Why do I get interference when using my brand new VGA switch?

Jordan Dashel October 6, 2012
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I just bought a VGA switch, and am having a weird problem. On the back, there are two inputs (A and B) and an output. When there is only one input port being used (either one), it works great. But as soon as I put a cable in the other slot, I get a red fuzz/lines on the screen. Remove the cable, it works fine.

What’s wrong, is it faulty? What should I do?

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  1. dubsub.net
    October 8, 2012 at 12:40 am

    what are the brand/model of the monitors? who makes the switch?

  2. Martyn Jones
    October 7, 2012 at 6:30 pm

    Is there a place for power on the switch? I've seen them where they need 5v from a usb to power them

  3. Alex Perkins
    October 7, 2012 at 4:49 pm

    Sounds like theres something wrong with it, get a refund and a replacement.

  4. Dimal Chandrasiri
    October 7, 2012 at 1:04 pm

    I guess a fault with the manufacturer.. try to get a replacement.

  5. Harish Jonnalagadda
    October 6, 2012 at 9:38 am

    Yeah if it does not work, I would see if there is a way to get a refund

  6. ha14
    October 6, 2012 at 7:57 am

    perhaps it is because the resolution did you set it to the max recommended one.

  7. Adrian Rea
    October 6, 2012 at 7:38 am

    It does sound like it is faulty, I would seek a refund or a replacement. Depending which country you live in, there are laws to protect buyers. If you bought from a reputable seller, they should replace it but private ebayers may not be so kind.

    • Muhammad idrees
      October 7, 2012 at 4:37 am

      ok, I would see if there is a way to get a refund who to its with the best

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