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I have a new Powercolor HD 4670 pcie video card with dial DVI and s-video out.

If I connect the s-video output as the only display and power on the PC the display is black & white and scrolls. Obviously the card isn't outputting the correct signal.

Is the card defective, or is there a setting somewhere?

Could it be a PAL/NTSC issue? I'm confident that the TV can only accept NTSC inputs.

I should try to get the s-video output working with an LCD attached, but don't have one handy. I'll borrow one and test that.

I'm running a Gigabyte MA78GM-US2H mobo with a PHenom II 955 processor with Windows 7.

Thoughts? Thanks.

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2 Answers

up vote 1 down vote accepted

I emailed Powercolor and they told me about the PAL/NTSC jumper on the card. I haven't had to set a jumper in years so it hadn't occurred to me to even look and it doesn't appear to be mentioned in the manual.

There is a jumper on the op edge of the card that, for me at least, shipped in the PAL setting. The driver can override the setting which is why I had it working in windows. I moved the jumper over and it was clear immediately on boot.

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The exact same thing happens when I try to plug my SD TV into the TV-out of my laptop. I can't get it to work, though. It must be some TV format error that I don't have time to deal with.

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