In rare cases it may be possible that you are unable to display all of the resolutions stated in the user manual when you have connected a PC via PC-DVI to the TV-HDMI connection.
If this applies to your TV, please download the provided .pdf file and the driver .zip file you will find available on the right hand side of this page.
Unzip the .zip file, extract its contents onto your desktop and carefully follow the instructions provided in the .pdf document.