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  1. #1


    Member Since
    Jan 12, 2009
    Posts
    3
    Trouble connecting macbook to TV via composite video cable
    Hey

    I recently bought the Dynex minidvi to s-video+composite converter. I used the composite video cable to connect my macbook to my TV. All the dv displays are grey fuzzy areas and lines that move when the macbook is connected to the TV. I've done some reading, and gotten a few ideas on other forums about what could be the problem. I've heard that it could be that I am not using monster cables. Ive also have read that I must switch my refresh rate from 60hz to 50hz in refresh rate for TV Display. However I don't have access to that window, which could be because of my converter. Could someone please help me pinpoint the exact problem here, and help me come up with a solution?
    Thanks

  2. #2

    bobtomay's Avatar
    Member Since
    Dec 22, 2006
    Location
    Texas, where else?
    Posts
    26,485
    Specs:
    15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '14 1.8 i7 8GB 10.11; 21" iMac '13 2.9 i5 8GB 10.11; 6S
    Verify the yellow cable ends are plugged into the same yellow connection at both ends.

    Unplug them and plug them back in to make sure they are tight.

    Try a different composite connection on the TV to rule out the individual input.

    You definitely don't need to go spend the outrageous cash Monster gets at retail for their cables.

    Have you tried mirrored and non-mirrored modes?
    While in System Preferences - Displays, in mirrored mode, the window for both the desktop and the TV should show up on your MB monitor. You may have to move one to see the other.

    What is the make and model of the TV?

    Also,make sure you have the correct input set in the TV menu.
    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
    Jan 12, 2009
    Posts
    3
    everything is secure, and i havent connected any audio. And yes I've tried mirror and non mirror modes, I've tried moving all directions and its just disorted. Its like flipping to a channel that has no service on tv. My tv make is a sony projection tv, its not hd or lcd and does not support hdmi. Only way to connect macbook is to use composite video.

  4. #4

  5. #5

    bobtomay's Avatar
    Member Since
    Dec 22, 2006
    Location
    Texas, where else?
    Posts
    26,485
    Specs:
    15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '14 1.8 i7 8GB 10.11; 21" iMac '13 2.9 i5 8GB 10.11; 6S
    If the TV does not have another composite input you can try and you don't have an S-video cable to test that, next step is going to be either testing with a different adapter and/or testing on another TV.

    (Yeah, I know, makes it hard when you only have one of each item.)
    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.

  6. #6


    Member Since
    Jan 22, 2009
    Posts
    3
    I've got the same problem. What screen resolution should I be using. I see something on the back of my tv that says 60HZ, so that should help. Don't know which numbers to pick.

  7. #7


    Member Since
    Oct 02, 2008
    Posts
    25
    Specs:
    iMac 2.66 GHz Intel + eMac 1.25 GHz + Black Macbook coreduo 2 Ghz
    The problem is probably the Dynex adapter (which i regrettably just bought too). After unplugging the svideo cable from my previous setup (eMac to lcd tv via svideo) and plugging the adapter into my macbook (yes, it's a pre-2009), i realized that my macbook recognizes the screen but that no signal at all is being sent. I spent an hour or so researching this problem only to realize that most people who bought this adapter have either a faulty image or no image at all. You are better off with the Apple Mini DVI To Video Adapter.
    [SIGPIC]

  8. #8

    BenB's Avatar
    Member Since
    May 22, 2009
    Location
    Southeast Louisiana
    Posts
    144
    funkypoodle hit the nail on the head. Apple's adapter is best for a cheap solution. But you'll also have to set your resolution to be it's best on the TV, although the TV will never be as clear as your Mac's screen, period.
    Apple Certified Master Trainer
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  9. #9


    Member Since
    Oct 02, 2008
    Posts
    25
    Specs:
    iMac 2.66 GHz Intel + eMac 1.25 GHz + Black Macbook coreduo 2 Ghz
    I took back the Dynex & bought an Apple one & it works right away! All of a sudden i have the option to use 60HZ or 50HZ and screen resolutions that weren't showing with the Dynex one plugged in. On the other hand now that it is working, for some reason the 'best for video' option I usually use is grayed-out...Anybody have a fix for this?
    [SIGPIC]

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