Is this TV listed as HD or FHD? If its just HD, the best you can do is 1280x720, if its FHD then you can go all the way up to 1080p. Note that with TVs if you use a non-standard res like 720p or 1080p it will look like you have eye cancer.
the native resolution of your TV, but TVs have very slow response times and the scaling, in windows 7 atleast is all over the place, everything appears blurred and pixelated. You should buy a monitor.
Is this TV listed as HD or FHD? If its just HD, the best you can do is 1280x720, if its FHD then you can go all the way up to 1080p. Note that with TVs if you use a non-standard res like 720p or 1080p it will look like you have eye cancer.