I need help in fixing overscan to 2012 Panasonic plasma. Format modes on tv : Full, Just, H-Fill and Zoom
Can not access hd1 or hd2 size when in full mode ( grayed out ) same whether I use hdmi or dvi to hdmi adaptor to plasma.
With Nvidia GT520 under size underscan has no effect at all

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If I use re-size, resolution is reduced as you move sliders to get picture to fit
Checked menu settings in upper model Panasonic plasmas and nothing available to adjust overscan...
Is there a program to do this and not reduce picture quality or lose resolution?