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I have a 1920 x 1080 Coby tv/monitor with HDMI and VGA ports connected to a NVIDIA Geforce Gt 520 graphics card.

The monitor produces great image quality when connected through the same HDMI port to a bluray player.

Image quality when the computer is connected through the HDMI port is awful: colors are botched and most fonts are painful to read.

I've been toying with the settings of the graphics card and haven't figured out a way to better the image quality. Any suggestions?

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Does the tv/monitor support 1080i or 1080p? If it's the latter then you'd need a high speed HDMI cable. –  martineau Aug 31 '13 at 17:18
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