I tried playing with resolutions, connecting to HDTV and then starting laptop, switching between HDMI cable's ends - all to no avail. The option disappeared. There was another option but it made 1|2 multiple screens in my laptop's screen to appear and nothing on HDTV.
System Information:
DELL Latitude E6420
Intel HD Graphics with nVidia NVS 4200M
Windows 7 Enterprise