on the computer does not seem to be working, I have tried doing what the computer tells me and going into System Preferences and selecting the sound option, but the sound seems to have been permanently disabled and shows that there are no output or input devices available, when clearly the monitor has speakers. whats more, is that the volume icon does not show up in the menu bar even when I select that I want it in the menu bar.

Info:
iMac

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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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Aug 23, 2010

I'm looking to output my mac pro to my HDTV (cheap mans video output monitor). I got a DVI to HDMI connector and all the females and males seem to agree to the point that its all connected up rather well. Only problem is that my mac pro only detects my computer monitor, not the TV that I've attached. Things to note:

* I normally run two monitors at 1920 x 1200. I just removed one and replaced with DVI > HDMI adapter going to TV.
* I can get the display to work in windows (although for some reason, although it outputs to the TV via HDMI the other screen stops working) so the connectors are working fine.
* I tried hooking up the monitor to the port, downgrade the res to something below 1080, then connected the TV again, no result!
* I couldn't get 1080 resolution on my screens as its not an option in the display preferences.
* Before anyone states the obvious (at this point even that would be helpful) I restarted every time I attached another display.
* I have searched google, apple support, and these forums and I feel im going insane.

To summarise, I haven't seen my mac on the TV yet. Its staring back at me with a blank black.

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Sep 13, 2014

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Info:
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Aug 10, 2008

I am looking for a solution for sending dv and hdtv quality video, ntsc, out of my macpro to an lcd monitor.

Basically, I want to be able to have a real time program output from my fcp timeline while I am editing.

Previously, I have been going firewire out to my camera, then using the camera as an a/d converter, going composite to an external monitor. I would like to bypass having to use the camera in this way.

It would be nice to find a PCI card (or whatever they're called) that has s-video and/or hdmi and/or dvi, so I can plug directly into the lcd. I just want to make sure, though, that I can select this output within fcp.

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Sep 26, 2009

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Dec 11, 2008

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Jul 20, 2010

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Dec 13, 2009

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Info:
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Aug 26, 2010

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Feb 4, 2012

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Info:
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Apr 26, 2009

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May 1, 2007

I'm using a DVI->HDMI cable to connect my Powerbook to my Sony LCD TV. The Sony's native resolution is 1366x768. For some reason my Powerbook doesn't want to switch to this resolution. I can get 1280x720, but this leaves a black border around the images the whole time.

I've tried setting a custom resolution using the trial version of SwitchResX but to no avail. It won't do it.
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Jun 6, 2010

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Mar 31, 2012

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Does this method sound good or best is to not to play from mac but from external hard in NTSC format.I am thinking of buying new panasonic 3d home theatre as it will be good for 13x15 ft area.

Info:macbook4,1, Mac OS X (10.5.8)

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Mar 4, 2010

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Jul 1, 2012

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Info:
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Apr 22, 2012

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Info:
MacBook Pro, Mac OS X (10.7.2)

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Aug 14, 2009

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could use both outputs at the same time? Internal speakers and the wireless USB ones?

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