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  1. #1


    Member Since
    Nov 24, 2008
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    2
    Connecting MacBook Pro to LCD HDTV
    I am connecting my MacBook Pro to my LCD HDTV. The video is OK but I can't make the sound to work.

    I have a MacBook Pro, bought on 2008 (the older model): Mac OS X V10.5.8, 2.4 GHz Intel Core 2 Duo. My TV is an HITACHI LCD 42" L42S503.

    For the video connection I am using a DVI to HDMI cable, and it works OK. For the audio I am connecting the Mac headphone jack to the RCA red and white plugs, but the TV is silent... I can see on the Mac sound preferences that it recognizes the audio connection.

    I'm not sure whether there is a solution to this problem, and whether I should try the RGB connection...

    Any advice will be highly appreciated!

    Avi

  2. #2

    bobtomay's Avatar
    Member Since
    Dec 22, 2006
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    Texas, where else?
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    Unfortunately, that Hitachi does not have any audio inputs that will work in conjunction with HDMI. With any DVI source, you will need to connect the audio to a separate audio receiver.

    No separate audio and want sound through the TV, you'll have to switch over to using VGA on that model. Pg 53 of the owners manual, you'll find a chart of the accepted resolutions via VGA.
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  3. #3


    Member Since
    Aug 31, 2010
    Posts
    2
    Macbook 2007 to TV
    Hi,

    I am having a problem attaching my Macbook to my TV. I have purchased a DVI - to VGA adaptor, and a VGA to VGA cable. I also have the cable for sound.

    The problem is that my computer recognizes the TV and allows me to turn on mirroring but the TV does not recognize the signal - I literally get the "No Signal" message when I choose the VGA input on the computer.

    Can someone please help?

    Thanks

  4. #4

    TomTomTuning's Avatar
    Member Since
    Sep 26, 2008
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    Camp Hill, Pa
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    497
    Specs:
    15in MBP - 27in iMac - iPhone
    Quote Originally Posted by shporer View Post
    I am connecting my MacBook Pro to my LCD HDTV. The video is OK but I can't make the sound to work.

    I have a MacBook Pro, bought on 2008 (the older model): Mac OS X V10.5.8, 2.4 GHz Intel Core 2 Duo. My TV is an HITACHI LCD 42" L42S503.

    For the video connection I am using a DVI to HDMI cable, and it works OK. For the audio I am connecting the Mac headphone jack to the RCA red and white plugs, but the TV is silent... I can see on the Mac sound preferences that it recognizes the audio connection.

    I'm not sure whether there is a solution to this problem, and whether I should try the RGB connection...

    Any advice will be highly appreciated!

    Avi
    You need to use a connection on the TV that allows you to use a separate audio source.
    Does your TV have a DVI or VGA connection?

    A good receiver will let you connect a HDMI w/ a separate audio signal, but then the sound would go out of the receiver .

    Quote Originally Posted by Zaza View Post
    Hi,

    I am having a problem attaching my Macbook to my TV. I have purchased a DVI - to VGA adaptor, and a VGA to VGA cable. I also have the cable for sound.

    The problem is that my computer recognizes the TV and allows me to turn on mirroring but the TV does not recognize the signal - I literally get the "No Signal" message when I choose the VGA input on the computer.

    Can someone please help?

    Thanks
    Try changing your resolutions around and see if that helps.

  5. #5


    Member Since
    Aug 31, 2010
    Posts
    2
    Help
    I've tried every possible combination of resolution with no effects. The TV still shows the "No Signal" message. It gives the same message when I take the VGA cable out of the back of the TV.

    It's like its a faulty cable, but if it was faulty then the computer wouldn't recognize the TV, right?

  6. #6

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
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    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, El Capitan
    Don't use the VGA input on the TV. You didn't mention brand of TV but you did say it was a HDTV. Try to use its DVI input or HDMI instead.

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