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  1. #1

    Member Since
    Jan 22, 2014
    Exclamation Mini-DVI to HDMI Doesn't Work With HDTV
    I bought a Mini-DVI to HDMI Adapter to connect my iMac (Early 2008) to my HDTV. I have tried all ways of connecting the cords (ie. Plug HDMI cable into adapter first, then into computer. etc.) but to no success. It displays a "No signal" screen on my TV and my iMac doesn't realize that anything changed, even when I click on "Detect Display's".

    Here is the products I have
    Model #: DOTHMNIDVI03
    Amazon Link: Mini DVI to HDMI Male / Female Cable Adapter, 5 inch White: Electronics

    Early 2008
    2.4GHz Intel Core 2 Duo
    2 GB 800MHz DDR2 SDRAM
    Everymac Link: iMac "Core 2 Duo" 2.4 20-Inch (Early 2008) Specs (Early 2008, MB323LL/A, iMac8,1, A1224, 2210) @
    Apple Support Link (Left one in chart): iMac "Core 2 Duo" 2.4 20-Inch (Early 2008) Specs (Early 2008, MB323LL/A, iMac8,1, A1224, 2210) @

    LG 32LH250H-UB
    LG Link:

    I am currently staying in a hotel so I only have there TV to test, I do not know if it is the TV's problem. My HDTV at home is a Samsung (Don't know the product #) but IDK if the TV is the problem or not.

    Thanks Mac Forums,

  2. #2

    bobtomay's Avatar
    Member Since
    Dec 22, 2006
    Texas, where else?
    15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '11 1.8 i7 4GB 10.10; 21" iMac '13 2.9 i5 8GB 10.10; 5s & 5c
    There is no way to tell where the fault lies without having a 2nd set of known working adapters/cables or trying it on a 2nd TV.

    In my experience, the most likely are:
    the adapter/cable you have is not fully plugged in
    the adapter is not functioning

    And the HDMI cable should be rated as a "high-speed" HDMI cable.
    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.

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