Help! DVI Adaptor dims screen :(

  1. #1
    penguinpaul is offline Dedicated Member

    Help! DVI Adaptor dims screen :(

    I have a mobo with an onboard ATi X1200 (which is rubbish).
    It has a vga and a dvi port, and I have ATi Catalyst thing installed..
    I bought an adaptor for DVi to VGA, so I could have my monitor connected though VGA, and my projector connected with DVI using the adaptor. As soon as I plug in the adaptor, the screen dims, and is slightly blurred. This happens on both monitor and projector.
    The catalyst control center does not detect another monitor, so the projector is just mirroring the monitor. If i disconnect the projector, but with the adaptor still in, it un dimms, but is still blurry :/

    What can I do about this?? Any ideas??
    Thanks,
    Paul

  2. #2
    kevinzheng.101 is offline Elite Member
    Is it blurred on both screens? Try to connect the monitor to the DVI and adaptor and the projector directly.

  3. #3
    penguinpaul is offline Dedicated Member
    They are both dim, i cant make out if the projector is blurry as it is so dim. I tried connecting the projector via VGA, and the monitor though the adaptor, but the same thing.. :/

  4. #4
    Digerati is offline Super Moderator
    I would try another adapter before tearing about anything else. Since any splice or connection between two electrical points adds some resistance, the adapter could add too much, or if the cables are less than good to start, the adapter resistance may be the final straw.

  5. #5
    kevinzheng.101 is offline Elite Member
    Does one of the devices have a DVI port? If so, try an actual DVI cable.

  6. #6
    penguinpaul is offline Dedicated Member
    hmm, i dont think the resistance of the adaptor would affect the monitor connected directly into computer would you??
    unfortunately i dont have any DVI things, and while although my brother's monitor has DVI, I have no cable to use :/

  7. #7
    Digerati is offline Super Moderator
    hmm, i dont think the resistance of the adaptor would affect the monitor connected directly into computer would you??
    There is always signal loss due to resistance at any connection - even those made with the purist of materials, and the precision manufacturing.

    Those adapters probably cost $2 to make - how pure do you suppose the raw materials are? How precise the manufacturing process? And how thorough the quality control is.

    All too often lousy signal strength can be attributed to lousy quality or damaged cabling.

    The adapter should be fine - but so should everything else. It takes little to remove it from the equation.

  8. #8
    penguinpaul is offline Dedicated Member
    im kinda confused.. why would the quality of the adaptor affect the picture of the monitor connected to the other port on the mobo.. the mobo has a vga and a dvi, but when i do this, the vga gets dimmed..

  9. #9
    Digerati is offline Super Moderator
    why would the quality of the adaptor affect the picture of the monitor connected to the other port on the mobo..
    Exactly! Why would it? Certainly one that does not have broken, bent, crossed, or disconnected pins probably would not. But if something odd happened when I plugged a $2 adapter made in some 3rd world country child slave labor camp into my expensive to replace computer, I wouldn't plug it in again! At least not until I verified it was good by trying another one. They are easy find.

    There is no such thing as zero factory defects, or zero failure rates.

  10. #10
    penguinpaul is offline Dedicated Member
    urmm, i know what you mean, and I havent used the adaptor since, but why does the adaptor mess up the monitor which isnt even connected to the adaptor?
    is the adaptor messing up the graphics then??

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