Latest TVs and PCs provide a wide variety of video connectivity options. Ensure that the video port on your PC matches an available video port on your TV, like VGA, DVI or HDMI.
Connecting your PC with a TV
Connect the TV to the PC using a compatible cable.
Power on the TV.
Change the video input source on the TV to match the video source connection from the PC (HDMI, VGA (may also be mentioned as PC), DVI etc.)
Power on the PC.
If you encounter a problem when trying to connect your PC with a TV:
Power on the TV before powering on the PC.
Ensure the correct video input source is selected on the TV.
Coaxial or S-video cable connections do not support higher resolution, ensure to set the resolution to 800 x 600 or less.
Certain TVs may require you to adjust the screen aspect ratio for best possible scaling and resolution.
Certain TVs may require you to set the TV as the primary display. Change the video settings in Microsoft Windows and restart the PC.
Here are some more instructions from DELL: