Normal
from your link to pnasonic PDPso it doesn't support 1280 x 720. And windows selects the max resolution that is supported by both displaysP.S. sorry, have overlooked that you have connected it over HDMI (assuming you have DVI-HDMI adapter) - in that case it should workHave you tried to configure your monitors as extended desktop? that way you will get independent settings for both monitors. Then you can try to set same resolution/refresh/color depth for both monitors. and after that you can try to switch to clone mode.
from your link to pnasonic PDP
so it doesn't support 1280 x 720. And windows selects the max resolution that is supported by both displays
P.S. sorry, have overlooked that you have connected it over HDMI (assuming you have DVI-HDMI adapter) - in that case it should work
Have you tried to configure your monitors as extended desktop? that way you will get independent settings for both monitors. Then you can try to set same resolution/refresh/color depth for both monitors. and after that you can try to switch to clone mode.